Hibon DisplacmentBlower Iom D898

Installation, Operation and Maintenance Manual

rev 01, 15/08/98

INSTALLATION, OPERATION AND MAINTENANCE

MANUAL

POSITIVE DISPLACEMENTBLOWERS

HIBON Inc.

1-800-862-23891-888-70-HIBON (704-4266)

Primary User

Hibon_DisplacmentBlower_iom_D898


Table of contents

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

OPERATING CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

TRANSPORT AND STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

HEALTH AND SAFETY - RECOMMENDATIONS - ROTATING MACHINERY . . . . . . . . . . . . . . 7

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

OPERATING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

APPENDIX '' A '' (ALIGNMENT AND TENSION OF TRANSMISSION BELTS) . . . . . . . . . . . . . . . .

APPENDIX " B " (ALIGNMENT OF COUPLINGS)

APPENDIX " C " (BLOWER CONCRETE SLAB & ANCHORING INSTRUCTIONS)

APPENDIX " D-01 " (HH 4200 / 4300 SERIES) LUBRICATION AND PART LIST

APPENDIX " D-02 " (HH 2000 SERIES) LUBRICATION AND PART LIST

APPENDIX " E " (XN TWO LOBE & THREE LOBE) LUBRICATION AND PART LIST

APPENDIX " F-01 " (SNH / V TWO AND THREE LOBE) LUBRICATION AND TWO LOBE PART LIST

APPENDIX " F-02 " (SNH / V THREE LOBE) PART LIST

APPENDIX " F-03 " (SNH / V 8 - 12 - 812 TWO & THREE LOBE) LUBRICATION AND PART LIST

APPENDIX " G-01 " (VTB 810 - 20 - 820 TWO & THREE LOBE) LUBRICATION AND THREE LOBE PART LIST

APPENDIX " G-02 " (SIAV, VTB, AIR INJECTION TWO & THREE LOBE) LUBRICATION AND PART LIST

APPENDIX " G-03 " (SIAV TWO & THREE LOBE) SPECIAL INSTRUCTIONS FOR INSTALLATION ON TRUCKS

APPENDIX " G-04 " SIAV MAINTENANCE FOR TRUCK

APPENDIX " H " GUARANTEES AND LIMIT OF LIABILITY

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GENERAL

Although HIBON blowers are sturdy precision-engineered machines which are quality controlled toprevent manufacturing defects, there are several relatively simple but basic installation and maintenance procedures that must be observed to ensure optimum performance. As there is no guesswork in the manufacture of these highly advanced units, there must be none in preparing themto get the job done in the field. It is the purpose of this manual to help you properly install, maintainand service your HIBON blower. Follow the instructions carefully and you will be rewarded with yearsof trouble-free operation. Some principles of correct installation and maintenance are identical or similar for all series of HIBON blowers. In such cases instructions for all models are treated compositely in various subsections.Some of the data is particular only to the specific series described in the cover of this manual. Hence,it is important that no section be overlooked when preparing to install your blower.The manual is prepared in sections covering: Operation, Installation, Maintenance, and Trouble shootingBefore delivery the blowers are subjected to a run test in our factory. The test record may be sent onrequest. The oil casings are drained after the test.The blowers are delivered WITHOUT OIL.Each blower is provided with a name plate showing the machine type and the serial number. Anyunauthorized modification of the machine or any failure to observe the installation or operation require-ments specified in this Instruction manual shall be the sole responsibility of the client and shall cancelany guarantee rights.

OPERATING CHARACTERISTICS

Read the appropriate working instructions BEFORE running the machine.The rotary lobe blower is a positive displacement type unit, whose volumetric capacity is determinedby the size of the unit, the operating speed, the differential pressure and the atmospheric conditions.It employs two bi-lobe or two tri-lobe impellers mounted on parallel shafts and rotating in oppositedirections within a cylinder closed at the ends by headplates. As the impellers rotate, air is drawn intoone side of the cylinder and forced out the opposite side against the existing pressure. Therefore, thepressure developed depends on the resistance of the discharge system.Effective sealing of the blower inlet area from the discharge area is accomplished by use of very smallinternal clearances. The resulting absence of contacts between moving parts eliminates the need forany internal lubrication. Clearances between the impellers during rotation are maintained by a pair ofaccurately machined timing gears mounted on the two shafts extended outside the air chamber.No attempt should ever be made to control capacity by means of a throttle valve in the intakeor discharge piping. This will not only increase the power load on the driver, but can also overloadand seriously damage the blower. Likewise, if a possibility exists that flow to the blower inlet maybe cut off during normal operation of a process, then an adequate vacuum relief valve or protectionswitch must be installed near the blower. A pressure type relief valve in the discharge line near theblower is also mandatory for protection against cut-off or blocking in this line.When a belt drive is employed, blower speed can usually be adjusted to obtain desired capacity bychanging the diameter of one or both sheaves. In a direct coupled arrangement, a variable speedmotor or transmission is required, or excess air may be blown off through a manually or controlledunloading valve and silencer. If returned to the blower inlet, air must go through a cooled by-passarrangement.

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Before making any changes in blower capacity, or operating conditions, contact the nearestHibon Sales Office for specific information applying to your particular blower. In all cases, operatingconditions must be maintained within the approved range or pressures, temperatures and speed. Also,the blower must not be used to handle air containing liquids or solids, since serious damage tothe rotating parts will result.

TRANSPORT AND STORAGE

Before packing and shipment of the machine, all external machined parts are coated with a rust pre-ventive film and the nozzles are closed with protective caps to avoid any introduction of foreign matteror water.

When receiving the machine, it must be checked for any damages due to transport. Before any handling, all contact surfaces must be protected with wood pieces and appropriate slings or cablesshould be used. All base plates have four lifting lugs. The blower, when alone, may be handled withslings under the side plates or under the cylinder (blower body) on both sides of the flanges. Neveruse the integral cast lugs of side plates and gear castings.The blower and accessories should be stored in a dry, heated and suitably protected place. The rustpreventive coating or oil shall be renewed or changed, if necessary.During storage, it is essential to prevent the machine from being subjected to vibration produced bythe operation of nearby machines and propagated via the bearing surfaces. Vibrations applied for longperiods could damage the machine and motor bearings.

For a long storage time : - Loosen any transmission belts

- Fill the castings with rust preventive oil up to sight glass, and rotate theshaft a few revolutions

- Spray rust preventive oil in the compression chamber

- Rotate the shaft three or four revolution every two weeks to avoid anydamaging of the bearing.

- It is also recommended to place a bag of silica gel or another groscopicsubstance inside the inlet opening and inside the outlet opening, imme-diately replace the respective covers.

At the end of the storage time, the compression chamber should be cleaned using a solvent (Alcohol,White Spirit). The casting must be drained.

Rust preventive oil :

a) External : * TECREX 39 (MOBIL OIL) b) Internal : * Mobilarma 523 or 524 (MOBIL OIL)parts * RUST BAN 324 (ESSO) parts * ESSO LUB MZ 20 W/20 (ESSO)

V-Product 9703 (SHELL) * Ensis Motor oil 20 (SH)* Nox-rust VC 110 or equivalent


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OPERATION

1. Two lobe blowers

The basic operation of a rotary two lobe type positive displacement blower is illustrated (Figure 1) asfollows :

In position 1Air flow enters from the right in the inlet sidetowards the left to the discharge side of theblower. With the lower impeller rotating clock-wise, (changing the rotation will change theflow direction) the blower is delivering a knownvolume (A) to the discharge, while space (B)between the upper impeller and cylinder wall isbeing filled.

In position 2Counterclockwise rotation of the top impellerthen traps equal volume (B), and further rota-tion delivers it to the discharge in Position 3.

In position 3At the same time, another similar volume isforming under the lower impeller, and will bedischarged when rotation reaches Position 1again.

One complete revolution of the driving shaftalternately traps four equal and known vol-umes of air (by each impeller) and pushesthem through to the discharge. The volumetriccapacity of a lobe blower operating at a con-stant speed therefore remains relatively inde-pendent of reasonable inlet or discharge pres-sure variations. The blower is used as an airblower, and may be used for handling air orgas in either pressure or vacuum applications.

Figure 1. N.B. All blowers are available with either side/side or top and bottom connection.

POSITION 1

POSITION 2

POSITION 3

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2. Three lobe blowers

The Hibon three lobe rotor blowers benefit from the latest technological developments which providesthem with several major advantages:• Better balanced and more resistant rotors for better withstanding of fatigue.• Progressive unloading channels reduce pulsation. Fundamental frequency is increased to six times

the revolution making noise attenuation easier.• Volumetric efficiency is increased.The basic operation of a rotary three lobe type position displacement blower with precompression passage is illustrated (Figure 2.) as follows:

In position 1Flow is top to bottom from blower inlet to dis-charge, the left impeller is mounted on the dri-ving shaft then rotates counterclockwise anddelivers a volume into the discharge pressureside. At the same time, space (B) between theimpeller and the cylinder wall is filling withanother and equal volume at inlet pressure. Itis about to be sealed off by the counterclock-wise rotation of this impeller. The space (C) isprogressively filled and compressed with dis-charge volume through the precompressionpassage.

In position 2The inlet area sealed in (B) and discharge pressure starts to enter space (A) through theprecompression passage as rotation continues.

In position 3Volume (C) is delivered to the discharge pres-sure side in the same manner as volume (A).Because of the almost complete pressureequalization through the precompression pas-sage, no sudden shock will occur.

In position 4The inlet area volume sealed in (C) and thedischarge pressurized volume entering space(B) start to enter through the precompressionpassage in (C). Volume (A) is delivered to thedischarge side and the volume in (B) will alsostart delivering with (A) as soon as the rotationreaches the outlet side.

Figure 2. N.B. All blowers are available witheither side/side or top and bottom connection.

POSITION 1 POSITION 2

POSITION 3 POSITION 4


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HEALTH AND SAFETY - RECOMMENDATIONS - ROTATING - MACHINERY

• The Health & Safety at Work Act requiresmanufacturers to fit guards on all exposedrotating shafts, glands, couplings and beltdrives, etc... It is incumbent upon the opera-tor to ensure that these are in position beforethe machine is operated.

• The noise levels emitted by rotary machinerymay vary depending on rotational speed,application, and environment, and on certaininstallations these noise levels can be suffi-ciently high to cause hearing damage ifexposure is prolonged. On such installations,correct hearing protection must always beworn if working in the immediate vicinity.

• Rotary equipment may cause severe injuriesif incorrect clothing is worn when mainte-nance work is attempted if machines are inoperation.

• Blower casing and associated piping andaccessories may become hot enough tocause major skin burns on contact.

DON’T Run the machine unless allGUARDS are in position

DO Wear suitable HEARING PROTECTIONwhen working in the vicinity of noisymachinery.

DO NOT Attempt maintenance work oradjustments unless wearing suitable PROTECTIVE CLOTHING.

Temperature

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• GENERAL

It is important that plant operators are madeaware of the responsibilities incumbent uponthem to take all necessary precautions to ensuretheir health and safety, and also that plant author-ities implement the procedures necessarytowards this end, i.e. by providing relevant pro-tective clothing and devices, and by bringing tothe attention of the operators the official safetyrecommendations.

• DON'T Attempt any maintenance work untilall electrical gear has been isolated.

Isolate all electrical supplies before removing anyguards, covers or accessories from any rotatingmachinery installation. Before re-connecting theelectrical supply ensure that all guards, coversand accessories are correctly replaced.

• DO Ensure that maintenance work onmachine handling TOXIC materials is carriedout in a well-ventilated atmosphere whentoxic fumes have been purged. Also observeall necessary FIRE precautions.

On installations involving toxic materials orvapors, operators should ensure that they arefamiliar with the regulations relating to contactwith these materials and vapors, and also the cor-rect procedures in case of fire.

• DO Ensure that all RELIEF VALVES and otherSAFETY DEVICES are kept operative and aretested regularly.

Rotating machinery installations in the RotaryCompressor, Liquid Ring Pump and Rotary Lobecategory should be equipped with standard safe-ty devices to prevent the units being operated out-side their design range. These safety devicestake the form of spring or weight loaded reliefvalves for pressure, spring loaded valve only forvacuum relief, high pressure, high vacuum andhigh temperature switches, low water flow andlow oil level switches etc... and normal installa-tions can include individual or multiple combina-tions of any or all of them.

These would normally be supplied pre-set frommultiple combinations of any or all of them. Theywould normally be supplied pre-set from the fac-tory, or they would be finally set, on site, duringcommissioning.

Unauthorized adjustment of any of these safetydevices can lead to a potentially dangerous oper-ating condition.

• DO NOT LEAVE ELECTRICAL GEAR LIVEAND UNATTENDED WITHOUT A SUITABLEWARNING NOTICE.

Distinctive warning notices must be provided forposting in a conspicuous position to any piece ofelectrical equipment or machinery on which main-tenance is being carried out, and which, for anyreason whatsoever, is liable to be left unattendedwhile in a live condition.

• OTHERS

Stay clear of open inlet piping of pressure blowersand the open discharge blast from a vacuumblower.Place a strong coarse screen over on an openinlet piping.Do not use an air blower on explosive or hazardous gases, unless the system is designedfor the application.


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INSTALLATION

EQUIPMENT CHECK

Before uncrating, check the packing slip carefully to assure receipt of all parts. Small, but importantaccessories - relief valves, for instance - can easily be lost. Note that all accessories are listed as sep-arate items on the packing slip. After confirming all items that are shown on the packing slip are includ-ed, uncrate carefully. Register a claim with the carrier for lost or damaged equipment immediately.

PROTECTION AND CLEANING

The internal surfaces of all HIBON units are mist sprayed with a rust preventive to protect the machineduring the shipping and installation period. This lubricant does not have to be removed upon initialstart-up. It may be removed with a safety solvent for special application: pour the solvent slowly intothe inlet side of the machine while running until the unit is visually clean.

The shaft extension is protected with special paint which can be removed with any standard solvent.

Blower inlets and outlets are temporarily capped to keep out dirt and other contaminants during ship-ping. These caps must be removed before start-up.

LOCATION

If possible, install the blower in a light, clean, dry place with plenty of room for inspection and mainte-nance. Units mounted on steel and other structural materials should be set as close as possible tosupporting beams or walls. For an outdoor location please consult the factory for recommendations.

FOUNDATION

The concrete foundation should be solid, levelled and as smooth as possible, and at least 1.5 timesthe weight of the equipment. The foundation should be raised 150 mm (6'') for cleaning purposes. SeeAPPENDIX C for type of foundations and installation.

LEVELING AND ALIGNMENT

Blower equipment with a thrust or locking bearing assembly will function without exact leveling. Bycontrolling the lateral position of the impellers in relation to the headplates, the main purpose of thethrust assembly is to counter thrust not normally found in standard applications. This feature preventsthe impellers from floating against the headplates.However, normal precautions should be taken to prevent strain or case warpage.Blowers shipped with a mounted drive must be checked for alignment before start-up. Severe mis-handling during transportation can cause misalignment.

ANCHORING

The package can be properly anchored to the concrete base or mounted on a set of antivibration pads.

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ROTATION

Rotation of the motor must be checked before installing the blower drive.Blowers are built for reversible operation unless a rotational arrow is located above the drive shaft. Ifan arrow appears, the unit is timed for rotation indicated and cannot be reversed unless the unit isretimed (See retiming instruction).

DRIVE

V-Belt : Faces of belt sheaves must be in alignment. Sheaves should be mounted on the blower shaftas close as possible to the drive cover. Mount the driver on slide rails to permit proper belt installationand take-up (SEE APPENDIX A). Check rotation of the motor before installing drive.

Direct coupling : If the blower is to be directly connected in the field, follow the coupling manufactur-er's specifications for alignment and location. (SEE APPENDIX B).

ACCESSORIES

Check valve : A check valve is absolutely required when operating more than one machine on a common header toprevent back flow and gas flowing back to the inlet of the machine not in service. It might also createa contra rotation of the machine which will eventually damage the unit.

- To be installed on the discharge side when the blower is in pressure operation.- To be installed on the suction or discharge side for vacuum operation.

Relief valve : Absolutely required.- For pressure operation : mount the valve on the discharge side before the isolating valve.- For Vacuum operation : mount the valve on the suction side before the check valve.- The relief valve is delivered pre-set. Valve setting should be adjusted when starting machine opera-

tion. The relief valve, as a safety device, shall be periodically checked for correct function.

Silencer : It is recommended to install a suction and a discharge silencer. The silencers should be mounted asclose as possible to the blower.

Filter : When atmospheric air is sucked in, filters should be mounted before the blowers. For all other cases we recommend to use a suction filter.

Instrument tapping points : Since the blower is delivered without nozzles, the required tappings will have to be provided on thesuction and discharge lines by the customer.

Flexible connectors : Flexible connectors prevent distortion from the piping and any vibrations due to sound transmission.In general they should not be fitted directly to the machine flanges but after the silencers. In no caseshould they be used to compensate any excessive or insufficient lengths of the pipings.

NOTE : All accessories mounted before or after should be periodically checked for internal conditions,damage and oxidation to prevent any carry-over in the conveying system.


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STAR-DELTA STARTING

The torque required to accelerate the rotating parts of any Rotary Positive Blower is quite small.Blowers can be successfully started, even with the reduced torque in the Star circuit that is a charac-teristic of Star-Delta starting, providing the unit is started against zero line pressure.

If however the unit is required to start against an already pressurized line, there will be insufficienttorque available in the Star circuit to accelerate the rotating parts up to full speed and at the same timeovercome the resistance imposed by the line pressure, and the motor will trip-out.

PIPING

Inlet and discharge connections on all blowers are large enough to handle maximum volume with min-imum friction loss. The diameter of the air transmission lines should be equal to or larger than con-nection points to minimize noise and air-friction losses. Air velocities should normally not exceed 5,000feet per minute. (1525m/mn). Excessive weight of piping and fittings can cause internal misalignmentand premature wear. Never allow the blower to carry the weight of the pipe. To prevent distortion, aspool or sleeve-type expansion joint should be installed between the unit and the piping. Before con-necting piping, remove any remaining anti-rust compound from blower connections. Piping must beclean. In addition, make sure it is free of dirt, scale, cuttings, weld beads, or foreign materials of anykind.

To further guard against damage to the blower, especially when an inlet filter is not used, install a sub-stantial screen of 16 mesh backed with hardware cloth at or near the inlet connections. Makeprovisions to clean this screen of collected debris after a few hours operation. It should be removedwhen its usefulness has ended, as the wire will eventually deteriorate and small pieces going into theblower may cause serious damage.

VENTILATION

Customers must assure that the blower room is properly ventilated as a large amount of heat is gen-erated from the motor and the compression heat.

OTHERS

The above covers most of the usual equipments and accessories with standard blower installations.Other accessories, protection devices etc. are treated separately.


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MAINTENANCE

LUBRICATIONOil changes:For temperature below 65°F, run the blower for 15 minutes to warm up to oil.On every oil change, clean the drain and filling plugs and renew their sealing by means of TEFLON orpipe sealant. (Loctite PST 56747 or equivalent)Clean the sight glasses and check oil level periodically.First oil change should be conducted after 200 hours of operation. The following oil changes shouldbe done as per the instruction in the appendix. Oil level is correct when it reaches the middle of thesight glass. Oil level can only be checked when the machine is stopped. FOR LUBRICATION METHOD AND QUANTITY OF APPROPRIATED LUBRICANT, PLEASEREFER TO APPENDIX (D) ATTACHED.For low and high temperature applications SYNTHETIC OIL should be used. It is also recommendedfor lighter ranges of applications. Mineral oil can be used for medium range of operating temperature(consult chart). The use of synthetic oil can reduce oil change frequency by 2 to 3 time .

SUNEP EP 220 SYNSPEC EP 220 OUTLET SIDE TYPE OF OIL

(MINERAL) (SYNTHETIC) TEMPERATURE

Viscosity

cst 40°C / 140°F 220 220

cst 100°C / 212°F 18.7 23

Minimum Viscosity 95 125

-40°F / +32°F

-40°C / 0°C

+32°F / +150°F Synthetic or

0°C / +65°C EP mineral

-50°F / +325°F

-45°C /+163°C

MANUFACTURER

ESSO

SUNOCO

MANUFACTURER

MOBIL OIL

CHEVRON

ESSO

SUNOCO

Grease must be anti-rust.WARNING: Units are shipped without lubricating oil. Do not operate before lubricating.

Check lubricant's compatibility with your dealer before adding.

AVIATION GREASE 322

ULTRA PRESTIGE EP NLGI 2

MOBIL TEMP SHC 100

ULTI-PLEX SYNTHETIC GREASE EP NLGI 1.5 SRI NLGI 2

Oil must be EXTREME PRESSURE (EP), non-detergent, anti-foam, and anti-rust.

GREASE LUBRICATION (IF APPLICABLE)

SYNTHETIC GREASE NLGI STANDARD GREASE NLGI

SPARTAN SYNTHETIC EP 220 SPARTAN EP 220

SYNSPEC EP 220 SUNEP EP 220

Synthetic EP

Synthetic oil EP/ISO 220 (preferable) Minéral oil EP/ISO 220(not recommended)

Flash point 219°C / 425°F 225°C / 437°F

Synthetic EP

LUBRICATION RECOMMENDATIONSOIL LUBRICATION

Pouring point -12°C / 10°F -37°C / -35°F

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CHECK LIST

❏ Check if equipment delivered corresponds to Hibon scope of supply.

❏ Check general installation of blower package (leveling)

❏ Check if the base is properly anchored

❏ Check if the blower was stored properly (if applicable)

❏ Check if the piping is proper and completed

❏ Check for adequate pipe support

❏ Check if isolation valves are open (if applicable)

❏ Open all valves at the inlet and outlet

❏ Make sure check valves are properly installed and functioning

❏ Check pressure gauge isolating valve

❏ Manually test relief valve (pressure weighted type only)

❏ Make sure the piping on inlet and discharge are clean and free from foreign material (Check inlet screen if applicable)

❏ Make sure there is an inlet filter and check condition

❏ Check filter restriction gauge operation

❏ Check oil levels and (grease if applicable)

❏ Check sheaves alignment and v-belt tension (or coupling alignment)

❏ Measure blower and motor sheaves and compare with design conditions

❏ Turn blower shaft by hand and other safety devices to ensure there is no friction

❏ Make sure all overloads and other safety devices into MCC are operational

❏ Make sure all trades working on the blower system authorize blower start up

❏ Start motor for a few seconds to determine direction of rotation. Ensure motor and blower stop normally

❏ Start the motor and allow the blower to attain full speed

❏ If the system is not in normal operating mode, use valves on the piping to simulate these conditions

❏ Allow the machine to run for 10 minutes or more before taking any measurements

❏ Completely open valves in the piping before stopping the blower

OPERATING


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TROUBLE SHOOTING

TROUBLE SHOOTING

No matter how well the equipment is designed and manufactured, there may be times when servicingwill be required due to normal wear, the need for readjustment, or various external causes. Wheneverequipment needs attention, the operator or repairman should be able to locate the cause and correctthe trouble quickly. The following Trouble Shooting Chart will assist the operator in these respects.Experience has shown that the most common causes of faulty operation on blower installation areclogged inlet filters, and inaccurate or broken pressure gauges, lack and/or excess of oil and grease.Clogged inlet filters impose a restriction on the suction side of the machine which reduces the air flow,cause overheating of the unit and lost of pressure in the discharge piping. Continued running underthese conditions will lead to excise rotor expansion and will ultimately result in total seizure of the unit.The rate at which a filter element will clog depends entirely upon the environmental conditions underwhich it is required to operate, and the allowable interval between cleaning can only be establishedfrom observation on site. It is essential therefore that during the first weeks of operation the cleaninginterval for filter elements should be established and then strictly adhered to .

PROBLEM POSSIBLE CAUSES SOLUTION

Machine does Electrical Check electrical supply and protection.not start Rotors rub or damaged Restore clearance.

Casing distorted Check piping stresses exerted on casing on the machine. Check leveling of blower.

Foreign material Remove foreign material inside the machine.

No air flow Speed too low Check speed and compare with data sheet.Wrong rotation Compare actual rotation with required direction.

Change driver if wrong.Obstruction in piping Check piping, valves, silencer, to assure an open

flow path.By pass open Close by pass.

Low capacity Speed too low Check drive selection and belt slippage, thenreadjust tension.

Excessive pressure rise Check inlet vacuum and discharge pressure, and compare these figure with predicted operating conditions.

Obstruction in piping Check piping, valves, silencer, to assure an open flow path.

Excessive slip Check inside of casing for worn or eroded surfaces causing excessive clearances and re-establish properly.

Excessive power Speed too high Check speed and compare with rating.Pressure too high Check inlet vacuum and discharge pressure, and

compare these figure with predicted operating conditions.

Impellers rubbing Inspect outside of cylinder and headplates for high temperature areas, then check for impeller contacts at these points.

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PROBLEM POSSIBLE CAUSES SOLUTION

Excessive blower Filter Clogged Clean or replace filter.temperature Too much oil in gear case Reduce oil level. See filling Procedure.

or drive cover.Too low operating speed Increase blower speed.Clogged filter or silencer Remove cause of obstruction.Excessive pressure differential Reduce pressure differential across the blower

and accessories (silencers). Worn impeller clearances Restore clearances.

Overheating of bearings Inadequate lubrication Check type and viscosity of oil , and greaseor gears in drive end bearings (when applicable).

Excessive lubrication Check oil level. If incorrect, drain and refill with clean oil of recommended grade. Make sure grease is not excessive.

Excessive pressure rise Check inlet vacuum and discharge pressure, and compare these figure with predicted operating conditions.

Coupling misalignment Check carefully. Realign if questionable.Excessive belt tension Readjust for correct tension.

Impeller end or tip drag Insufficient assembled clearances Correct clearancesCase or frame distortion Check mounting and pipe strainExcessive operating pressure Remove causeExcessive operating temperature Remove cause

Knocking Unit out of time. RetimeDistortion due to improper Check mounting alignment and relieve mounting or pipe strains. pipe trains.Excessive pressure differential or Reduce to manufacturer's recommended discharge temperature too high pressure. Examine relief valve, re-set if

necessary.Worn gears Replace timing gears See Section IIIWorn bearings New bearings.Worn bearing fit Check bearing fit in headplate.

Vibration Misalignment Readjust for correct tension.Impellers rubbing Inspect outside of cylinder and headplates for

high temperature areas, then check for impeller contacts at these points.

Worn bearings / gears Check gear backlash and condition of bearings, and replace as indicated.

Structural Correct and make proper leveling.Unbalanced or rubbing Scale or process material may build up on impellers casing and impellers, or inside impellers.

Remove build-up to restore originalclearances and impeller balance.

Loss of oil Headplate, gear case or drive Clean vents and replace gasketcover vents plugged.Worn seal. Replace seals.

Abnormal noise Rotors rub Restore ClearanceGear back lash Replace gearsDamaged bearing Replace bearings


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APPENDIX '' A ''

ALIGNMENT AND TENSION OF TRANSMISSION BELTS

The alignment of the sheaves and the correct tension of the belts enable the useful life of the bearingsand the belts themselves to be utilized to the maximum. Misalignment causes asymmetric wear of thebelt and does not allow the belts of a set to be uniformly loaded. Generally, it is not worthwhile carry-ing out regular checks on the alignment as this does not change during operation.

On the other hand, alignment must always be carried out when belts are tensioned and whenever theyare adjusted.

The external faces of the B sheaves must be on the same vertical plane when aligning and this is car-ried out by placing a straight edge as shown in Fig. A1. The face of the machine sheaves is taken asa reference and the straight edge is placed on it, checking contact at points C and D. The motor isthen moved, keeping the 4 fixing screws only slightly loosened and adjusting screws 1,2,3 and 4 untilcontact at points A and B is also made.

Any axial movements can be made by means of small knocks with a lead or rubber mallet, if the motorsize allows so, or by means of screws provided for this purpose.

A practical way of streamlining these operations is as follows :

• carry out a rapid and approximate alignment with the belts loosen ;

• make a preliminary and approximate tensioning of the belts taking care, however, to turn the tensioning screws equally ;

• complete alignment with the necessary precision ;

• complete belt tensioning to the final value, always taking care to ensure that the screws are rotated by the same mount (as, in the final phase, parts of a revolution can be required, it is advisable to mark the head) ;

• before fully tightening the motor adjusting screws, check the alignment once more which, given the method followed, may require just a small final correction by an axial shift of the motor.

rev 01, 15/08/98Page 2


APPENDIX '' A ''

Shims are only rarely needed under the motor feet to correct alignment on the horizontal plane of theaxes of the motor and machine.

Excessive belt tension may result in an unnecessary increase in the load on the bearings and thebending moment on the shaft. In extreme cases, in can even cause the shaft to break due to fatigue.Inadequate tension on the belts causes them to slip, overheat and wear prematurely. In extremecases, overheating can cause irreversible damage to the sheaves as well. In view of the range of beltson the market and their different characteristics, it is a good idea to have specific data so that belt ten-sion can be set correctly.

Tensioning V-Belt drives

Without exception, the most important factor in the successful operation of a V-Belt drive is proper belt-tensioning. To achieve the long, trouble-free service associated with V-Belt drives, belt tension mustbe sufficient to overcome slipping under maximum peak load. This could be either at start or duringwork cycle. The amount of peak load will vary depending upon the character of the driven machine ordrive system. To increase total tension, merely increase the center distance. Before attempting to ten-sion any drive it is imperative that the sheaves be properly installed and aligned. If a V-Belt slips, it istoo loose. Add to the tension by increasing the center distance. Never apply belt dressing as this willdamage the belt and cause early failure.

Fig. A.1


rev 01, 15/08/98Page 3

APPENDIX '' A ''

a) General Method

Step 1: Reduce the center distance so that the belts may be placed over the sheaves and in thegrooves without forcing them over the sides of the grooves. Arrange the belts so thatboth the top and bottom spans have about the same sag. Apply tension tothe belts byincreasing the center distance until the belts are snug. See below Fig. A.2

Step 2: Operate the drive a few minutes to seat the belts in the sheaf grooves. Observe theoperation of the drive under its highest load condition (usually starting). A slight bow-ing of the loose side of the drive indicates proper tension. If the slack side remains tautduring the peak load, the drive is too tight. Excessive bowing or slippage indicates insuf-ficent tension. If the belts squeal as the motor comes on or at some subsequent peakload, they are not tight enough to deliver the torque demanded by the drive machine.The drive should be stopped and the belts tightened.

Step 3: Check the tension on a new drive frequently during the first day by observing the slooseside span. After a few days of operation the belts will seat themselves in the sheavesgrooves and it may become necessary to readjust so that the drive again shows a slightbow in the loose side.

b) Force Deflection

This method should be used only for tensioning drives on which the grade of belt, rated belt capacity,service factor, design horsepower, etc. are known (if the drive has been designed in strict accordancewhith the procedures, instructions and horse-power ratings).

Fig. A.2

rev 01, 15/08/98Page 4


Step 1: Install belts as per Step 1 of General Method above. Measure span length (t) in inchesas shown in Figure A.3 or calculate using formula.

Step 2: From Figure A.3 the deflection height (h) is always 1/64" per inch of span lenght (t). Forexample, a 32" span length would require a deflection of 32/64" or 1/2".

Step 3: Determine the minimum, maximum, and initial recommended pounds force using table1 or calculate based on the required Static Strand Tension (Ts). Note: the initial recom-mended force is used only for installing new belts which have not seated themselves intothe sheaves grooves and where initial belts stretch has not taken place.

Step 4: Using a spring scale tensionner, apply a perpendicular force to any ONE of the belts atthe mid point of the span as shown in figure A.2. Compare this deflection force with thevalues found in step 3.

a. If the deflection force is below the minimum, the belts are too loose andthe tension should be increased by increasing the centre distance.

b. If the deflection force is higher than the maximum, the belts are too tightand the tension should be decreased.

When new V-Belts are installed on a drive the INITIAL tension will drop rapidly during the first fewhours. Check tension frequently during the first 24 hours of operation. Subsequent retension shouldfall between the minimum and maximum force.

To determine the deflection distance from normal position, use astraightedge or stretch a cord from sheave to sheave to usse as a refer-ence line. On multiple-belt drives an adjacent undeflected belt can buused as a reference.

Minimum deflection force values shown in table 1 are based on assumedaverage static tensions for drives having multiple belts or on V-band, thiseliminationg calculations. (For drives using only one belt or one V-band,the deflection force must be determined by use of engineering formulas).

Find the minimum recommended deflection force for the belt section andtype based upon the small sheaves diameter, speed and drive ratio. Forintermediate sheaves diameters and/or drive ratio combinations the min-imum deflection force may be interpolated.

APPENDIX '' A ''

Fig. A.3


rev 01, 15/08/98Page 5

APPENDIX '' A ''

Recommended Minimum Force Per Belt

Table 1

1200-36001200-36001200-36001200-36001200-3600900-1800900-1800900-1800700-1200900-1800900-1800700-1500700-1200400-10001200-36001200-36001200-36001200-36001200-36001200-36001200-36001200-36001200-36001200-3600900-1800900-1800

2.653.654.755.606.907.109.0014.0021.2012.5014.0017.0021.2024.802.202.503.004.125.306.904.405.206.307.109.0014.00

2.02.83.84.24.68.510.012.014.018212428312.22.63.13.94.65.06.58.09.5101214

2.43.64.24.65.09.511.013.015.021232630322.52.93.54.34.95.47.59.010111315

2.63.84.44.85.21012141623242832342.73.13.74.55.15.68.09.511121416

34.24.85.45.61113151725283034363.03.64.25.15.76.29.01012131517

3 V

5 V

8V

3VX

5VX

ULTRA-V

ULTRA-VCOG

BELT SELECTION SMALL SHEAVE DRIVE RATIO

SPEED RANGE DIA. 1.0 1.5 2.0 4.0 AND OVER

Always install a complete new set

When one or two belts in a set become worn or damaged, there is a big temptation to replace only theuseless belts. The trouble is that the remaining belts have been stretched, through use, beyond theiroriginal length. The newer, shorter belts will carry most of the load. A severe shock or load strain willeasily break these new belts. For this reason, it is always better to install a new matched set ratherthan replace V belts one at a time. Used belts from a given drive can be put on a drive requiring asmaller set.

➣

rev 01, 15/08/98Page 1


APPENDIX '' B ''

COUPLING ALIGNMENT

The correct alignment of the coupling allows the machine to operate at minimum vibration levels andprolongs the bearings life.

Alignment is carried out as follows:

• Place the axes of the two shafts coupled on the same vertical plane or on two par-allel vertical planes, with a specified distance between them;

• Place the axes of the two shafts coupled on the same horizontal plane or on twoparallel horizontal planes, with a specified distance between them;

• Keep a specified distance between the ends of the two coupled shafts or betterbetween the two faces of the half couplings.

Radial mis-alignment and angular mis-alignment are shown in fig. B.1 . These can be present at thesame time.

Due to thermal expansion and other causes such as the lubricating oil film in the plain bearings, radi-al thrusts by the gears etc., the position of the two shafts coupled with the machine in normal opera-tion can be very different from their position when the machine is off and cold. Therefore when align-ing cold, radial mis-alignment values, can be calculated so as to obtain perfect alignment when themachine is running in normal operation.

Fig. B.1

1. RADIALMISALIGNMENT

2. ANGULARMISALIGNMENT


rev 01, 15/08/98Page 2

APPENDIX '' B ''

If no specific instructions are given, the shafts must be aligned cold so as to obtain the minimum pos-sible value of radial and angular mis-aligment. The distance between the faces of the half couplingscan be taken from the drawing.

Maximum admissible mis-alignment when hot can vary depending on the type of coupling; however, ifno specific instructions are given, the following tolerances must be used:

- distance between the half coupling faces: 0.10 mm (.0035")- radial mis-alignment (T.I.R.): 0.10 mm (.0035")- angular mis-alignment: 0.50°

The distance between the half coupling faces where there is a spacer can be measured by means ofa caliper or an internal micrometer or otherwise by a thickness gauge.

Radial misalignment can be checked by means of a setsquare or a straight bar wich is sufficiently rigid and long,but it is preferable to use a gauge fitted as shown in fig.B.3(A). The T.I.R. reading (Total Indicator Reading) givenby the gauge for a 180° rotation represents double the actu-al misalignment. With reference to fig. B.1, half of the read-ing for a 108° rotation from 0° to 180° rotation from 90° to270° provides the distance between the two vertical planeson wich the shaft axes are placed.

Angular misalignment can be checked by a calliper, internalmicrometer or a thickness gauge, but it is preferable to usea gauge fitted as shown in fig. B.3 (B). The ratio betweenthe T.I.R. reading (Total Indicator Reading) provide by thegauge for a 180° rotation and the diameter of the circledescribed by the rotoation of the tracer point axis repre-sents the tangent of the misalignment angle.

With reference to fig. B.2, from the reading for a 180° rotation from 0° to 180°, the angular mis-alignment is determinated by the height of the couplings. From the reading for a 180° rotation from90° to 270°, the angular mis-alignment is determined by the transversal position of the couplings.

Machines and / or motors are moved laterally by means of appropriate adjustment screws provided. Alead mallet may be needed for smaller machines without adjustment screws.

Fig. B.2

rev 01, 15/08/98Page 3


APPENDIX '' B ''

Machines and/or motors are moved vertically by using shims placed under the feet as required. Whenadjusting the height of machines and/or motors with shims, the following precautions are recommend-ed :

• ensure that the feet, their bearing surfaces and every individual shim used are as clean as possible ;

• ensure that all the anchoring screws have been tightened before taking readings ;

• ensure that all the feet are completely in contact with the shims and that the tightening of the anchoring screws does not produce any deformation to the base-plate and/or the machine of motor.

A good practical method for alignment is as follows :

1. Study the machine, the height and position of which needs to be considered fixed with regardto the base-plate.

2. Check that its anchoring screws are centered in the holes, i.e. that it is possible to moveit in all directions.

3. Completely tighten the anchoring screws.

4. Check that the height of the shaft is greater than or equal to the minimum required, cor-recting with shims if necessary.

5. Place a gauge with a magnetic base-plate on the base-plate and a tracer point on themachine feet close to one of the anchoring screws and set it to zero.

6. Loosen the anchoring screws and check that the gauge does not indicate movements ofmore than 0.005 mm [.001''] (a movement greater than the given value requires the inser-tion of corrective shims).

7. Repeat the operation for all the anchoring points to the base-plate.

8. Loosen the anchoring screws of the other machine.

9. Measure the distance between the faces of the half couplings and move the machine in anaxial direction until the prescribed value is reached.

10. Tighten the adjusting screws.


rev 01, 15/08/98Page 4

APPENDIX '' B ''

11. While rotating the two half couplings at the same time measure the radial mis-alignmentand:

- move the machine transversally until the prescribed value is obtained (T.I.R. 90° - 270°);

- shim all the machine feet until the prescribed value is obtained (T.I.R. 0° - 180°);

12. While rotating the two half couplings at the same time measure the angular mis-alignment and:

- move the machine transversally until the prescribed value is obtained (T.I.R. 90° - 270°);

- shim two of the feet of the machine until it comes within the prescribed tolerance (T.I.R. 0° - 180°).

Operations 11 and 12 affect each other reciprocally and therefore must be repeated alternatelyuntil the correct result is obtained.

13. Repeat on this machine the operations described in items 5,6 and 7.

Fig. B.3

rev 01, 15/08/98Page 1


APPENDIX '' C ''

BLOWER CONCRETE SLAB & ANCHORING INSTRUCTION

A foundation design is very important to insure the proper installation and life of the HIBON equipment.The size of machine and package generally dictate the foundation required.

- CONCRETE SLABWhen possible pour directly on the ground with a raised portion approximately 150 mm (6") high and,at least 150 mm (6") exceeding the overall base dimensions, the surface should be leveled and smoothto mount the package directly.

- INSTALLATION ON FOUNDATIONS (CONCRETE SLAB) FOR SMALL MACHINES (Up to 60 hp)The concrete foundation shall be solid, leveled and as smooth as possible.Before setting the machine on the foundation, the parts in contact with concrete must be cleaned ofany oil or grease traces.When installing the blower (base) on the concrete foundation, insert shims between the foundation andthe base plate if required to accommodate any uneven surface of concrete.

NEVER INSERT SHIMS BETWEEN THE BLOWER AND BASE PLATE TO CORRECT ANY LEV-ELING DEFECTS.

Max. horizontal deviation is 0.2 mm/m (.010"/ft).Drill a hole in the concrete foundation from the size of Hilti anchor bolts selected, insert Hilti in place,then tighten the anchor bolts firmly. The same procedure is to be followed when the blower base ismounted with elastic supports. See fig. C.1 and C.2 .1. Insert the elastic pads under the base plate and bolt to the base plate.2. Drill holes in the concrete.3. Hilti (anchor bolts) to be tightened firmly.4. Isolation.

Fig. C.1

Fig. C.2


rev 01, 15/08/98Page 2

APPENDIX '' C ''

- INSTALLATION ON AN ISOLATED CONCRETE FOUNDATION(Generally recommended for medium (25 HP to 125 HP) and large (150 HP and up) size machines). This type of foundation isolates the machine from the rest of the foundation and reduces vibration transmission to the structure and other equipment.The mass should if possible be equivalent to 1.5 times the weight of the equipment. 1/2" (12 mm) cork is generally used as isolation and the surfaces are left rough for grouting purposes.The use of anchor bolts, commonly used for machinery with relatively high installed power, involvesthe use of a concrete foundation isolated from the rest of the building to prevent the transmission ofvibration.

Where anchor bolts are used, the base- plate shall be fitted in accordance with the following instruc-tion:

* The concrete foundation, if possible, should be made to be isolated from the rest of the building.The surfaces shall be left rought so as to provide a better adhesion for grouting (which is carriedout subsequently).

* Lower the base-plate to approximately 200 mm (8") from the plinth, centering the machine.Position the 100 X 100 X 20 mm (4 X 4 X 7/ 8") plates under the leveling screws.

Lower until the leveling screws come in contact with the plates. Position the base-plate in its final loca-tion, longitudinally and transversally. Centre the plates under the leveling screws. Wedge the plateswhich are not in contact with the adjustment screws.

* Check that the base-plate is level by using a spirit level sensitive to 0.1 mm/m (.005"/y). Thischeck shall be made longitudinally and transversally on all finished surfaces. It shall be level 0.1mm/m (.005"/y). It is adjusted by using the spirit level on the finished surface as shown in fig. C.3 and using the leveling screw. Each leveling screw can be used to raise or lower thebase-plate and therefore the edge of the finished surface relative to adjacent one.

* All surfaces are to be leveled transversally and longitudinally as specified.* Clean the surfaces of the plinth and prepare it for grouting. Provide an enclosure as shown in

fig. C.3 . If it is being installed in the open air, provide proper drainage for rainwater, takingaccount of the base-plate share. Pour grout under the base to the level indicated in fig. C.3 .Avoid the use of mechanical vibrators so as not to disturb the level surface obtained. Instead,promote grout with the use of bars or chains.

* Cure the grout adequately for an appropriate number of days.* Drill the holes as per the anchor bolt manufacturer's recommendation. Install the anchor bolts,

generally "Hilti chemical type", when the equipment is settled. Loosen the leveling screws.* Tighten all the anchor bolt nuts and the associated lock nuts before fitting the machines.

• Size or anchor bolts and leveling screws areindicated on the general arrangementdrawing.

Fig. C.3

rev 01, 15/08/98Page 1


APPENDIX '' D-01 '' (HH 4200 / 4300 SERIES)

WARNING: Units are normally shipped without lubricating oil. Do not operate before lubricating.Note: See parts lists identification number

Timing gears (6) and bearings (01,02) are lubricated by a simple but effective splash system. At thedrive end, oil is distributed by an oil slinger (25) attached to the drive shaft (11). At the gear end, gearteeth are lubricated by being partially submerged. The gear teeth serve as oil slingers for the gear endbearings (1).

FILLING PROCEDURE: Remove fill plugs (A) from top of each headplate (13). Using the grade oflubricant recommended, fill gear end until oil reaches midpoint in sight glass (34.04), fill drive end upto red line on sightglass (34.05). Do not overfill. Replace fill plugs. Always maintain oil level withinsight in the glasses (34), this should be checked when the machine is not operating. Oil should bechanged every 1500 hours under normal service, or more frequently if inspection indicates it is nec-essary.The oil drain plug is located under each headplate. (B)

LUBRICATION


rev 01, 15/08/98Page 2

APPENDIX '' D-01 '' (HH 4200 / 4300 SERIES)

LUBRICATION

OIL CAPACITIES.

The machine size can be read off the individual nameplate mounted on the headplate at the non driveend of the blower unit, this plate also contains the unique serial number for the machine that shouldbe quoted when ordering spares.

OIL QUANTITIES ARE LITRES / PINTS (USA)Horizontal Build Blower Unit - Vertical Gas Flow

TickSelection

MACHINE SIZESGEAR

CENTRES

GEAR END OILCAPACITY -

LITRES (PINTS)

DRIVEN END OILCAPACITY -

LITRES (PINTS)4242, 4243, 4344, 4342, 4343 &

43444252 , 4253, 4254, 4352, 4353 &

43544262, 4263, 4264, 4362, 4363 &

43644282, 4283, 4284, 4382, 4383, &

4384

4”102 (MM)

5”127 (MM)

6”152 (MM)

8”204 (MM)

0.65 (1.37)

1.50 (3.17)

2.40 (5.07)

4.20 (8.88)

0.32 (.67)

0.60 (1.27)

1.20 (2.53)

1.90 (4.0)

TickSelection

MACHINE SIZESGEAR

CENTRES

GEAR END OILCAPACITY -

LITRES (PINTS)


LITRES (PINTS)4242, 4243, 4344, 4342, 4343 &

43444252 , 4253, 4254, 4352, 4353 &

43544262, 4263, 4264, 4362, 4363 &

43644282, 4283, 4284, 4382, 4383, &

4384

4”102 (MM)

5”127 (MM)

6”152 (MM)

8”204 (MM)

0.28 (.60)

0.50 (1.06)

0.90 (1.90)

1.80 (3.80)

0.14 (.30)

0.20 (.42)

0.50 (1.06)

0.90 (1.90)

Vertical Build Blower Units - Horizontal Gas Flow

rev 01, 15/08/98Page 3


APPENDIX '' D-01 '' (HH 4200 SERIES TWO LOBE)

PARTS LIST

ITEM25211917

1615131211

10

*6*4*3*1

QTY1221

11241

1

2144

ITEM*94*8136

34.0434.05*3332282726

QTY2441112112

PART DESCRIPTIONGEAR LOCKING KITSEALING RINGFOOTOIL LEVEL SIGHT GLASSOIL LEVEL SIGHT GLASSOIL SLINGER 'O'RINGLIFTING EYEDRIVE KEYNAMEPLATEFILLER PLUG

PART DESCRIPTIONOIL SLINGERGASKETBEARING RETAINERDRIVE COVER

GEAR CASEIMPELLER CASEHEADPLATESHAFT SLEEVELONG SHAFT IMPELLERASSEMBLYSHORT SHAFT IMPELLERASSEMBLYTIMING GEARDRIVE SEALMAIN SEALMAIN BEARINGSTANDARD PARTS LIST

Notes 1. When ordering spare or replacement parts, please specify the following:Unit Size / Serial Number / Part Description / Item Number

2. Items marked * are factory recommended spare parts


rev 01, 15/08/98Page 4

APPENDIX '' D-01 '' (HH 4300 SERIES THREE LOBE)

PARTS LIST

ITEM*01*02 *04*069998121384161719202122

QTY221211421112122

ITEM252627283233

34 & 34a366571727374*81*94

QTY121141141224282

PART DESCRIPTIONMAIN BEARING DRIVE ENDVENT BREATHERNAMEPLATE (NOT SHOWN)DRIVE KEY (NOT SHOWN)LIFTING EYEOIL SLINGER 'O' RINGOIL SIGHT GLASS (G.E & D.E)FOOT (2-LEFT, 2-RIGHT)OIL SLINGER GRIP RINGOIL THROWER (GEAR END)OIL THROWER (DRIVE END)OIL SHIELDOIL SHIELD RETAINING SPRINGSEALING RINGGEAR LOCKING KIT

PART DESCRIPTIONMAIN BEARING DRIVE ENDMAIN BEARING GEAR ENDDRIVE SEALTIMING GEARSHORT SHAFT ASSEMBLY (3 LOBE)LONG SHAFT ASSEMBLY (3 LOBE)SHAFT SLEEVEHEADPLATEIMPELLER CASE (3 LOBE)CAST GEAR CASECAST DRIVE COVERBEARING RETAINERGEAR BAFFLE PLATEGASKETCLEARANCE SETTING SHIM SET



rev 01, 15/08/98Page 1


APPENDIX '' D-02 '' (HH 2000 SERIES)

LUBRICATION


Timings gears (6) and bearings (1) (gears end) are lubricated by a simple but effective spash system, gear teeth are lubricated by being partially submerged. The gear teeth serve as an oil slingersfor the gear end bearings. The drive end bearing are grease lubricated.

FILLING PROCEDURE: Remove fill plug (A) at the top of the headplate. Using the grade of lubricantrecommended, fill gear end until oil appears at the oil level plug at point (B). Do not overfill. Replacethis level should be checked when the machine is not operating. Oil should be changed every 1500hours under normal service, or more frequently if inspectection indicates it is necessary. The oil drainplug is located under the headplate (C). Bearings on drive end of the blower require greaselubrication every 500 hours of operation. Bearing which require grease lubrication have a grease fitting (D) at each bearing. When regreasing, the old grease will be forced out of the vents during operation. To prevent damage to seals, these vents must be kept open at all times.

OIL QUANTITIESOil Quantities are given in LITRES (PINTS USA)

MACHINE SIZE

DRIVEN SIDE (gear oil)GEAR DRIVE SIDE

DRIVEN SIDE (gear oil)DRIVE SIDE

20222023

0.07 (.15)GREASE

0.21 (.44)GREASE

203120322033

0.07 (.15)GREASE

0.36 (.76)GREASE

204120422043

0.28 (0.59)GREASE

0.36 (.76)GREASE

20512052

0.36 (.76)GREASE

0.71 (1.50)GREASE

VERTICAL ARRRANGMENT

HORIZONTAL ARRRANGMENT


rev 01, 15/08/98Page 2

APPENDIX '' D-02 '' (HH 2000 SERIES)

PARTS LIST

DETAILNO.*1(**)

*1A*3*4*6

***1011

***13***14

1516

***17202126

***27343942435995

NO.REQ,D

3141211111111121121112

DESCRIPTION

MAIN BEARINGSBEARINGS DRIVE SHAFTMAIN SEALDRIVE SEALTIMING GEARSSHORT SHAFT ASSMBLYLONG SHAFT ASSEMBLYDRIVE HEAD PLATE (VERTICALGEAR HEADPLATE (VERTICAL)IMPELLER CASEGEAR CASEDRIVEN SHAFT COVERGEAR BEARING PLATEGEAR CASE GASKETVENT PLUG (BREATHER)IDENTIFICATION NAME PLATEOIL LEVEL SIGHT GLASSTHREADED TAPER PINGEAR HEADPLATE (HORIZONTAL)DRIVE HEADPLATE (HORIZONTAL)DRIVER COVERGREASE FITTING

Notes: 1. When ordering spares or replacement parts, please specify the following:Unit Size / Serial Number / Part Description / Item Number

2. Item marked * are factory recommended spare parts(**) 2022 and 2023 has four identical bearing. Not shown on drawing.*** Not shown on drawing.

rev 01, 15/08/98Page 1


APPENDIX '' E '' (XN TWO & THREE LOBE)

LUBRICATION

NOTE: Depending upon the installation position, oil filling and draining plugs as well as sight glassesshall be positioned in the proper location.


Timing gears (023) and bearings (019) are lubricated by a simple but effective splash system. At thegear end, gear teeth are lubricated by being partially submerged. The gear teeth serve as oil slingerfor the gear end bearings (019). The drive side bearings are permanent factory lubricated.

FILLING PROCEDURE: Remove fill plugs (B) from top of gear end headplate. Using the grade oflubricant recommended, fill gear end until oil reaches midpoint in sight glass (D). Do not overfill.Always maintain oil level within sight in the glasses (544), this should be checked when the machineis not operating. The drive side bearings are permanent factory lubricated. If bearings are removedthe bearings shall be lubricated with grease MOBIL TEMP SHC 100 or equivalent. Oil should bechanged every 2000 hours under normal service, or more frequently if inspection indicates it is nec-essary.The oil drain plug is located under gears headplate(E).

OIL QUANTITIES (DRIVEN SIDE)Oil Quantities are given in LITRES (PINTS USA)

Machine size

XN 0,8XN 1,3 / 1,8 / 2,5XN 803 / 8045XN 806 / 809 / 815

approximative oil quantityPosition V0.07 (0.15)0.15 (0.32)0.35 (0.79)0.55 (1.16)

Position H0.15 (0.32)0.29 (0.61)0.75 (1.57)1.05 (2.20)

A- CoverB- Oil filling plugC- Oil casingD- Oil sight glassE- Oil drain plug

Clockwise rotation

Counter Clockwise rotation


rev 01, 15/08/98Page 2

APPENDIX '' E '' (XN TWO AND THREE LOBE)

PARTS LIST

ITEM1234567891112

DESCRIPTIONBlower cylinderDriven shaftDriving shaftSide plate, rear sideSide plate, drive sideOil casingCoverCover BushingGear trainSpacer with piston ringsBearing, drive side

DESCRIPTIONBearing, rear sidePiston ringSKF locknutSKF locknutV-ring sealHex. socket screwTaper pinOil sight glassDrain plug

QTY11111111142

ITEM131418191622232021

QTY2422116412




rev 01, 15/08/98Page 1

APPENDIX '' F-01 '' (SNH / V TWO AND THREE LOBE) EXCEPT MODELS 8 & 12

LUBRICATION

WARNING: Units are normally shipped without lubricating oil. Do not operate before lubricating.

NOTE: See parts lists indentification number

Timing gears (9-10) and bearings (18-19-20) are lubricated by a simple but effective splash system. At the drive end, oil is distributed by an oil slinger (14) attached to the drive shaft (3). At the gear end,gear teeth are lubricated by being partially submerged. The gear teeth serve as oil slingers for the gearend bearings.

FILLING PROCEDURE: Remove fill plugs (A) from top of each casing. Using the grade of lubricantrecommended, fill both end until oil reaches midpoint in sight glass (C). Do not overfill. Replace fillplugs. Always maintain oil level within sight in the glasses (C), this should be checked when themachine is not operating. Oil should be changed every 2000 hours under normal service, or more fre-quently if inspection indicates it is necessary.The oil drain plug is located under each headplate. (B)

Oil quantities: as shown in the table below in litres / (pints) (U.S.A.)

Machine size

SNHDrive sideOpposite sideSNVDrive sideOpposite side

11,62

0,5 (1.06)0,5 (1.06)

0,4 (0.85)0,4 (0.85)

3-4

0,5 (1.06)0,3 (0.64)

0,7 (1.50)0,3 (0.64)

6-9-15806

809-815

1 (2.12)0,9 (1.90)

1,1 (2.32)0,9 (1.90)

7812

0,7 (1.50)0,8 (1.70)

0,4 (1.06)0,4 (1.06)

13-2032820

1,8 (3.8)1,5 (3.20)

1,2 (2.54)0,9 (1.80)

25-40-60825

840-842

4 (8.45)3 (6.34)

2 (4.23)1,7 (3.60)

50-70-90110-870890-8110

7 (14.80)6 (12.68)

3 (6.34)3 (6.34)

100-140170200

9 (19.00)5 (10.57)

6 (12.68)3 (6.34)

210280400

25 (52.80)13 (27.50)

13 (27.50)7 (14.80)

A- Oil filling plugB- Oil drain plugC- Oil level indicatorD- Plug for cleaning the compression

chamber and the rotors. (SNV only)E- Compression chamber drain plug

(SNV only)F- Pressure gauge tapping point

rev 01, 15/08/98Page 2


APPENDIX '' F-01 '' (SNH / V & TWO LOBE) EXCEPT MODELS 8 & 12

PARTS LIST

ITEM12345

6

789101112131415

16

17

DESCRIPTIONBlower cylinderRotorDriving shaftDriven shaftSide plate, drive side

Side plate, rear side

Oil casing, drive sideOil casing, rear sideDriving gearDriven gearBushing of driven gearShaft passage coverBearing box cover, rear sideOil splasher, drive sideOil splasher, rear sideLock washer of driven gear orLock washer of rear side bearingOil retaining disk, at shaft outlet*

DESCRIPTIONShaft outlet bearingDrive side bearingRear side bearingShaft sealOil sight glassSKF nut and lockwasher on driving shaftSpacer between bearing and timing gear

Lockwasher of bearingsSpacer with piston ring, rear sideThrower, rear sideBearing box, rear sideLockwasher of rear side splasherBushing sleeve at shaft passageThrower, drive sideSpacer with piston rings, drive side

Spacer of shaft outlet bearing

Piston ring

QTY12111

1

111111211

2

1

ITEM1819202122

23

242526272829303132

33

34

QTY12214

1

212221122

1

12

Notes 1.When ordering spares or replacement parts, please specify the following:Unit Size / Serial Number / Part Description / Item Number


rev 01, 15/08/98Page 1

APPENDIX '' F-02 '' (SNH / V 815, 820, 825, 840 THREE LOBE)

PARTS LIST


ITEM001005008009010011012014015017018019020021022

DESCRIPTIONBlower casingHead plate Oil casing drive endOil casing driven endShaft seal coverDrive impeller & shaftDriven impeller & shaftRing holder drive endRing holder Driven endRetainer drive endRetainer driven endBearing drive endDriven end bearingDrive shaft bearingSpacer

DESCRIPTIONGear setGear hubShaft sleeve for sealBearing holder Bearing plateShaft sealPiston ringsGear holder plateHolder plate driven endOil slinger drive endOil slinger driven endOil shell drive coverRemovable feet

QTY121111122222211

ITEM023024028031034035036039042043044045105

QTY111221

12121114


rev 01, 15/08/98Page 2

APPENDIX '' F-02 '' (SNH / V 870, 890, 8110 THREE LOBE)

PARTS LIST


ITEM001005008009010011012014015017018019020021022


DESCRIPTIONGear setGear hubShaft sleeve for sealBearing holder Bearing plateShaft sealPiston ringsGear holder plateBearing bloc driven endHolder plate driven endOil slinger drive endOil slinger driven endOil shell drive coverRemovable feetOil slinger driven end

QTY121111122222211

ITEM023024028031034035036039041042043044045105151

QTY111221

1211111141


rev 01, 15/08/98Page 1

APPENDIX '' F-03 '' (SNH / V 8 - 12 - 812 TWO & THREE LOBE)

LUBRICATION

A- Oil casingB- Oil sight glassC- Oil filling plugD- Drain plug


Timing gears (18, 19) and bearings (23, 24, 25) are lubricated by a simple but effective splash system.At the driven end, oil is distributed by an oil slinger (5) attached to the drive shaft. At the gear end,gear teeth are lubricated by being partially submerged. The gear teeth serve as oil slingers for the gearend bearings.

FILLING PROCEDURE: Remove (C) plug from top of each headplate. Using the grade of lubricantrecommended, fill both end until oil reaches midpoint in sight glass (B), Do not overfill. Replace fillplugs. Always maintain oil level within sight in the glasses (B), this should be checked when themachine is not operating. Oil should be changed every 2000 hours under normal service, or more fre-quently if inspection indicates it is necessary.The oil drain plug is located under each headplate (D).

Position

Mounting V

Mounting H

Drive side

0.58 (1.23)

1.1 (2.32)

Opposite side

0.58 (1.23)

1.1 (2.32)

Oil quantities are given in LITRES (PINTS) (USA)

NOTE: See parts lists

(HORIZONTAL GEARS) (VERTICAL GEARS)


rev 01, 15/08/98Page 2

APPENDIX '' F-03 '' (SNH / SNV 8, 12, 812 TWO & THREE LOBE)

PARTS LIST


2.Item marked *are factory recommended spare parts

ITEM001006007008009011012014017018020020A021023

DESCRIPTIONBlower casingEnd plate driving endEnd plate driven endFront coverCover driven endDriving lobeDriven lobePiston ring holderOil thrower gear sizeOil thrower Q.PP gearBearing 3211Bearing 3310Bearing NU 309Gear / Set

DESCRIPTIONShaft sleeveDriving gear SpacerShaft sealPiston ringsOil SlingerDriving gear spacerDriven gear spacerBearing NU 311Bearing NU 2211Bearing retainer Driving lobeBearing retainer Driven lobeWavy washer drivenWavy washer driving

QTY1111114221111

ITEM028047035036044047048057058071072143143A

QTY111122

1111111

A

rev 01, 15/08/98Page 1


APPENDIX '' G-01 '' (VTB 810 - 20 - 820 TWO & THREE LOBE)

LUBRICATION

A- Oil casingB- Oil sight glassC- Oil filling plugD- Drain plug


Timing gears (18, 19) and bearings (23, 24, 25) are lubricated by a simple but effective splash system.At the driven end, oil is distributed by an oil slinger (5) attached to the drive shaft. At the gear end,gear teeth are lubricated by being partially submerged. The gear teeth serve as oil slingers for the gearend bearings.

FILLING PROCEDURE: Remove (C) plug from top of each headplate. Using the grade of lubricantrecommended, fill both end until oil reaches midpoint in sight glass (B), Do not overfill. Replace fillplugs. Always maintain oil level within sight in the glasses (B), this should be checked when themachine is not operating. Oil should be changed every 2000 hours under normal service, or more fre-quently if inspection indicates it is necessary.The oil drain plug is located under each headplate (D).

Position

Mounting V

Mounting H

Drive side

0.58 (1.23)

1.1 (2.32)

Opposite side

0.58 (1.23)

1.1 (2.32)

Oil quantities are given in LITRES (PINTS) (USA)

NOTE: See parts lists

(HORIZONTAL GEARS) (VERTICAL GEARS)


rev 01, 15/08/98Page 2

APPENDIX '' G-01 '' (VTB 810, VTB 820 THREE LOBE)

PARTS LIST


2.Item marked *are factory recommended spare parts

ITEM001006007008009011012014017018020020A021023

DESCRIPTIONBlower casingEnd plate driving endEnd plate driven endFront coverCover driven endDriving lobeDriven lobePiston ring holderOil thrower gear sizeOil thrower Q.PP gearBearing 3211Bearing 3310Bearing NU 309Gear / Set

DESCRIPTIONShaft sleeveDriving gear SpacerShaft sealPiston ringsOil SlingerDriving gear spacerDriven gear spacerBearing NU 311Bearing NU 2211Bearing retainer Driving lobeBearing retainer Driven lobeWavy washer drivenWavy washer driving

QTY1111114221111

ITEM028047035036044047048057058071072143143A

QTY111122

1111111

A


rev 01, 15/08/98Page 1

APPENDIX '' G-02 '' (SIAV, Air injection series)

LUBRICATION


FILLING PROCEDURE: Remove plug A from top of each headplate. using the grade of lubricant recommended (synthetic oil ispreffered) file dive end and until oil reaches mid point in sight glass.

IMPORTANT NOTE FOR TRUCK INSTALLATION:

Blower may be installed at an angle for instance (to match the angle of truck transmission) or in casethe truck is not parked on a leveled surface, please observe the following procedure:

• Check the oil or both sides of each oil casing (drive and driven side). Properoil level shall be the middle of the sight glass on either side of the blower.

• If the oil level is low on one side, correct oil level to middle of sight glass as required.

• As same machines with high shaft, there is only one sight glass on the driveend oil casing. In this particular instance only, fill the sight glass up to the topas shown below:

• Maximum operating angle of blower is 15°.

DO NOT OVERFILLReplace sealant on fill plugs (use LOCTITE PST56747 or equivalent). Oil shall be changed every 1000hours (high service) or 2000 hours (industrial use) or every 6 months. Oil may be changed more fre-quently, if inspection indicates it is necessary. The oil drain plug is located under each oil casing.

A- Oil filling plugB- Oil drain plugC- Oil level indicatorD- Plug for cleaning the compression

chamber and the rotors.E- Compression chamber drain plug F- Pressure gauge tapping point


rev 01, 15/08/98Page 2

APPENDIX '' G-02 '' (SIAV VTB, Air injection series)

LUBRICATION

OIL CAPACITIES.

The machine size can be read off the individual nameplate mounted on the headplate at the non driveend of the blower unit, this plate also contains the unique serial number for the machine that shouldbe quoted when ordering spares.

OIL QUANTITIES ARE GIVEN IN LITRES / PINTS (USA)Horizontal Build Blower Unit - Vertical Gas Flow

Above oil quantities are approximative and may very depending upon the tilt angle of blower. Pleasefollow the above procedure to read proper oil level.

TickSelection

MACHINE SIZESGEAR

CENTRES

DRIVE END OILCAPACITY -

LITRES (PINTS)


LITRES (PINTS USA)VTB 810

VTB 820

SIAV 25 H

SIAV 840 H

5.3”135 MM

5.3”135 MM

8.54”217 MM

8.54”217 MM

1.1 (2.32)

1.1 (2.32)

4.0 (8.45)

4.0 (8.45)

1.1 (2.32)

1.1 (2.32)

3.0 (6.34)

3.0 (6.34)

Vertical Build Blower Units - Horizontal Gas Flow

TickSelection

MACHINE SIZESGEAR

CENTRES

DRIVE END OILCAPACITY -

LITRES (PINTS USA)


LITRES (PINTS USA)

SIAV 6

VTB 810

VTB 820

SIAV 25 V

SIAV 840 V

SIAV 8702 V

SIAV 140 V

5.3”135 MM

5.3”135 MM

5.3”135 MM

8.54”217 MM

8.54”217 MM10.63”

270 MM13.38”

340 MM

1.1 (2.32)

0.58 (1.23)

0.58 (1.23)

2.0 (4.23)

2.0 (4.23)

3.0 (6.34)

6.0 (12.68)

0.9 (1.90)

0.58 (1.23)

0.58 (1.23)

1.7 (3.60)

1.7 (3.60)

3.0 (6.34)

3.0 (6.34)


rev 01, 15/08/98Page 3

APPENDIX '' G-02 '' (SIAV 6, 25, 50, 701, 702 TWO LOBE)

PARTS LIST

ITEM12345

6

789101112131415

16

17

DESCRIPTIONBlower cylinderRotorDriving shaftDriven shaftSide plate, drive side

Side plate, rear side

Oil casing, drive sideOil casing, rear sideDriving gearDriven gearBushing of driven gearShaft passage coverBearing box cover, rear sideOil splasher, drive sideOil splasher, rear sideLock washer of driven gear orLock washer of rear side bearingOil retaining disk, at shaft outlet*

DESCRIPTIONShaft outlet bearingDrive side bearingRear side bearingShaft sealOil sight glassSKF nut and lockwasher on driving shaftSpacer between bearing and timing gear

Lockwasher of bearingsSpacer with piston ring, rear sideThrower, rear sideBearing box, rear sideLockwasher of rear side splasherBushing sleeve at shaft passageThrower, drive sideSpacer with piston rings, drive side

Spacer of shaft outlet bearing

Piston ring

QTY12111

1

111111211

2

1

ITEM1819202122

23

242526272829303132

33

34

QTY12214

1

212221122

1

12



rev 01, 15/08/98Page 4

APPENDIX '' G-02 '' (SIAV - 840, THREE LOBE)

PARTS LIST


ITEM001005008009010011012014015017018019020021022


DESCRIPTIONGear setGear hubShaft sleeve for sealBearing holder Bearing plateShaft sealPiston ringsGear holder plateHolder plate driven endOil slinger drive endOil slinger driven endOil shell drive coverRemovable feet

QTY121111122222211

ITEM023024028031034035036039042043044045105

QTY111221

12121114


rev 01, 15/08/98Page 5

APPENDIX '' G-02 '' (SIAV - 8702 THREE LOBE)

PARTS LIST


ITEM001006007008009010011012014015017018020021022

DESCRIPTIONBlower casingHead plate drive endHead plate driven endOil casing drive endOil casing driven endShaft seal coverDrive impeller & shaftDriven impeller & shaftRing holder drive endRing holder Driven endRetainer drive endRetainer driven endDriven end bearingDrive shaft bearingSpacer

DESCRIPTIONGear setGear hubShaft sleeve for sealBearing holderBearing plateShaft sealPiston ringsGear holder plateHolder plate driven endOil slinger drive endOil slinger driven endOil shell drive coverBearing spacer drivenBearing drive shaftBearing driven shaft

QTY111111112222211

ITEM023024028031034035036039042043044045049057059

QTY111221

1212111111


rev 01, 15/08/98Page 1

APPENDIX '' G-03 '' (SIAV BLOWERS)

SIAV SERIES: RECOMMENDATIONS FOR INSTALLATION OF HIBON AIR INJECTION PUMPSON TRUCKS.

1.0 Transport, lifting and storage

2.0 Installation

2.1 Blower base frame2.2 Manifold2.3 Piping2.4 Silencers2.5 Filtration2.6 Instrumentation2.7 Relief valves (pressure mode only) 2.8 Drives

3.0 Discharge temperature test

rev 01, 15/08/98Page 2



1.0 Transport, lifting and storage:

Before packing at our plant, all machined surfaces are protected with a rust preventive varnish. Thisvarnish will prevent rusting of the blower internals. It is not suitable for extended storage beyond sixmonths or if storage conditions are not followed . We recommend to stock the blowers indoor in a dryand ventilated area .

For long term storage, it is recommended to rotate the shaft of the blower 1/4 turn every month to prevent marking of bearings and consequently sudden bearing failure at start-up. The blower internalsshall be checked from time to time and protective oil such as WD 40 or equivalent may be applied asrequired to prevent rusting.

The blower is supplied with flange caps that prevent foreign material from entering the compressionchamber. Do not remove the caps until you are ready to bolt inlet piping or discharge manifold to theblower. Do not forget to remove the protectors when installing blower accessories.

Each blower is properly crated and protected before shipment. Our standard crate is suitable for roadtransportation. Please check the blower carefully upon receipt and report any damages immediately.Road freight companies will not file a claim if damage is reported later than 10 days after delivery.

To lift the blower, it is recommended not to use the eyebolts located on the blower end-plates, whenapplicable. Doing so may cause the blower end-plates to shift slightly and modify the internal clearances. The blower end-plates are precisely centered and pined to the casing. This taper pin helpsavoid accidental changes of internal clearances but our experience has demonstrated shifting is possible if the blower is not handled correctly.

We recommend to lift the blower using slings installed underneath the endplates or the casing. Beforebeginning to install the blower on the truck, turn the blower by hand to see if it is turning freely. As anadded precaution, it is good practice to check the clearances on the blower suction and discharge alsoand compare them with factory valves.

2.0 Installation

2.1 Blower base frame:

The blower is not intended to be used as a stiffener to the truck chassis. Therefore, special attentionshall be paid when attaching the blower to the truck chassis.

The blower shall be installed on a flat steel base frame. Preferably, the base frame will be machinedunder blower feet to prevent distortion of the blower casing. The flatness of the blower base frame shallbe within 0.0015 inches per foot for blower sizes up to the SIAV 840 and 0.003 inches per foot for larger units.

The blower base frame shall be rigid enough not to distort during movement of the truck chassis.Vibration isolators or spring loaded bolts may be installed between the base frame and the chassis toeliminate the transmission of chassis movement to the blower feet.

Do not place shims or vibration pads between the blower feet and the steel base frame as this mayput too much stress on blower casing and modify internal running clearances, resulting in blowerfailure.


rev 01, 15/08/98Page 3


If the casing is distorted, blower failure may not occur immediately at start-up but eventually whenblower is operated at higher temperatures when metal expansion is greater.

2.2 Manifold:

Hibon offers a variety of discharge manifolds made of fabricated steel or cast iron. These manifoldsare designed to provide good jet air flow to the blower , resulting in safe operating temperatures.

We strongly recommend to use factory approved manifolds for best performance. Should your installation require different manifold configurations, please consult us. We will be pleased to assist youin the design of such manifolds. We will also recommend test procedures to verify performances.

Wrong designs of manifolds may result in blower overheating problems not covered by warranty.

The blower is designed to support the weight of the manifold only . No forces shall be applied to themanifold flanges since this may distort the blower casing and result in reduced operating clearances.

Should the manifold be attached to the truck chassis by mean of a bracket, make sure that the supporting bracket is not transmitting the chassis movement to the manifold and the blower. Suchsupporting is usually not required if the silencers and discharge / air injection piping are adequatelysupported. (see chapter on silencers and piping below).

We recommend to use a 1/16 ‘’ or 1/8 ‘’ thick high temperature, non-asbestos, hard fiber gasketbetween the manifold flange and the discharge blower flange. Manifold flange must be machined.Flange on fabricated manifolds shall be made of 1’’ thick steel plate machined down to 3/4’’. The gasket shall be precisely cut to fit the blower ports.

2.3 Piping:

It is recommended to use identical piping diameters as the flanged connections on the blower or themanifold.

Inlet piping to the blower can be one diameter smaller than the blower with slight loss in free air flow.The smaller and longer the inlet piping, the bigger the losses.

It is critical not to downsize any piping connecting the manifold to the silencers. We also recommendto have the shortest run of piping as possible in order to prevent excessive losses resulting in bloweroverheating.

We recommend to incorporate sections of high temperature (260 Deg F) flexible connectors (hose) inthe discharge and air injection piping.

The hose may be retained by steel clamps. A gap of 1/2’’ between the two sections of the piping prevents loading the manifold and will dampen vibrations. The flexible connectors shall be installed asclose as possible to the manifold.

Piping shall be properly supported using brackets bolted to the chassis.

rev 01, 15/08/98Page 4



2.4 Silencers :

Silencers considerably reduce the noise emission of a positive displacement blower. When sizingsilencers, information such as gear diameter, natural noise frequency, rotational speed are fundamental to the silencer manufacturer. Please check blower data sheet for more information.

Special attention shall be given to silencer pressure losses. Typically, chamber / absorption typesilencers from reputable manufacturers have internal pressure losses averaging 6’’ to 10’’ of water column.

We recommend not to exceed 8’’ water column losses for two lobe blowers and 10’’ water column losses for tri-lobe blowers when referring to free air flow at maximum speed (250 F at discharge, 100F at inlet, standard 14.7 PSIA barometric)

Because of the higher number of strokes per revolution on the tri-lobe blowers (6 instead of 4 on thetwo lobe), it will tolerate higher pressure losses while generating less heat of compression.

Since tri-lobe blowers tolerate higher pressure losses, this allows you to design more efficient silencersand / or incorporate additional noise abatement system such as enclosures with baffles. Do not hesitate to contact us when designing a new system, we will assist you in getting the appropriatesilencers.

Inlet of the air injection silencer shall be orientated away from the motor exhaust stack or the dischargesilencer to prevent suction of hot air or gas. Make sure that discharge flappers do not blow warm blower discharge air into the air injection silencer.

Both silencers shall be fully supported in order not to exert any force on the manifold flanges.

2.5 Filtration:

Filtration systems vary from one manufacturer to another. Figure 1 shows a typical mobile filtration system with cyclone, baghouse and final filter. The filtration system may be composed of cyclone andfinal filter only if the truck is designed to handle water or sludge. A bag-house is added if the blower ishandling dry powdered material.

The blower may acceptonly a very small amount of dust per cubic foot of air . The maximum size ofdust shall not exceed 1/6’’ of the minimum blower clearance. We do not recommend to use a filter at the inlet of the air injection silencer since it may get cloggedresulting in blower overheating.

2.6 Instrumentation:

The SIAV blowers are designed to operate continuously at maximum vacuum (inlet blanked off) withinlet and air injection air temperatures of 100 Deg. F.

Should the inlet temperature be higher than the air injection temperature (e.g. when pumping hot flyash) the discharge temperature of blower may exceed the maximum allowable discharge temperature.


rev 01, 15/08/98Page 5


A temperature switch (with capillary tube) may be installed at the discharge of the blower, and the thermowell shall be placed not more than one foot away from the discharge flange of the manifold. Itis not recommended to install the thermowell into the manifold since false readings may occur.The set point shall be 275 Deg. F . The high temperature alarm shall actuate a pneumatic operatedvacuum breaker valve.

2.7 Relief valves (pressure mode only) :

Relief valves are not necessary if the blower is operating in vacuum mode only. The blower is designedto withstand maximum differential pressure when inlet is blanked off.

When the blower is used for pressure unloading, relief valves are necessary. The relief valves shall beset for maximum blower discharge pressure (see blower data sheet) and shall be sized for 10 % pressure accumulation at blower maximum flow.

We also recommend to use a temperature switch as described in section 3.6 in addition to the reliefvalves.

2.8 Drives:

All SIAV blowers are fitted with a roller bearing at shaft end. This arrangement is suitable for all typesof drive, including V-belt. There is no need for an additional outboard bearing or a jack shaft arrangement when using V-belts.

The following recommendations are general. For more information, please ask the manufacturer ofyour drive system.

➩ Never use a metal hammer to install half couplings or sheave bushings on blower shaft.

➩ Coupling or sheaves must be properly aligned.

➩ Use a 1.6 safety factor when sizing couplings or V belt drives.

➩ Never install shims under blower feet to achieve correct alignment.

➩ Consult blower data sheet for minimum size of sheave. Using smaller sheaves than recommended would result in excessive torque and premature bearing failure.

➩ When using driveshafts and universal joints please make sure that all components of the drivetrain (blower, transfer case, motor and transmission) lie on the same angle. The driveshaft connecting to the blower shaft shall not transmit any axial force to the blower shaft.Sliding driveshafts are preferable.

➩ Resonance frequencies may cause the blower and/or motor and/or transfer case to vibrateexcessively at certain speeds. Please check angle of the transmission (3 to 5 degrees) and makesure that every component is aligned properly. Special couplings mounted on blower shaft aredesigned to dampen back torsional forces. They will extend the bearing life dramatically andallow smooth blower operation at all speeds.

rev 01, 15/08/98Page 6



3.0 Discharge temperature test

The blower discharge temperature will indicate if the blower accessories are properly selected and ifthe blower is properly installed.

We recommend to do at least one complete temperature test every time you modify the blower accessories such as silencers, manifold, filtration, etc... Proceed as follows:

➩ Install a discharge thermometer as directed on paragraph 3.6.

➩ Connect a mercury column gauge to the instrument tapped connection located at blower flange

➩ Make sure that the valves on discharge and air injection silencers are fully opened.

➩ Start blower and close inlet valve to read 15’’ Hg vacuum. Warm up for 10 minutes. Record discharge temperature.

➩ Gradually increase vacuum and read discharge temperature after 5 minutes of operation at agiven vacuum level. Record temperature at 18, 20, 22, 23, 24 inches of mercury vacuum. If thedischarge temperature does not seem to stabilize and will tend to exceed 280 Deg. F, releasethe vacuum, run the blower for a couple of minutes for cooling. Check your installation carefullyand review selection of the silencers.You may call Hibon for more information.

➩ Blank off blower inlet and record maximum vacuum and temperature after 5 minutes of operation. The maximum vacuum will vary upon blower rotational speed and air leaks.

➩ Carefully check all connections and gaskets on your truck for air leaks. Correct as necessary.


rev 01, 15/08/98Page 1

APPENDIX '' G-04 '' (SIAV AND VTB, Air injection series)

MAINTENANCE FOR TRUCK APPLICATIONS

Daily: • Check oil at both ends of blower. Wait 30 minutes to let the oil settle. Use a flashlightfor better reading.

If required: • In case sight glasses are dirty or damaged, clean and/or replace them as required.Replace the gasket or use pipe sealant (use LOCTITE PST 56747 or equivalent).Replace oil as explained above.

If required: • In case oil is leaking and leakage can not be controlled by simply sealing plugs,please contact Hibon nearest service center. If the operator neglects to monitor oillevels or to report any leakage, damage to the blower will not be covered by Hibon’swarranty.

Daily or more often: • Clean or replace the inlet filter or strainer.

• If the filter is rusted, replace it. If parts of the filter get into the blower it may result inmajor damage that will not be covered by Hibon’s warranty.

Daily or more often: • Drain the inlet filtration system (secondary trap or cyclonic filter).

If required: • Should foreign material get into the blower, it may result in major damage that willnot be covered by Hibon’s warranty.

If required: • In case of liquid overflow into the blower, it is necessary to remove the inlet filter andinspect the compression chamber. Clean the compression chamber using a smallquantity (1 oz maximum) of diesel fuel or WD 40 oil on a clean cloth. Drain the oil; andreplace with new oil as explained above (old oil may be contaminated by foreign liquid).

If required: • In case of liquid overflow into the blower, there is a strong chance that liquid be present into the discharge and air injection silencers as well. Drain both silencers andlet dry. Do not attempt to start the blower if silencers are not drained, clean and dry.Blower generates heat (up to 285°F on pressure mode). It is extremely important notto run the blower if flamable materials (diesel fuel, WD 40 oil, etc...) are still presentin the blower or silencers.

While blower is operating: • Check the discharge temperature regularly (if the blower is equipped with a tem-

perature gauge). The discharge temperature is a function of inlet air temperature,inlet vacuum and ambient jet air temperature. Operating speed has no influence overdischarge temperature when in vacuum mode.

If the discharge temperature exceeds 285°F, stop the blower and check the following points:• That inlet and discharge silencers are not clogged and that pressure loss is below 12

inches of water.• That truck engine is not discharging hot fumes into the air injection silencer.• That hot discharge air (blower) is not blowing into the air injection silencer.• That inlet and air injection temperatures are below 100°F.

If required: • If the blower does not produce the vacuum, please follow the following procedure.• Run the blower at maximum speed.• Check all gauges and their connection (leakage).• Check the vacuum at the blower inlet flange (see above drawing, “F” Tapping point).• Check for leakage at all connections on the tank and between the tank and the

blower (use cigarette smoke to detect leakage).• Check for leakage on the filtration system and cartridge type final filter.• Check blower internal clearances and compare with original values (larger

clearances may affect the vacuum by 2 or 3 inches of mercury maximum. Highervacuum losses invariably originate from the system).


rev 01, 15/08/98Page 1

Guarantees

Hibon Blowers and Exhausters, unless otherwise specified when ordering, are guaranteed for twelvemonths from their start-up, but for no more than eighteen months from their date of delivery to the original purchaser.

During this period, Hibon will replace or repair any part free of charge, FOB Hibon works, provided that the tests made reveal material or manufacturing defects. To make a claim under guar-antee, the machines and/or systems must have been used for their intended application and in com-plete with Hibon's instructions.

The purchaser loses all guarantee rights if the machines and/or systems are repaired or modified, in whole or in part, by the purchaser or third parties, unless this has been agreed in writingby Hibon, who however do not accept any liability for the repair or modification thus authorized.

Transport and labour expenses, including insurance costs, for the defective parts to and from Hibon'sworks will be borne by the purchaser.

The guarantee does not cover damage resulting from incorrect use (operation in unstable conditions, at inadmissible speeds of rotation, at inadmissible pressures or temperatures, etc.), negli-gence, alterations and incidents.

Materials and/or components, such as motors, valves, gearboxes, electrical equipment etc. bought byHibon from third parties are guaranteed by their respective suppliers and these guarantees are maintained in accordance with the above conditions.

Hibon reserves the right to invoice all replacements made due to material or manufacturing defectswhere repairs are carried out on site at the specific request of the customer.

Limit of liability

Hibon's liability in respect of claims of any kind, including negligence, consequential or associated loss or damage, or loss or damage resulting from the performance, design, manufacture, operation, use and likewise from any installation, maintenance or repair of any machineand/or system supplied, will not under any circumstances exceed the purchase price of the machineand/or system giving rise to that claim and ends at expiry of the guarantee period earlier defined.Under no circumstances, whether due to breach of the guarantee by Hibon or by manifest negligence,shall Hibon be responsible for special and consequential damages including, without this list beingexhaustive, losses of profits or proceeds, loss of use of the machines and/or systems themselves orconnected machinery, capital cost, cost of replacement machines and/or systems, tooling or services,costs for down time or customers' claims to the purchaser for such damages.

Unless expressly stated in writing, the machines produced by Hibon are not intended for use in nuclearsystems or activities.

Hibon refuses any liability for any damages, injuries and nuclear pollution which may occur as a con-sequence of such unauthorized use and the customer shall indemnify Hibon for any claims derivingtherefrom, including any attributed to negligence.

➣➣

APPENDIX '' H ''

Hibon DisplacmentBlower Iom D898

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Transcript of Hibon DisplacmentBlower Iom D898