Series H-200 Guns - Nordsonemanuals.nordson.com/adhesives/English_Manuals/104457.pdf · Series...

Series H-200 GunsCustomer Product Manual

Part 104457KIssued 8/05

NORDSON CORPORATION • DULUTH, GEORGIA • USAwww.nordson.com

Part 104457K E 2005 Nordson CorporationAll rights reserved

For CE Declaration, refer to melter manual.

Nordson Corporation welcomes requests for information, comments, and inquiries about its products. General informationabout Nordson can be found on the Internet using the following address: http://www.nordson.com.

Address all correspondence to:

Nordson CorporationAttn: Customer Service11475 Lakefield DriveDuluth, GA 30097

Notice

This is a Nordson Corporation publication which is protected by copyright. Original copyright date 2001.No part of this document may be photocopied, reproduced, or translated to another language without the prior writtenconsent of Nordson Corporation. The information contained in this publication is subject to change without notice.

Trademarks

AccuJet, AeroCharge, AquaGuard, Asymtek, Automove, Autotech, Baitgun, Blue Box, CanWorks, Century, CF, Clean Coat, CleanSleeve, CleanSpray,ColorMax, Control Coat, Coolwave, Cross Cut, Cyclo-Kinetic, Dispensejet, DispenseMate, DuraBlue, Durafiber, Durasystem, Easy Coat, Easymove Plus,

Econo-Coat,EFD,ETI,Excel 2000,Fillmaster,FlexiCoat,Flexi-Spray,Flex-O-Coat,Flow Sentry,Fluidmove,FoamMelt,FoamMix,Heli-flow,Helix,Horizon,Hot Shot, iControl, Isocoil, Isocore, Iso-Flo,JR,KB30,Kinetix,Little Squirt,Magnastatic,March,MEG,Meltex,Microcoat,Micromark,MicroSet,Millennium,

Mini Squirt, Moist-Cure, Mountaingate, MultiScan, Nordson, OmniScan, OptiMix, Package of Values, PatternView, PermaFlo, Plasmod, PluraFoam,Porous Coat, PowderGrid, Powderware, Prism, ProBlue, Pro-Flo, ProLink, Pro-Meter, Pro-Stream, RBX, Rhino, Saturn, SC5, S. design stylized,Seal Sentry, Select Charge, Select Coat, Select Cure, Slautterback, Smart-Coat, Solder Plus, Spectrum, Speed-Coat, Spraymelt, Spray Squirt,Super Squirt, SureBead, Sure Coat, Sure-Max, Tela-Therm, Tracking Plus, Trends, Tribomatic, Ultrasaver, UniScan, UpTime, Veritec, VersaBlue,Versa-Coat, Versa-Screen, Versa-Spray, Walcom, Watermark, and When you expect more. are registered trademarks of Nordson Corporation.

Accubar, Advanced Plasma Systems, AeroDeck, AeroWash, Apogee, AquaCure, ATS, Auto-Flo, AutoScan, BetterBook, Celero, Chameleon, Check Mate,Controlled Fiberization, Control Weave, CPX, DispensLink, Dry Cure, DuraCoat, DuraPail, Dura-Screen, Easy Clean, Eclipse, EcoDry, e.DOT, E-Nordson,

Equi=Bead, ESP, e Stylized, Exchange Plus, Fill Sentry, Gluie, HDLV, iFlow, iON, Iso-Flex, iTrend, iTRAX, KVLP, Lacquer Cure, Lean Cell, Maxima,MicroFin, MicroMax, Minimeter, Multifil, OptiStroke, Origin, PatternPro, PCI, PluraMix, Powder Pilot, Powercure, Primarc, Printplus, Process Sentry,Pulse Spray, PurTech, QuadCure, Ready Coat, Royal Blue, Scoreguard, Select Series, Sensomatic, Shaftshield, SheetAire, Spectral, Spectronic,

Speedking, Spray Works, Summit, Sure Brand, Sure Clean, SureWrap, Swirl Coat, Tempus, ThruWave, Trade Plus, Trak, TrueBlue, Ultra, Ultrasmart,Universal, Vantage, Viper, Vista, Web Cure, and 2 Rings (Design) are trademarks of Nordson Corporation.

Designations and trademarks stated in this document may be brands that, when used by third parties for their own purposes,could lead to violation of the owners’ rights.

Table of Contents i

Part 104457KE 2005 Nordson Corporation

Table of Contents

Safety 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Safety Alert Symbols 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Responsibilities of the Equipment Owner 2. . . . . . . . . . . . . . . . . . . . . . . . . .Safety Information 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Instructions, Requirements, and Standards 2. . . . . . . . . . . . . . . . . . . . . .User Qualifications 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Applicable Industry Safety Practices 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Intended Use of the Equipment 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Instructions and Safety Messages 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Installation Practices 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Operating Practices 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Maintenance and Repair Practices 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Equipment Safety Information 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Equipment Shutdown 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .General Safety Warnings and Cautions 6. . . . . . . . . . . . . . . . . . . . . . . . .Other Safety Precautions 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .First Aid 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Labels and Tags 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Intended Use 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hot Melt Materials 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Auxiliary Devices and Spare Parts 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Installation Guidelines 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Mounting 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Connections 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Solenoid Valves 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unpacking and Inspection 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Mounting the Gun 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Mount the Gun on a New or Existing System 16. . . . . . . . . . . . . . . . . . . . .Replace the Gun on an Existing System 17. . . . . . . . . . . . . . . . . . . . . . . . .Mount a Low-Profile Gun 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the Solenoid 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Connecting the Gun and Hose 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Flushing the Gun 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Adjusting Zero-Cavity Modules 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Troubleshooting Table 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Diagnostic Procedures 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DP1. Check the Solenoid Valve 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DP2. Check for a Clogged Nozzle or Module 25. . . . . . . . . . . . . . . . . . . .DP3. Check Module Operation 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DP4. Check the Heater 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DP5. Check the RTD 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contentsii

Part 104457K E 2005 Nordson Corporation

Maintenance 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Nozzle Cleaning 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Integral Filter Cleaning 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inspecting the Gun Wiring 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Replacing the RTD or Heater 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Accessing the RTD or Heater 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Replacing the RTD or Heater 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Restoring the System to Normal Operation 35. . . . . . . . . . . . . . . . . . . . . . .

Replacing the Module 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Replacing the Manifold Body 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Replacing the Solenoid Valve 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Accessories and Service Parts 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cordsets and RTDs 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Seal Rebuilding Kits 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Filters 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Manifold Bodies, Heaters, and Integral Filters 40. . . . . . . . . . . . . . . . . . . . . .Gun Replacement Modules 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Solenoid Valves 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications 43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Series H-200 Guns 1


Series H-200 Guns

SafetyRead this section before using the equipment. This section containsrecommendations and practices applicable to the safe installation,operation, and maintenance (hereafter referred to as “use”) of the productdescribed in this document (hereafter referred to as “equipment”).Additional safety information, in the form of task-specific safety alertmessages, appears as appropriate throughout this document.

WARNING: Failure to follow the safety messages, recommendations, andhazard avoidance procedures provided in this document can result inpersonal injury, including death, or damage to equipment or property.

Safety Alert SymbolsThe following safety alert symbol and signal words are used throughout thisdocument to alert the reader to personal safety hazards or to identifyconditions that may result in damage to equipment or property. Comply withall safety information that follows the signal word.

WARNING: Indicates a potentially hazardous situation that, if not avoided,can result in serious personal injury, including death.

CAUTION: Indicates a potentially hazardous situation that, if not avoided,can result in minor or moderate personal injury.

CAUTION: (Used without the safety alert symbol) Indicates a potentiallyhazardous situation that, if not avoided, can result in damage to equipmentor property.

Series H-200 Guns2


Responsibilities of the Equipment OwnerEquipment owners are responsible for managing safety information,ensuring that all instructions and regulatory requirements for use of theequipment are met, and for qualifying all potential users.

Safety InformationS Research and evaluate safety information from all applicable sources,

including the owner-specific safety policy, best industry practices,governing regulations, material manufacturer’s product information, andthis document.

S Make safety information available to equipment users in accordancewith governing regulations. Contact the authority having jurisdiction forinformation.

S Maintain safety information, including the safety labels affixed to theequipment, in readable condition.

Instructions, Requirements, and StandardsS Ensure that the equipment is used in accordance with the information

provided in this document, governing codes and regulations, and bestindustry practices.

S If applicable, receive approval from your facility’s engineering or safetydepartment, or other similar function within your organization, beforeinstalling or operating the equipment for the first time.

S Provide appropriate emergency and first aid equipment.

S Conduct safety inspections to ensure required practices are beingfollowed.

S Re-evaluate safety practices and procedures whenever changes aremade to the process or equipment.

Series H-200 Guns 3


User QualificationsEquipment owners are responsible for ensuring that users:

S receive safety training appropriate to their job function as directed bygoverning regulations and best industry practices

S are familiar with the equipment owner’s safety and accidentprevention policies and procedures

S receive, equipment- and task-specific training from another qualifiedindividual

NOTE: Nordson can provide equipment-specific installation,operation, and maintenance training. Contact your Nordsonrepresentative for information

S possess industry- and trade-specific skills and a level of experienceappropriate to their job function

S are physically capable of performing their job function and are notunder the influence of any substance that degrades their mentalcapacity or physical capabilities

Applicable Industry Safety PracticesThe following safety practices apply to the use of the equipment in themanner described in this document. The information provided here is notmeant to include all possible safety practices, but represents the best safetypractices for equipment of similar hazard potential used in similar industries.

Intended Use of the EquipmentS Use the equipment only for the purposes described and within the limits

specified in this document.

S Do not modify the equipment.

S Do not use incompatible materials or unapproved auxiliary devices.Contact your Nordson representative if you have any questions onmaterial compatibility or the use of non-standard auxiliary devices.

Instructions and Safety MessagesS Read and follow the instructions provided in this document and other

referenced documents.

S Familiarize yourself with the location and meaning of the safety warninglabels and tags affixed to the equipment. Refer to Safety Labels andTags at the end of this section.

S If you are unsure of how to use the equipment, contact your Nordsonrepresentative for assistance.

Series H-200 Guns4


Installation PracticesS Install the equipment in accordance with the instructions provided in this

document and in the documentation provided with auxiliary devices.

S Ensure that the equipment is rated for the environment in which it will beused and that the processing characteristics of the material will notcreate a hazardous environment. Refer to the Material Safety DataSheet (MSDS) for the material.

S If the required installation configuration does not match the installationinstructions, contact your Nordson representative for assistance.

S Position the equipment for safe operation. Observe the requirements forclearance between the equipment and other objects.

S Install lockable power disconnects to isolate the equipment and allindependently powered auxiliary devices from their power sources.

S Properly ground all equipment. Contact your local building codeenforcement agency for specific requirements.

S Ensure that fuses of the correct type and rating are installed in fusedequipment.

S Contact the authority having jurisdiction to determine the requirement forinstallation permits or inspections.

Operating PracticesS Familiarize yourself with the location and operation of all safety devices

and indicators.

S Confirm that the equipment, including all safety devices (guards,interlocks, etc.), is in good working order and that the requiredenvironmental conditions exist.

S Use the personal protective equipment (PPE) specified for each task.Refer to Equipment Safety Information or the material manufacturer’sinstructions and MSDS for PPE requirements.

S Do not use equipment that is malfunctioning or shows signs of apotential malfunction.

Series H-200 Guns 5


Maintenance and Repair PracticesS Perform scheduled maintenance activities at the intervals described in

this document.

S Relieve system hydraulic and pneumatic pressure before servicing theequipment.

S De-energize the equipment and all auxiliary devices before servicing theequipment.

S Use only new factory-authorized refurbished or replacement parts.

S Read and comply with the manufacturer’s instructions and the MSDSsupplied with equipment cleaning compounds.

NOTE: MSDSs for cleaning compounds that are sold by Nordson areavailable at www.nordson.com or by calling your Nordsonrepresentative.

S Confirm the correct operation of all safety devices before placing theequipment back into operation.

S Dispose of waste cleaning compounds and residual process materialsaccording to governing regulations. Refer to the applicable MSDS orcontact the authority having jurisdiction for information.

S Keep equipment safety warning labels clean. Replace worn ordamaged labels.

Equipment Safety InformationThis equipment safety information is applicable to the following types ofNordson equipment:

S hot melt and cold adhesive application equipment and all relatedaccessories

S pattern controllers, timers, detection and verification systems, and allother optional process control devices

Equipment ShutdownTo safely complete many of the procedures described in this document, theequipment must first be shut down. The level of shut down required variesby the type of equipment in use and the procedure being completed.If required, shut down instructions are specified at the start of theprocedure. The levels of shut down are:

Relieving System Hydraulic Pressure

Completely relieve system hydraulic pressure before breaking any hydraulicconnection or seal. Refer to the melter-specific product manual forinstructions on relieving system hydraulic pressure.

Series H-200 Guns6


De-energizing the System

Isolate the system (melter, hoses, guns, and optional devices) from allpower sources before accessing any unprotected high-voltage wiring orconnection point.

1. Turn off the equipment and all auxiliary devices connected to theequipment (system).

2. To prevent the equipment from being accidentally energized, lock andtag the disconnect switch(es) or circuit breaker(s) that provide inputelectrical power to the equipment and optional devices.

NOTE: Government regulations and industry standards dictate specificrequirements for the isolation of hazardous energy sources. Refer tothe appropriate regulation or standard.

Disabling the Guns

All electrical or mechanical devices that provide an activation signal to theguns, gun solenoid valve(s), or the melter pump must be disabled beforework can be performed on or around a gun that is connected to apressurized system.

1. Turn off or disconnect the gun triggering device (pattern controller, timer,PLC, etc.).

2. Disconnect the input signal wiring to the gun solenoid valve(s).

3. Reduce the air pressure to the gun solenoid valve(s) to zero; thenrelieve the residual air pressure between the regulator and the gun.

General Safety Warnings and CautionsTable 1 contains the general safety warnings and cautions that apply toNordson hot melt and cold adhesive equipment. Review the table andcarefully read all of the warnings or cautions that apply to the type ofequipment described in this manual.

Equipment types are designated in Table 1 as follows:

HM = Hot melt (melters, hoses, guns, etc.)

PC = Process control

CA = Cold adhesive (dispensing pumps, pressurized container, andguns)

Series H-200 Guns 7


Table 1 General Safety Warnings and Cautions

EquipmentType Warning or Caution

HM

WARNING: Hazardous vapors! Before processing any polyurethanereactive (PUR) hot melt or solvent-based material through acompatible Nordson melter, read and comply with the material’sMSDS. Ensure that the material’s processing temperature andflashpoints will not be exceeded and that all requirements for safehandling, ventilation, first aid, and personal protective equipment aremet. Failure to comply with MSDS requirements can cause personalinjury, including death.

HM

WARNING: Reactive material! Never clean any aluminum componentor flush Nordson equipment with halogenated hydrocarbon fluids.Nordson melters and guns contain aluminum components that mayreact violently with halogenated hydrocarbons. The use ofhalogenated hydrocarbon compounds in Nordson equipment cancause personal injury, including death.

HM, CA

WARNING: System pressurized! Relieve system hydraulic pressurebefore breaking any hydraulic connection or seal. Failure to relievethe system hydraulic pressure can result in the uncontrolled release ofhot melt or cold adhesive, causing personal injury.

HM

WARNING: Molten material! Wear eye or face protection, clothingthat protects exposed skin, and heat-protective gloves when servicingequipment that contains molten hot melt. Even when solidified, hotmelt can still cause burns. Failure to wear appropriate personalprotective equipment can result in personal injury.

Continued...

Series H-200 Guns8


General Safety Warnings and Cautions (contd)

Table 1 General Safety Warnings and Cautions (contd)


HM, PC

WARNING: Equipment starts automatically! Remote triggeringdevices are used to control automatic hot melt guns. Before workingon or near an operating gun, disable the gun’s triggering device andremove the air supply to the gun’s solenoid valve(s). Failure todisable the gun’s triggering device and remove the supply of air to thesolenoid valve(s) can result in personal injury.

HM, CA, PC

WARNING: Risk of electrocution! Even when switched off andelectrically isolated at the disconnect switch or circuit breaker, theequipment may still be connected to energized auxiliary devices.De-energize and electrically isolate all auxiliary devices beforeservicing the equipment. Failure to properly isolate electrical power toauxiliary equipment before servicing the equipment can result inpersonal injury, including death.

CA

WARNING: Risk of fire or explosion! Nordson cold adhesiveequipment is not rated for use in explosive environments and shouldnot be used with solvent-based adhesives that can create anexplosive atmosphere when processed. Refer to the MSDS for theadhesive to determine its processing characteristics and limitations.The use of incompatible solvent-based adhesives or the improperprocessing of solvent-based adhesives can result in personal injury,including death.

HM, CA, PC

WARNING: Allow only personnel with appropriate training andexperience to operate or service the equipment. The use of untrainedor inexperienced personnel to operate or service the equipment canresult in injury, including death, to themselves and others and candamage to the equipment.

Continued...

Series H-200 Guns 9



HM

CAUTION: Hot surfaces! Avoid contact with the hot metal surfacesof guns, hoses, and certain components of the melter. If contact cannot be avoided, wear heat-protective gloves and clothing whenworking around heated equipment. Failure to avoid contact with hotmetal surfaces can result in personal injury.

HM

CAUTION: Some Nordson melters are specifically designed toprocess polyurethane reactive (PUR) hot melt. Attempting to processPUR in equipment not specifically designed for this purpose candamage the equipment and cause premature reaction of the hot melt.If you are unsure of the equipment’s ability to process PUR, contactyour Nordson representative for assistance.

HM, CA

CAUTION: Before using any cleaning or flushing compound on or inthe equipment, read and comply with the manufacturer’s instructionsand the MSDS supplied with the compound. Some cleaningcompounds can react unpredictably with hot melt or cold adhesive,resulting in damage to the equipment.

HM

CAUTION: Nordson hot melt equipment is factory tested withNordson Type R fluid that contains polyester adipate plasticizer.Certain hot melt materials can react with Type R fluid and form a solidgum that can clog the equipment. Before using the equipment,confirm that the hot melt is compatible with Type R fluid.

Other Safety PrecautionsS Do not use an open flame to heat hot melt system components.

S Check high pressure hoses daily for signs of excessive wear, damage,or leaks.

S Never point a dispensing handgun at yourself or others.

S Suspend dispensing handguns by their proper suspension point.

Series H-200 Guns10


First AidIf molten hot melt comes in contact with your skin:

1. Do NOT attempt to remove the molten hot melt from your skin.

2. Immediately soak the affected area in clean, cold water until the hot melthas cooled.

3. Do NOT attempt to remove the solidified hot melt from your skin.

4. In case of severe burns, treat for shock.

5. Seek expert medical attention immediately. Give the MSDS for the hotmelt to the medical personnel providing treatment.

Safety Labels and TagsFigure 1 illustrates the location of the product safety labels and tags affixedto the equipment. Table 2 provides an illustration of the hazard identificationsymbols that appear on each safety label and tag, the meaning of thesymbol, or the exact wording of any safety message.

4201092A

61

3

4

2

5

Figure 1 Safety Labels and Tags

Series H-200 Guns 11


Table 2 Equipment Safety Labels and Tags

Item Part Description

1. 273635 CAUTION: Hot surface! Before touching the gun body, allow the gunto cool, or wear heat-protective gloves. Failure to allow the gun bodyto cool or to wear heat-protective gloves may cause personal injury.

2. 182036 WARNING: System pressurized! Relieve system pressure beforedisconnecting the hose from the gun. Failure to relieve system pressurebefore disconnecting the hose may cause personal injury.

WARNING: Hot surface! Before touching the gun body, allow the gunto cool, or wear heat-protective gloves. Failure to allow the gun body tocool or to wear heat-protective gloves may cause personal injury.

3. 600137 WARNING: Disconnect power and remove system pressure beforedisassembly or maintenance. Failure to follow these instructionsmay result in serious personal injury.

4. 243352 WARNING: Fire, injury, or equipment damage can result if cleanoutmaterials do not meet the following requirements:

1. Minimum flashpoint to be 288 _C (550 _F).

2. Liquid and vapor to be non-toxic at use temperature inequipment.

3. Chemical reactions with adhesive and equipment materialsmust not be violently heat producing.

4. Cleanout material must not corrode or otherwise weakenequipment materials.

5. 600103 WARNING: This gun is RTD (resistance temperature detector)controlled. Prior to operation and before changing adhesive, consultinstruction manual for changing operating temperature. Failure tofollow instructions may result in personal injury or property damage.

6. 243352 WARNING: This equipment is factory tested with Nordson type R fluidcontaining Polyester Adipate plasticizer. Certain adhesives may reactwith the type R fluid residue to form solid gum, which can be difficult toremove.To avoid equipment damage, check with adhesive supplier regardingcompatibility and cleanout procedure before putting adhesive into thesystem.

Series H-200 Guns12


DescriptionThis manual provides information about Series H-200 RTD controlledmodular hot melt guns in filtered and unfiltered configurations. Table 3presents the gun configurations and module designs supported in thisdocument. Figure 2 illustrates a typical H-200 gun assembly.

Table 3 Supported Gun Configurations and Modules

GunModule

GunConfiguration Standard Minimum

CavityReducedCavity

Zero Cavity Zero CavityCaseSealing

Right Angle

Standard n — n n n n

Low profile n — n n n n

Mini-bead — — — — — —

Slot Nozzle — — — — — —

AquaGuard n — n n n n

4201052A

1

3

4

9

8

7

6

2

5

Figure 2 Typical H-200 Gun Assembly (Unfiltered Gun Shown

1. Solenoid valve2. Pipe nipple3. Mounting clamp4. Mounting bar5. Insulator

6. Cordset7. Manifold body8. Hose connector or inline filter9. Module (standard shown)



Intended UseNordson H-200 guns are specifically designed for industrial applications thatrequire the deposition of a precisely controlled stream of hot melt materialonto a moving substrate. H-200 guns are designed to be rigidly mounted,pneumatically operated, and triggered by an electrically controlled solenoidvalve. Series H-200 guns are designed for use only with Nordson meltersand hoses.

Hot Melt MaterialsNordson H-200 guns are designed to process packaging grade adhesives.Do not process polyurethane reactive or polyamide hot melt materialsthrough the H-200 guns.

Auxiliary Devices and Spare PartsH-200 guns should only be connected to approved auxiliary devices. Useonly new Nordson replacement parts or approved factory refurbished parts.

Dimensions

40 mm

40 mm25 mm

96 mm

12 mm

114 mm

22 mm

42 mm

(1.59 in.)

(4.52 in.)

(1.59 in.)(1.0 in.)

(3.86 in.)

(0.50 in.) (1.66 in.)

(0.875 in.)

Figure 3 H-200 Unfiltered Gun Dimensions

Series H-200 Guns14


Dimensions (contd)

4201073

Clearance requiredfor removal of filter

94 mm(3.70 in.)

24 mm(0.96 in.)

129 mm(5.10 in.)

133 mm(5.25 in.)

109 mm(4.30 in.)

102 mm(4.05 in.)

Figure 4 H-200 Integral Filter Gun Dimensions

InstallationH-200 guns are installed using a six-step process:

1. unpack and inspect

2. mount

3. connect the air supply

4. connect the gun to the hose

5. flush

6. install nozzles

Guns ordered with special options may require additional installation stepsthat are not described here.



Installation GuidelinesUse the following installation guidelines to achieve optimum gunperformance.

MountingS Mount the gun so that the nozzle is no more than 13 mm (0.5 in.) from

the substrate.

S Install integral filter guns with a minimum 94 mm (3.70 in.) clearanceabove the gun manifold, so that the filter assembly can be removed.

S Install integral and Saturn filter guns with sufficient clearance at the rearof the gun to allow operation of the manifold drain valve.

S Install the gun with sufficient clearance to the rear or sides of the gun toallow for removal of the manifold body cover or endplates.

S Mount the gun on a rigid support that is isolated from external vibrationsand that prevents the gun from rotating.

S Insulate the gun from the support, using the insulator provided with thegun.

ConnectionsS Only use one fitting to connect the hose to the gun.

S Insulate the fitting between the hose and gun.

S Keep the pipe nipple connecting the solenoid valve to the gun to lessthan 76 mm (3 in.) in length.

Solenoid ValvesS Only use solenoid valves rated above 0.5 Cv and with a service

temperature above 85 _C (185 _F).

S Third-party solenoid valves must be capable of being manually triggeredat the gun. Use Nordson solenoid valves for optimum performance.

S Only use clean, dry, and non-lubricated air.

S Ensure that the plant air supply and regulator provide a minimum of340 kPa (50 psig) to the gun solenoid valve.

4201093A

Series H-200 Guns16


Unpacking and Inspection1. Unpack the gun using normal care.

2. Inventory and inspect the gun. H-200 guns are shipped with thefollowing components.

S Module(s) assembled to the manifold body

S Integral mounting clamp

S Installation kit

NOTE: Guns ordered with optional features may be shipped withadditional components.

The following additional components may also be required:

S Approved solenoid valve (see Installation Guidelines)

S Solenoid valve installation kit (for Nordson solenoid valves)

Mounting the GunThis section describes three gun-mounting options:

S mount the gun on a new or existing systemS replace the gun on an existing systemS mount a low-profile gun

The configuration of your equipment and production line may require avariation in the mounting options described in this section. Regardless ofthe option used, observe the information provided in Installation Guidelines.

Mount the Gun on a New or Existing System1. Attach the gun assembly to the parent machine using the clamp or

threaded mounting rod (low-profile gun) provided.

2. See Figures 5 and 6. Slide the mounting clamp onto a mounting bar ordisassemble the clamp and reassemble it (with the gun and insulator)onto a mounting bar. Ensure that the insulator is placed between themanifold body and the clamp.

Figure 5 Using a Mounting Bar

4201070

2

1



3. Securely tighten the mounting clamp.

4. Go to Connecting the Solenoid Valve.

Figure 6 Disassembling theClamp

1. Mounting clamp2. Insulator

Replace the Gun on an Existing System1. Relieve system hydraulic pressure and disable the gun. Refer to Safety.

2. See Figure 7. Disconnect the pipe nipple and solenoid from the gun.

3. Disconnect the hose from the gun, electrically and hydraulically.

4. Separate the existing gun from its mounting. If the mounting clamp willnot be reused, remove it from the mounting bar.

5. Mount the new gun and insulator onto the existing mounting clamp ordisassemble the new gun’s mounting clamp, then reassemble the clamp(with gun and insulator) onto the existing mounting bar. Tighten theclamp securely.

6. Go to Connecting the Solenoid Valve.

4201094A

Figure 7 Removing and Existing Gun

Series H-200 Guns18


Mount a Low-Profile GunSee Figure 8. Mount a low-profile gun to the parent machine using thethreaded mounting rod.

4201083A

Figure 8 Typical Low-Profile Gun

Connecting the Solenoid

CAUTION: Risk of solenoid valve failure. Solenoid valves must be ratedfor the output voltage of the triggering device (pattern control, timer, PLC,etc.) and for use in high-temperature applications. Refer to InstallationGuidlines.

1. Port the solenoid valve. Refer to the instruction sheet provided with thesolenoid valve.

2. Connect the solenoid valve to the gun, using the pipe nipple provided inthe installation kit. Nordson recommends the use of a quick-disconnectfitting (P/N 231262) between the solenoid valve and gun. Individuallyported guns may require special solenoid valve configurations. Contactyour Nordson representative for assistance.

3. Connect the solenoid valve to a regulated, dry, and non-lubricated airsupply. Refer to the instruction sheet supplied with the valve and theInstallation Guidelines provided earlier in this section.

4. Connect the solenoid valve to the triggering device. Refer to theinstructions provided with both the triggering device and solenoid valve.

5. Go to Connecting the Gun and Hose.



Connecting the Gun and HoseNOTE: Refer to the user’s guide shipped with each hose for detailed hoseinstallation guidelines.

1. Do one of the following:

S If an in-line filter is to be used (see Parts), remove the hot melt hoseadapter fitting supplied with the gun, then install the filter assembly.Refer to the instruction sheet provided with the in-line filter assembly.

S If no in-line filter is required, check the tightness of the adapter fittingon the gun.

2. See Figure 9. Connect the hose swivel fitting to the adapter fitting onthe gun. Use two wrenches to tighten the hose fitting.

3. Connect the gun cordset or wiring to the hose.

4201075

Figure 9 Connecting the Hose and Gun (no In-line Filter)

4. See Figure 10. Insulate the gun-to-hose fittings or filter using the cuffprovided in the installation kit.

4201102A

Figure 10 Insulating the Gun-to-hose Fittings or Filter

5. Connect the hose to the melter. Refer to the user’s guide provided withthe hose.

6. Go to Flushing the Gun.

Series H-200 Guns20


Flushing the GunBefore placing the gun into operation, it must be flushed of foreign material.Procedures for flushing both standard guns and reduced- or zero-cavityguns are provided in this part.

CAUTION: Risk of equipment damage. This equipment is factory testedwith Nordson Type R fluid containing Polyester Adipate plasticizer. Certainadhesives may react with the Type R fluid residue to form a solid gum thatcan be difficult to remove. Consult with your adhesive supplier to determinethe compatibility of your adhesive with Type R fluid.

1. Disconnect or turn off the solenoid triggering device.

2. Remove Saturn, right-angle, or multi-orifice nozzles.

3. Turn the melter on, then bring the system up to the operatingtemperature and pressure required for the adhesive being used. Referto the melter product manual and the instructions provided with theadhesive.

4. Place a catch pan under the gun.


For standard guns:a. Dispense hot melt from the gun by manually triggering the solenoid

valve(s).

b. Stop dispensing when the flow of hot melt is clear and free of foreignmaterial.

For reduced- or zero-cavity guns:a. Relieve system hydraulic pressure and disable the gun. Refer to

Safety.

b. Remove the module from the manifold body by unscrewing the twosocket-head screws from the front of the module.

c. Re-pressurize the system, then place the gun into operation.

d. Dispense hot melt from the port(s) in the manifold body by manuallytriggering the gun solenoid valve. If necessary, increase the pumpoutput in small increments.

e. Stop dispensing when the hot melt is clear and free of foreignmaterial.

6. Check for leaks between the gun, hose, and melter.




S Reinstall the nozzle(s). Tighten the nozzle to no morethan 4.5 NSm (30 in.-lb).

S Reinstall the module(s). Tighten the socket-head screwsto 3.3 NSm (30 in.-lb).

The system in now ready for routine operation. Refer to the melter productmanual for operating instructions.

Adjusting Zero-Cavity ModulesZero-cavity guns are equipped with a micro-adjuster that allows the nozzleflow rate to be decreased approximately 30% from the maximum flow rateset at the factory.

1. Relieve system hydraulic pressure and disable the gun. Refer to Safety.

2. See Figure 11. Loosen the bottom locking nut (1).

4201100A

2

1

3

4

5

8.9 mm(0.35 in.)

Figure 11 Microadjuster

1. Bottom locking nut2. Flow rate adjusting nut3. Load screw

4. Top locking nut5. DO NOT ADJUST

3. Hold the load screw (3) in-place and loosen the top locking nut (4).

Series H-200 Guns22


Adjusting Zero-Cavity Modules (contd)

WARNING: System pressurized! Relieve system pressure beforeattempting to adjust the gun. If the micro-adjuster is unscrewed too far, hotmelt can be released under pressure. Failure to relieve system pressurecan result in personal injury.

4. Adjust the flow rate.

S To decrease the flow rate, turn the flow-rate adjusting nut (2)clockwise.

S To increase the flow rate, turn the flow-rate adjusting nutcounter-clockwise.

NOTE: Each quarter-turn of the adjusting nut (clockwise) reduces thestroke of the module by .0254 mm (.001 in.).

5. Tighten the top and bottom locking nuts.

6. Check the flow rate. If necessary, repeat steps one through five.

TroubleshootingWARNING: Allow only personnel with appropriate training and experienceto operate or service the equipment. The use of untrained or inexperiencedpersonnel to operate or service the equipment can result in injury, includingdeath, to themselves and others, and damage to the equipment.

Troubleshooting TableThe following table lists the problems that are most likely to occur withH-200 guns, the possible causes of each problem, and steps for correctiveaction. Where applicable, cross-references are made to expandeddiagnostic procedures (DP), which are provided later in this section, or toother sections of this manual.



Problem Possible Cause Corrective Action

1. No adhesive flowfrom any module of amulti-module gun orfrom a single-modulegun

Adhesive level low Add adhesive.

No input power Connect power to the melter andauxiliary devices. Make sure that alldisconnect switches or circuitbreakers are on.

Melter, hose, or gun temperaturesetting is too low

Adjust. Refer to the melter productmanual.

System is not at operatingtemperature

Verify that the READY light is on andthe hot melt is molten.

Insufficient air pressure to thepiston pump

Verify air pressure by flushing thefilter. Refer to the melter productmanual.

--or-- --or--

Melter motor not operating Verify motor operation. Refer to themelter product manual.

No air supply to the solenoid valve Check the plant air supply pressure.

Solenoid valve has failed Check the solenoid valve and replaceit if defective. Refer to DP1.

Hose is clogged Replace the hose.

Nozzle is clogged Check the nozzle. Refer to DP2.

Module has failed Check for correct module operation.Refer to DP3.

Dirty or faulty triggering device Clean or replace the triggeringdevice.

Faulty encoder Test the encoder and replace ifdefective.

2. No adhesive flowfrom some modules ina multi-module gun

Nozzle is clogged Check the nozzle. Refer to DP2.

Module has failed Check the module for correctoperation. Refer to DP3.

3. Adhesive or air flowsfrom bleed hole

Air or adhesive seals have failed. Replace or rebuild the module. Referto Repair and Parts.

Continued...

Series H-200 Guns24


Troubleshooting Table (contd)

Problem Possible Cause Corrective Action

4. Modules nottriggering at the sametime on multi-modulegun

Gun loading screw is not properlyset

Contact Nordson technical support.

Module has failed Check the module for correctoperation. Refer to DP3.

5. Gun fails to heat orunderheats

No power Check that the melter is on. Refer tothe melter product manual.

Gun temperature setting is too low Adjust the temperature setting. Referto the melter product manual.

Failed gun heater (open or short) Check for an open heater circuit.Refer to DP4.

Failed gun RTD (open or short) Check RTD resistance. Refer toDP5.

6. Gun overheats Melter, hose, or gun temperaturesetting is too high

Adjust the setting. Refer to themelter product manual.

Shorted RTD (unit should shutdown)

Check resistance of the RTD. Referto DP5.

Short in the heater control circuit Troubleshoot the melter. Refer to themelter product manual.

Diagnostic ProceduresThe following diagnostic procedures (DPs) are referenced in theTroubleshooting Table.



DP1. Check the Solenoid Valve1. Place the system into operation.

2. Trigger the gun using the timer or pattern control.

S Adhesive flows: Normal indication. Return to the TroubleshootingTable.

S No adhesive flow: Go to step 3.

3. Manually trigger the gun at the solenoid valve.

S Adhesive flows: Normal indication. Return to the TroubleshootingTable.

S No adhesive flow: Go to step 4.

4. Check the solenoid coil for continuity.

S Continuity ok: Normal indication. Return to the TroubleshootingTable.

S No continuity: Failed solenoid valve. Replace the solenoid valve.Refer to Repair.

NOTE: Verify that the type of solenoid valve being used has a ratedservice temperature above 85 _C (185 _F).

DP2. Check for a Clogged Nozzle or ModuleUse the following procedure to check an H-200 gun with an extrusion-typenozzle.

NOTE: Zero- and reduced-cavity nozzles are not removable.

1. Disable the gun. Refer to Safety.

2. Remove the nozzle.

3. Place the gun back into operation.

4. Trigger the gun.

S Adhesive flows: Normal indication. Clean the nozzle. Refer toMaintenance.

S No adhesive flow: The module is clogged. Replace or rebuild themodule. Refer to Repair.

4201095A

Series H-200 Guns26


DP3. Check Module OperationNOTE: This procedure assumes that the triggering device and solenoidvalve are functioning normally.

1. See Figure 12. Insert a small Allen wrench or similar probe into the topof the module.

2. Manually trigger the gun at the solenoid valve.

S The probe moves up and down: Normal indication. Return to theTroubleshooting Table.

S The probe does not move: Possible failed module. Replace orrebuild the module. Refer to Parts.

Figure 12 Checking ModuleOperation

DP4. Check the Heater1. Disable the gun. Refer to Safety.

2. Unplug the gun’s cordset from the hose.

3. See Figure 13. Test for continuity across the gun heater circuit(pins 1 and 2).

S Continuity ok: Normal indication. Return to the TroubleshootingTable.

S No continuity: The heater is defective. Replace the heater. Refer toRepair.

4201096A

1

23

5

HEATER

HEATER

RTD

RTD

GND

5

4

2

3

1

4

Figure 13 Gun Cordset Pins



DP5. Check the RTD1. Disable the gun. Refer to Safety.

2. Unplug the gun’s cordset from the hose.

3. Allow the gun to reach room temperature or use a pyrometer todetermine the temperature of the gun.

4. See Figure 13. When the gun temperature is known, measure theresistance across the RTD circuit (pins 3 and 5).

5. Refer to Figure 14 to determine the expected resistance of the RTD atthe known temperature. Compare the expected and measuredresistance values.

S The measured resistance is within the expected range: Normalindication. Return to the Troubleshooting table.

S The measured resistance is not within the expected range: The RTDis defective. Replace the RTD. Refer to Repair.

Series H-200 Guns28


DP5. Check the RTD(contd)

4207045B

250

240

230

220

210

200

190

180

170

160

150

140

130

RESISTA

NCEIN

OHMS

310

300

290

280

270

260

250

240

230

350

340

330

320

RESISTA

NCEIN

OHMS

TEMPERATURE

TEMPERATURE

16 _C 23 _C 30 _C 37 _C 44 _C 52 _C 59 _C 66 _C 73 _C 81 _C 88 _C 95 _C 102 _C 109 _C 117 _C60 _F 73 _F 86 _F 99 _F 112 _F 125 _F 138 _F 151 _F 164 _F 177 _F 190 _F 203 _F 216 _F 229 _F 242 _F

268 _F 281 _F 294 _F 307 _F 320 _F 333 _F 346 _F 359 _F 372 _F 411 _F 424 _F 437 _F 450 _F385 _F 398 _F131 _C 138 _C 146 _C 153 _C 160 _C 167 _C 174 _C 182 _C 189 _C 196 _C 203 _C 211 _C 218 _C 225 _C 232 _C

Figure 14 RTD Resistance vs. Temperature



MaintenanceTable 4 provides the recommended schedule for H-200 gun maintenance.Detailed procedures for weekly and semi-annual maintenance tasks arepresented in the remainder of this section.

Table 4 H-200 Gun Maintenance Schedule

Frequency Task Notes

Daily Remove hot melt and char from the exterior of the gun assembly. —

Weekly Clean the gun nozzle(s). A, By

Clean or replace the integral filter. B

Semi-annually Inspect the gun wiring. —

NOTE A: Nordson recommends the use of nozzle cleaning kit part 901915.

B: Process-specific nozzle and filter performance history may indicate the need for more or less frequentnozzle or filter cleaning.

Nozzle CleaningGun nozzles may become clogged when char, a by-product of overheatingthe hot melt, becomes lodged in the nozzle. The use of inline or integralfilters will significantly reduce nozzle clogging.

CAUTION: Do not attempt to clean zero- or reduced-cavity modules.Replace or exchange clogged zero- or reduced-cavity modules. Contactyour Nordson representative for information on Nordson’s Trade Plustprogram.

1. Ensure that the gun is at operating temperature.

2. Disable the gun. Refer to Safety.

3. See Figure 15. Remove the nozzle.

4201055

Figure 15 Removing the Nozzle

Series H-200 Guns30


Nozzle Cleaning (contd)

WARNING: Risk of fire. Do not heat Nordson Type R fluid above 245 _C(475 _F). Use only an industrial grade, regulated, electrical heating devicesthat is designed to heat industrial fluids. Personal injury or property damagecan result if Type R cleaning fluid is heated with an open flame or anunregulated heating device.

4. Soak the nozzle(s) in Nordson Type R cleaning fluid that has beenheated above the melting point of the hot melt.

5. Remove the nozzle(s) from the cleaning fluid.

CAUTION: Use the correct size precision pin probe to clean Nordsonnozzles. The use of non-precision or incorrectly sized probes may damagethe nozzle. The Nordson nozzle cleaning kit (P/N 901915) contains avariety of probe sizes.

6. At the outlet of the nozzle, insert a correctly sized cleaning probe.

7. With a clean cloth, firmly grip the cleaning probe, then pull the probe outof the nozzle, wiping the probe clean.

8. Reinstall the nozzle(s). Tighten the nozzle(s) to 4.5 NSm (40 in.-lb).

Integral Filter CleaningTo speed integral filter maintenance, Nordson recommends that spare filterassemblies (P/N 276754) be kept in stock.

1. Ensure that the gun is at operating temperature.

2. Set the pump output to zero, then trigger the gun until the flow of hotmelt stops.

3. See Figure 16. Open the drain valve over a catch pan.

4201104A

Figure 16 Opening the Drain Valve



4. Increase the pump output until hot melt flows from the drain.

5. When the hot melt flow is clear, turn the pump off.

6. Relieve system hydraulic pressure and disable the gun. Refer to Safety.

7. See Figure 17. Remove the filter assembly from the manifold body.

4201101A

Figure 17 Removing the Filter Assembly

8. See Figure 18. Disassemble the filter.

4201103A

Figure 18 Filter Components

Series H-200 Guns32


Integral Filter Cleaning (contd)

WARNING: Risk of fire! Do not heat Nordson Type R fluid above 245 _C(475 _F). Use only an industrial grade, regulated, electrical heating devicesthat is designed to heat industrial fluids. Personal injury or property damagecan result if Type R cleaning fluid is heated with an open flame or with anunregulated heating device.

9. Soak the filter components in Nordson Type R cleaning fluid that hasbeen heated above the melting point of the hot melt.

10. Use a non-metallic fine-bristled brush to gently scrub the filter screen.Replace the screen if the mesh is dented or torn.

11. Inspect the O-ring for damage (cuts, nicks, or hardening). Replace theO-ring if it is damaged.

12. Reassemble the filter.

CAUTION: Risk of filter damage. Ensure that the gun is at operatingtemperature before reinstalling the filter assembly. Solidified hot melt on thewalls of the manifold body can cause the filter screen to collapse if the filteris tightened into a cold manifold body.

13. Bring the gun up to operating temperature.

14. Reinstall the filter assembly, finger tight.

15. Repressurize the system and place the gun back into operation.

16. Increase the pump output until hot melt flows from the drain.

17. Reduce the pump output to zero.

18. Fully tighten the filter assembly.

19. Close the drain valve.

20. Place the system back into operation.

4201046



Inspecting the Gun Wiring1. De-energize the system. Refer to Safety.

2. See Figure 19. Remove the manifold body cover.

3. Check the internal gun wiring for signs of damage and the terminal blockconnections for tightness.

CAUTION: Ensure that the cover gasket on waterwash-style guns is ingood condition and properly positioned before replacing the manifold bodycover.

4. Replace the manifold body cover.

Figure 19 Removing the ManifoldBody Cover

RepairThis section describes the following H-200 gun repair procedures:

S Replacing the RTD or HeaterS Replacing the ModuleS Replacing the Manifold BodyS Replacing the Solenoid Valve

Refer to Parts for the repair kits and individual components mentioned inthis section.

Replacing the RTD or HeaterRTDs are hardwired through the gun cordset. If an RTD fails, Nordsonrecommends that the entire gun cordset be replaced. Heaters areterminated inside the manifold body and can be replaced individuallywithout replacing the entire cordset.

The following procedure describes the replacement of an RTD by replacingthe entire cordset. Instructions for replacing a heater are also included. Toreplace an RTD without replacing the entire cordset, use the appropriateRTD replacement kit listed in Parts. The kits contain detailed replacementinstructions.

Series H-200 Guns34


Accessing the RTD or Heater1. De-energize the system and disable the gun. Refer to Safety.

2. See Figure 20. Unplug the gun cordset from the hose.

NOTE: Step 3 and 4 are not necessary if the gun is easily accessibleand can be serviced without the need to disconnect the hose.

3. (Optional) Relieve system hydraulic pressure. Refer to Safety.

4. (Optional) Using two wrenches, disconnect the hose from the gun.

5. Remove the manifold body cover.

Figure 20 Accessing the RTD or Heater

Replacing the RTD or Heater1. See Figure 21. Remove the RTD or heater from the manifold body.

4201098A1 2

3

4

Figure 21 Gun Wiring

1. Heater2. RTD

3. Terminal Block4. Ground lead



2. Disconnect the cordset leads from the terminal block. If the heater isbeing replaced, disconnect the heater leads from terminal block.

3. See Figure 21. Do one of the following:

To replace the RTD:a. Disconnect the ground lead from the manifold body.

b. Remove the cordset from the manifold body cover and replace it witha new cordset. Tighten the cordset locking nut or threaded tensionrelief.

c. Reconnect the ground lead to the manifold body.

To replace the heater:a. If necessary, trim the leads of the new heater to match the leads of

the old heater.

b. Coat the heater with heat-conductive paste (P/N 257 326), theninsert the heater into the manifold body.

c. Insert each heater lead into the terminal block and tighten theterminal block screws. Wire dual heaters in parallel.

NOTE: Refer to Parts for spare terminal blocks.

d. Insert the heater leads from the cordset into the terminal block andtighten the terminal block screws.

Restoring the System to Normal Operation

CAUTION: Ensure that the cover gasket on waterwash-style guns is ingood condition and properly positioned before replacing the manifold bodycover.

1. Replace the manifold body cover.

2. If the hose was removed earlier, use two wrenches to connect the hoseto the gun.

3. Plug the gun cordset into the hose.

4. Restore the system to normal operation. Refer to the melter productmanual.

Series H-200 Guns36


Replacing the Module1. Ensure that the gun is at operating temperature.

2. De-energize the system and disable the gun. Refer to Safety.

3. See Figure 22. Remove the module from the manifold body byunscrewing the two socket-head screws from the front of the module.Remove the nozzle if it will be reused.

4201099A

Figure 22 Removing the Module

CAUTION: Do not allow adhesive to enter the module air passages.Adhesive that enters the air passages will obstruct the flow of air anddamage the module.

4. Carefully remove any residual hot melt from the module mounting face.

NOTE: If hot melt does enter the air passages, temporarily place thegun into operation, shield the operator, then trigger the gun to expel thehot melt from the air passages.

5. Remove the O-rings from the new module.

6. Lubricate and replace the O-rings.

7. Apply anti-seize compound to the module mounting screws, thenreinstall the module on the manifold body. Tighten the screws to3.3 NSm (30 in.-lb).

8. Install the old nozzle or a new replacement nozzle. Tighten the nozzleto 4.5 NSm (40 in.-lb).

9. Restore the system to normal operation.

Replacing the Manifold BodyRefer to the instruction sheet (P/N 108575) included with the replacementmanifold body.

Replacing the Solenoid ValveRefer to the instruction sheet (P/N 237513) included with the Nordsonreplacement valve.



PartsTo order parts, call the Nordson Customer Service Center or your localNordson representative. Refer to the following parts lists when ordering.

Accessories and Service Parts

Part Description Note901915 Nozzle cleaning kit272393 Blank body, H-200 gun module174900 Gasket, waterwash939994 Connector assembly, plastic, 1-station (terminal block) A939586 Connector assembly, plastic, 2-station (terminal block)939320 Connector assembly, plastic, 3-station (terminal block)257326 Paste, Insulating900341 Never-Seez273634 Cuff, insulating, 64 mm (21/2 in.)273635 Cuff, insulating, 51 mm (2 in.)274429 Cuff, insulating, 44 mm (13/4 in.)

NOTE A: Eyelets and 2-station terminal blocks are included in RTD replacement kits.

Cordsets and RTDsType of Gun Cordset Kit RTD Kit

RTD guns using terminal blocks (these guns are designed to meet CEstandards)

223801A 274783C

RTD waterwash guns with an Amphenol gun plug 276770B 226770C

NOTE A: Includes RTD and eyelets.

B: Includes RTD.

C: Includes terminal blocks and eyelets.

Seal Rebuilding KitsReplacement modules are available as new or rebuilt parts. ContactNordson’s Customer Service Center for information on rebuilt modules thatare available through the Nordson’s Trade Plust program. Refer to GunReplacement Modules later in this section for new module part numbers.

Part Description Note272818 Seal rebuild kit, H-200 module A142753 Seal rebuild kit, H-200 module B161414 Seal rebuild kit, H-200 module B, C343813 Seal rebuild kit, H-200 module D

NOTE A: Rebuilds one module

B: Rebuilds 10 modules

C: used for reduced- and zero-cavity nozzles.

D: Rebuilds 50 modules

Series H-200 Guns38


FiltersNordson filters are designed for use with packaging grade hot meltprocessed at viscosities below 10,000 cps. Refer to Nordson’s Adhesivesand Sealants Equipment Guide for information on Nordson’s line of Saturnand in-line filters.

Refer to Table 5 to select the appropriate filter mesh size based on theorifice diameter of the nozzle being used. Refer to Table 6 for Saturn filterpart numbers and Table 7 for standard in-line filter part numbers. Table 8provides filter service parts.

Table 5 Selection Chart

If the Nozzle Orifice Diameter is... ...use afilter with a...

50 Mesh(.30 mm)Screen





Table 6 Saturn Filter Assemblies and Replacement Filters

Description Fitting Type

Saturn Filter Assembly O-Ring 1/4 NPT

Straight filter, 0.30 mm (0.0117 in.), 50 mesh 1007033 —



90_ filter, 0.30 mm (0.0117 in.), 50 mesh 1007230 —

90_ filter, 0.15 mm (0.0059 in.), 100 mesh 1007231 —

90_ filter, 0.7 mm (0.0029 in.), 200 mesh 1007232 —

45_ filter, 0.30 mm (0.0117 in.), 50 mesh 1007233 —

45_ filter, 0.15 mm (0.0059 in.), 100 mesh 1007234 —

45_ filter, 0.07 mm (0.0029 in.), 200 mesh 1007235 —

Saturn Replacement Filters

Filter element, 0.30 mm (0.0117 in.), 50 mesh (2 pack) 1007036






Table 7 In-line Filter Assemblies and Replacement Filters

Description Fitting Type

In-line Filter Assemblies O-Ring 1/4 NPT

Straight filter, 0.28 mm (0.011 in.), 50 meshStraight filter, 0.15 mm (0.006 in.), 100 mesh

274 290274 291

271 658271 659

Straight filter, 0.08 mm (0.003 in.), 200 mesh45_ filter, 0.28 mm (0.011 in.), 50 mesh45_ filter, 0.15 mm (0.006 in.), 100 mesh

274 292274 989274 990

271 595804 123274 988

45_ filter, 0.08 mm (0.003 in.), 200 mesh90_ filter, 0.28 mm (0.011 in.), 50 mesh

274 991274 287

804 125273 415

90_ filter, 0.15 mm (0.006 in.), 100 mesh 274 288 273 414

In-line Replacement Filters

Filter element, 0.28 mm (0.011 in.), 50 Mesh — 271 598



90_ filter, 0.08 mm (0.003 in.), 200 mesh 274 289 273 413

Series H-200 Guns40


Filters (contd)

Table 8 Filter Service Parts

Part Description

945032 O-ring, Viton, 3/8 in.

806724 Adapter, O-ring to 1/4 in. NPT fitting (converts an O-ring-type filter to an NPT-type filter)

126134 Service kit, washer, in-line filter

Manifold Bodies, Heaters, and Integral FiltersNOTE: CTRS stands for centerlines and CA stands for common air.

Table 9 Manifold Bodies, Heaters, and Integral Filters

Description ManifoldBody Heater Integral

Filter Notes

H-201 274593 938123 (1) — —

H-201 vertical filter 276762 938159 (2) 161130 D

H-201 water-resistant 276720 938123 (1) — A

H-202, 0.88 in. CTRS, CA 714990 810000 (1) — —

H-202, 1.5 in. CTRS, CA 809559 810000 (1) — —

H-202, 2.31 in. CTRS, CA 274571 938124 (1) — —

H-202, 2.31 in. CTRS, CA, water-resistant 276721 938124 (1) — A

H-202, 0.88 in. CTRS, CA, low-profile 276443 938149 (2) — B



H-202, 6.31 in. CTRS, CA 274574 938125 (1) — —

H-203, 0.88 in. CTRS, CA 804710 715203 (1) — —

H-204, 0.88 in. CTRS, CA 715490 938122 (1) — —

H-204, 1.31 in. CTRS, CA 714644 710669 (1) — —

H-204, 1.5 in. CTRS, CA 714988 702409 (1) — —

H-204, 0.88 in. 1.5 in., 0.88 in. CTRS, CA 274572 938126 (1) — —

H-204, 0.88 in. 1.5 in., 0.88 in. CTRS, CA, filtered 815722 815888 (1) 815672 E

H-204, 0.88 in. 1.5 in., 0.88 in. CTRS, CA,water-resistant

276722 938126 (1) — A

H-204, 0.88 in. CTRS, CA, low-profile 276536 938152 (2) — C

H-206, 0.88 in. CTRS, CA 714525 702409 (1) — —

H-206, 1.5 in. CTRS, CA 714750 938132 (1) — —

H-208, 0.88 in. CTRS, CA 715472 938124 (2) — —

Continued on next page



Description ManifoldBody Heater Integral

Filter Notes

H-208, 3 in. x 0.88 in, 1.5 in, 3 in. x 0.88 in. CTRS, CA 274573 938132 (1) — —

H-208, 3 in. x 0.56 in, 2.12 in, 3 in. x 0.56 in. CTRS, CA,low-profile

274576 938128 (2) — —

Filter Service Kit

Kit, Service, Filter assembly H-201 276754

NOTE A: Two (2) gaskets part 174900, required.

B: One (1) each of gaskets part 174891 and part 174892 required.

C: One (1) each of gaskets part 174893 and part 174894 required.

D: Bung part 276758 required.

E: Bung part 815673 required.

Gun Replacement Modules

Table 10 Gun Replacement Modules

Item Part Description

— 276119 Module, H-200 adjustable (3/8-24 NPS module seat thread)

— 117713 Module, H-200 reduced-cavity, 0.008 in.




— 276515 Module, H-200 zero-cavity, 0.008 in.






— 109486 Module, zero-cavity, 0.012 in., case sealing

— 222495 H-200 module, right-angle

Series H-200 Guns42


Solenoid ValvesTable 11 lists solenoid valves suitable for use at service temperatures above85_C (185_F). Table 12 lists solenoid valves accessories.

Table 11 Solenoid Valves

Type ofSolenoidValve

PartNumber Description Cv Watts Amps Note

ISI/Nordson 125343 24 VDC, 1/8 NPT, quick-disconnect (QD), piloted 0.5 2.9 0.12

125346 120 VAC, 1/8 NPT, QD, piloted 0.5 3.1 0.03

125344 24 VDC, 1/4 NPT, QD, piloted 1.2 2.9 0.12



3-Way 901138 24 VDC, 1/8 NPT, QD, direct 0.18 6 0.25 A

901081 Dual AC/DC, 1/8 NPT, 1/2 in. NPS conduit, direct 0.18 6 0.25 A, B

901130 24 VDC, 1/8 NPT, 18 AWG, direct 0.18 6 0.25 A

810283 24 VDC, 1/4 NPT, QD, direct 0.5 24 1

816373 Dual AC/DC, 1/4 NPT, QD, direct 0.5 24 1 B

901092 24 VDC, 1/4 NPT, 18 AWG, direct 0.5 24 1

901149 240 VAC, 50/60 Hz, 1/4 NPT, QD, direct 0.5 6.5 1

901155 24 VDC, 1/4 NPT, QD, direct 0.5 8.5 0.35

901173 24 VDC, 1/4 NPT, QD, waterwash 0.5 24 1

4-Way 303010 24 VDC, 1/4 NPT, QD with (LED), piloted 0.88 5.4 0.23 C

303012 24 VDC, 1/4 NPT, QD, piloted 0.88 5.4 0.23 C

303013 24 VDC, 1/4 NPT, QD with LED, waterwash,piloted

0.88 5.4 0.23 C

303014 120 VAC, 1/4 NPT, QD, piloted 0.88 2.9 0.39 C

303015 24 VDC, 1/4 NPT, QD, piloted 1.33 8.5 0.35 C

303016 24 VDC, 1/4 NPT, QD with LED, piloted 1.33 8.5 0.35 C

NOTE A: Solenoid valves with less than 0.5 Cv restrict gun performance and result in significantly higher air sectionfailures in Nordson conformance tests.

B: 24 VDC or 115 VAC.

C: A 4-way valve may be plugged with a 1/4 NPT pipe plug for use as a high-speed 3-way valve.



Table 12 Solenoid Valve Accessories

Item Part Description Quantity Note

1 241040 Muffler, air, 1/8 NPT —

2 231266 Silencer, 1/8 NPT x 2.31 in. long —

3 231262 Kit, quick-disconnect fitting, 1/4 NPT —

NS 231260 Installation kit, 800 Series solenoid valve — A

NS 231261 Installation kit, 400 Series solenoid valve — A

NOTE A: Use this installation kit to plug a 4-way solenoid valve for use as a high-speed 3-way valve.

NS: Not Shown

4296019A

213

Figure 23 Air Muffler, Silencer, and Quick Disconnect Fitting

Specifications

Item Specification Note

Operating temperature 230_C (450_F) maximum

Working hydraulic pressure 10.34 MPa (1,500 psi) maximum

Operating air pressure 340 to 480 kPa (40 to 70 psi) A

Operating speed exceeds 4,200 cycles per minute

Nozzles 238 XXX, right-angle, and Saturn precision nozzles

Electrical service 240 VAC, 50/60 Hz200 VAC, 50/60 Hz (optional for low-voltage areas)

Approvals andcertifications

Underwriter’s Laboratories (UL), TÜV Rheinland of NorthAmerica, Conformité Européenne (CE)

NOTE A: Use dry, regulated, and unlubricated air for consistent gun operation.

Series H-200 Guns44


Series H-200 Guns - Nordsonemanuals.nordson.com/adhesives/English_Manuals/104457.pdf · Series...

Documents

Transcript of Series H-200 Guns - Nordsonemanuals.nordson.com/adhesives/English_Manuals/104457.pdf · Series...