XAS185 JD7 Compressors Scott Malm Committed to sustainable productivity.

XAS185 JD7 Compressors

Scott Malm

Committed tosustainable productivity.

Hard Hat VersionUnit features

Two canopy choices

One made from composite material that does not dent or rust

Removable side and end panels for easy service

Rear mounted controls and discharge valves

Standard VersionSteel construction

Removable side and end panels for easy service

Same rear mounted control panel

Product nomination and grouping

Principle data Compressor systems:

Service Kits Warranty

XAS 185 JD7

Product Nomination Oil Injected CompressorsNomination and

groupingPrinciple data Compressor systems Running conditions Electrical system Instrument panel

X A T S 185 J D

Product rangeX : Oil injected portable compressor

Working principleA : Single stage compressorR : Two stage compressor

Working pressure

: standard pressure 102psiT : “ten” pressure 150psiH : high pressure 175psi

Silencing : Un-silencedS : Silenced

Capacity (FAD)Liter/secCFM (US-version)

Engine supplierC : CaterpillarD : DeutzJ : John DeereK : Kabota

Prime moverd : diesel engineE : electric motor

Principle DataNomination and

Compressor Systems

*4 major systems Air system Oil system Regulating system Electrical system

Nomination and grouping

Principle data Compressor systems Running conditions Electrical system Instrument panel

Air system

Air System

Air filter

Unloading valve

Compressor element

Check valve

Air receiver

Minimum pressure nozzle

Air outlet valve

Air Filter

Air inlet Centrifugal separation

Filter element

to compressor element

Vacuum indicator 1310 0348 91

Air Filter Filtration of the inlet air in 2 stages :

– Centrifugal dust separation

– Paper filter element

– Optional safety element

– Air filter vacuum indicator

– Safety Filter XAS 185 JD7 1310 0343 81 Compressor

1310 0303 10 Engine

Unloading Valve

Opens and closes the air inlet to the compressor element.– Open position at load condition

=> Air demand.

– Closed position at no load condition=> No air demand.

Valve is controlled by the regulating pressure.

Unloading Valve

Spring loaded

Regulating pressure Air inlet

Integrated blow-down valve

Vent Hole

Unloading Valve

LOAD UNLOAD

Air inlet

Compressor ElementNomination and

Compressor Coupler

Compressor ElementNomination and

Oil is injected in the bottom of the rotor housing,

on the bearings and gears

Compressor Element

Air/Oil

Air inlet

Check Valve

Check valve is integrated in the Unloader XAS 185 JD compressor.

Closed when the compressor is stopped.

The air receiver is pressurized, which would result in a reverse air flow. the check valve prevents this.

Check Valve

Check valve

SHUT-DOWN

Receiver pressureWhen compressor is shut-down

Valve Part # 1615766785

Air Receiver

Air/Oil

Centrifugal Separation

Air outlet

SeparatorElement

Minimum Pressure Nozzle

Guarantees a minimum pressure in the receiver tank (approx. 45 – 60 psi)

Minimum pressure is required to guarantee a continuous oil supply to the element.

NOZZLE

OIL SYSTEM

Oil System

Air receiver

Oil cooler

Oil filter

Compressor element

Oil separator

Scavenge line

Air Receiver

Oil flow

Pressure

No Compressor Oil Pump Necessary

Oil Cooler

Warm Oil

Cooling air

Cool Oil

Oil Temp Should Have no more than 40 F Drop Through The Cooler – Use Proper Oil and Filters

Oil Filter

Dirty Oil Filtered Oil

By-pass valve

Part # 2914505000

By pass valve opens at 36 PSI

Ensures sufficient lubrication

And cooling if the filter gets clogged

Compressor Element

Oil Air/Oil

Lubrication to the bearings

Air inlet

Scavenged oil

Oil Separator & Scavenge Line

Air/Oil

Centrifugal separation

Separator Element

Scavenge line

When changing the separator element the retainer must be cleaned

Also works as ground

* Centrifugal force removes about 85% of the oil

Change of direction, about 99% of the oil

After separator element at discharge will be 3 to 5 PPM.

**Make sure the scavenge line runs ALONG SIDE the air outlet tube and NOT in the air outlet**

Oil Separator

Classic Reasons For Oil Carryover– Over filled receiver– Plugged scavenge line or restricted orifice– Wrong type of oil (no anti foam agent and anti-corrosion additives)– Shut down with air outlet valves open (Only On XAS 185)– Scavenge tube installed improperly (in outlet tube)– Used incorrectly for application (Sandblasting)

Separator Kit Part Number 2911 0068 00

REGULATING SYSTEM

Regulating System

• Regulating valve

• Unloading valve

• Speed regulator

• Blow-down valve

• Safety valve

Regulating Valve

Unloading Valve

Speed Regulator

Safety Valve

Regulating Valve

Regulates the effective pressure in the air receiver

Provides regulating pressure to :– unloading valve

=> regulates the air inlet according the air demand

– speed regulator=> regulates the engine speed to reduce fuel consumption

Regulating Valve Part Number 1615 7664 80

Regulating Valve

LOAD UNLOAD

Receiver Pressure

Pressure Gauge

Adjusts Unload Pressure

Control Pressure

To speed reg

To unloading valve

To blow down valveScavenge line

Speed Regulator

Regulates the engine speed in relation to the required air demand

Load condition : maximum engine speed

Unload condition : minimum engine speed

Reg. will adjust the engine speed to match air demand

Speed Regulator part number 1310 0305 73

Speed RegulatorNomination and

Control airControl air

VentVent

Max Speed Idle Speed

Blow Down Valve

Blows off the air receiver pressure once the compressor has shut-down=> this is to depressurize the receiver tank

Integrated in the unloading valve

Unloading Valve – Cut Away

Blow Down Valve

LOAD / UNLOAD BLOW-DOWN

Blow-off receiver pressure

Receiver PressureReceiver pressure

blow-down valve

Safety Valve

Blows off the air receiver pressure when it exceeds the preset value.

Protects the compressor and engine.

XAS 185 JD - 170 PSI

Compressor Running Conditions

Major running conditions :

– UNLOADReceiver tank pressurized, no air being used

– LOADReceiver tank pressurized, air is being used

– BLOW-DOWNMachine stopped, blow-off of receiver pressure

Electrical System

12 Volts DC

Alternator has built in voltage regulator– B+ Positive to recharge battery– B- Ground– W Frequency for tachometer (optional)– D+ Ground when alternator is turning less than

650RPM12 Volts when turning more than 650 RPMCuts-out starter motor when engine is running through

K4 relay

Electrical System

Safety shut-downs– Compressor :

Compressor element outlet temperature (255ºF) – 1310 0734 67– Engine :

Coolant temperature (221ºF) Oil pressure (17psi) Low fuel level (5%) Alternator not charging Fail safe as a loose wire will result in a shut-down

Good electrical contacts are important

Electrical System / Std Unit - XAS 185 JD7Nomination and

Switch In The Off Position

Switch In The On Position

Switch In The On Position S-4 Cold Start Pressed

Switch In The # 2 Position

Switch In The Start Position

Switch Back To The On Position- Engine Running

Control Panel

Comp Temp LampGeneral Alarm Lamp

Ignition Switch

Control panel isMounted at therear of the unit

More visible and user friendly

Control Panel

Coldstart

Fuel GageWorking

Pressure Compressor

General alarm

Ignition Switch

Hour MeterCold Start

10 AMP Circuit Breaker Behind Control Panel

Service Kits

XAS 185 CD

Kit number Designation– 2911 0051 00 Unloader

– 0665 0999 54 Speed Reg.(Piston Seal)

– 0665 9110 01 Speed Reg.(Wiper)

– 2911 0068 00 Oil separator

Preventive Maintenance Filter Kits

Spare Parts Recommendation

Maintenance

Check engine oil level

Check compressor oil level

Check air filter vacuum indicator

Empty air filter vacuator valve

Maintenance

50 HOURS

Change compressor spin on filter (2914 5050 00)

Check battery terminals (Load Test)

Check tire pressure / re-torque wheel lug nuts

Check drawbar bolts

Check for leaks in the air, fuel, and oil system

Check engine minimum (1600) / maximum (2750) RPM

Lubricate door hinges / locks / etc.

Maintenance

250 Hours

Perform 50 hour maintenance plus:

Change engine oil and filter

Clean the oil cooler / radiator

Clean fuel tank

Change fuel filters

Maintenance

500 Hours/Annually

Perform the 250 hour maintenance plus:

Change compressor oil spin on filter

Check/Replace air filter elements

Maintenance

1000 Hours/Annually

Perform 500 hour maintenance plus:

Adjust valves on engine

Replace Air oil separator

Test safety valve

Test operation of engine and compressor

Test safety switches and relays

Repack or Grease wheel bearings

Torque values

Hex agon s c rews & nuts w ith s thength grade 8.8th s trength grade 8.8Thread s iz e M 6 M 8 M 10 M 12 M 14 M 16Nm 9 23 46 80 125 205Lb.ft 7 17 34 60 93 152

Hex agon s c rews & nuts w ith s thength grade 12.9nuts w ith s trength grade 12.9Thread s iz e M 6 M 8 M 10 M 12 M 14 M 16Nm 15 39 78 135 210 345Lb.ft 12 29 58 100 155 255

SAE Grade 5

SAE Grade 8

Special Torque values

Wheel nuts 59 lb.ft (+7-0) Axle - beams 59 lb.ft (+/-7)Drawbar - axle 59 lb.ft (+/-7)Drawbar - bottom 59 lb.ft (+/-7)Towing eye - drawbar 59 lb.ft (+/-7)Lifting eye - flywheel housing 151 lb.ft (+15/-0)Engine - drive housing (M12) 59 lb.ft (+/-7)Engine - drive housing (M14) 92 lb.ft (+/-7)Compressor - drive housing 59 lb.ft (+/-4)Safety switches 26 lb.ft (+/-4)

Warranty – Compressors – Replacement Parts

Atlas Copco portable air compressors are warranted to be free from defects with regard to materials and workmanship for the period of fifteen (15) months from date of shipment from the factory, or twelve (12) months from date of initial startup, whichever occurs first, without limitation in running hours.

All Spare Parts are sold with a 90 day warranty unless otherwise specified.

Warranty – Air Compressor Elements Air compressor elements and gearbox assemblies used in Atlas Copco

portable air compressors, are warranted to be free from defects with regard to materials and workmanship for the period of thirty-nine (39) months from date of shipment from the factory, or thirty-six (36) months from date of initial startup, whichever occurs first, without limitation in running hours. This is provided only Atlas Copco kits and fluids are used throughout this period.

Replacement of Elements

In the event that there is a need to replace an element it will be warranted for 12 months or the balance of the machine warranty which ever is greater.

Extended warranty of 5 years 10,000 Hrs. on compressor element and gearbox assemblies provided only Atlas Copco kits and fluids are used throughout the 5 year period at the maintenance intervals indicated in the instruction manual.

Warranty - Engines John Deere –

1 year unlimited hours or 2 years 2000 hours whichever occurs first.

Extended engine warranties may be purchased through the local engine dealers.

Committed tosustainable productivity.

XAS185 JD7 Compressors Scott Malm Committed to sustainable productivity.

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Transcript of XAS185 JD7 Compressors Scott Malm Committed to sustainable productivity.

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