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NORDSON CORPORATION • DULUTH, GEORGIA • USAwww.nordson.com
e.dot� Gun
Customer Product ManualPart 1041250E02
Issued 9/06
Part 1041250E02 � 2006 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 Drive
Duluth, GA 30097
Notice
This is a Nordson Corporation publication which is protected by copyright. Original copyright date 2003.No part of this document may be photocopied, reproduced, or translated to another language without the prior written
consent of Nordson Corporation. The information contained in this publication is subject to change without notice.
Trademarks
AccuJet, AeroCharge, Apogee, AquaGuard, Asymtek, Automove, Baitgun, Blue Box, CanWorks, Century, CF, Clean Coat, CleanSleeve, CleanSpray,ColorMax, Control Coat, Coolwave, Cross-Cut, Cyclo-Kinetic, Dispensejet, DispenseMate, DuraBlue, Durafiber, Dura-Screen, Durasystem, Easy Coat,Easymove Plus, Ecodry, Econo-Coat, e.dot, EFD, e stylized, ETI, Excel 2000, Fillmaster, FlexiCoat, Flexi-Spray, Flex-O-Coat, Flow Sentry, Fluidmove,FoamMelt, FoamMix, Heli-flow, Helix, Horizon, Hot Shot, iControl, iFlow, Isocoil, Isocore, Iso-Flo, iTRAX, Kinetix, Little Squirt, LogiComm, Magnastatic,
March, MEG, Meltex, Microcoat, Micromark, MicroSet, Millennium, Mini Squirt, Mountaingate, MultiScan, Nordson, OptiMix, Package of Values, Pattern View, PermaFlo, Plasmod, Porous Coat, PowderGrid, Powderware, Printplus, Prism, ProBlue, Pro-Flo, ProLink, Pro-Meter, Pro-Stream, RBX,
Rhino, Saturn, Scoreguard, Seal Sentry, Select Charge, Select Coat, Select Cure, Slautterback, Smart-Coat, Solder Plus, Spectrum, Speed-Coat,SureBead, Sure Clean, Sure Coat, Sure-Max, TRAK, Tracking Plus, Trends, Tribomatic, Ultra, Ultrasaver, UpTime, Vantage, 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, AltaBlue, AquaCure, ATS, Auto-Flo, AutoScan, Best Choice, Blue Series, Check Mate,Classicblue, Colo-on-Demand, Controlled Fiberization, Control Weave, CPX, DispensLink, Dry Cure, DuraBraid, DuraCoat, DuraDrum, DuraPail,
Easy Clean, EasyOn, Eclipse, E-Nordson, Equi=Bead, ESP, Fill Sentry, G−Net, G−Site, HDLV, iON, Iso-Flex, iTrend, Lacquer Cure, Lean Cell, Maverick,Maxima, MicroFin, MicroMax, MiniBlue, MiniEdge, Minimeter, Multifil, Myritex, OptiStroke, PatternPro, PCI, Powder Pilot, Powercure, Primarc,
Process Sentry, Prodigy, Pulse Spray, Quad Cure, Ready Coat, Royal Blue, Select Series, Sensomatic, Shaftshield, SheetAire, Smart, SolidBlue, Spectral, Spectronic, SpeedKing, Spray Works, Summit, Sure Brand, SureMix, SureSeal, Sure Wrap, Swirl Coat, Tempus, ThruWave, Trade Plus,
TrueBlue, Ultrasmart, Universal, VersaDrum, VersaPail, 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.
Viton is a registered trademark of DuPont Dow Elastomers. L.L.C.
Table of Contents i
Part 1041250E02� 2006 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 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation Practices 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Practices 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance and Repair Practices 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Safety Information 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment Shutdown 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Safety Warnings and Cautions 7. . . . . . . . . . . . . . . . . . . . . . . . . Other Safety Precautions 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . First Aid 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Labels and Tags 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Intended Uses 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unintended Uses 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Auxiliary Devices and Spare Parts 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation Guidelines 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic Connections 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting the Gun 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mounting the Gun Driver/Pattern Control 16. . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting the Hose 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Hose Cordsets 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting an EPC-30 to the e driver2, 3, or 4 (Optional) 21. . . . . . . . . . . .
Operation 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Melter Adjustment 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driver Electrical Adjustment 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
e driver and e driver2, 3, and 4 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LA4400 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dot Size Adjustment 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . e driver and e driver2, 3, and 4 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LA4400 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pattern Control Adjustment 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EPC-30 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LA4400 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stroke Adjustment 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Part 1041250E02 � 2006 Nordson Corporation
Troubleshooting 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting Table 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning/Replacing the Nozzle and the Armature 28. . . . . . . . . . . . . . . . . . . Rezeroing the Gun 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Changing the Filter 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the Cordset 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing the Cordset 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . e.dot Gun Components 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gun Service Kits 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nozzles 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Filters 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . e.dot Small Diameter Hoses 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . e drivers 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . e driver cables 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gun Specifications 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gun Dimensions 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gun Wiring Diagram 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cable Wiring Diagrams 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Part 1041250E02� 2006 Nordson Corporation
e.dot Gun
Safety Read 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”). Additionalsafety information, in the form of task-specific safety alert messages,appears as appropriate throughout this document.
WARNING: Risk of Burns! Do not remove the nozzle when the system ispressurized. Removing the nozzle when the system is pressurized willcause hot melt to free-flow from the gun. Relieve system pressure beforeremoving the nozzle. Failure to relieve system pressure can result inpersonal injury.
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 Symbols The 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.
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Part 1041250E02 � 2006 Nordson Corporation
Responsibilities of the Equipment Owner Equipment 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 Information � 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.
� Make safety information available to equipment users in accordancewith governing regulations. Contact the authority having jurisdiction forinformation.
� Maintain safety information, including the safety labels affixed to theequipment, in readable condition.
Instructions, Requirements, and Standards � Ensure that the equipment is used in accordance with the information
provided in this document, governing codes and regulations, and bestindustry practices.
� 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.
� Provide appropriate emergency and first aid equipment.
� Conduct safety inspections to ensure required practices are beingfollowed.
� Re-evaluate safety practices and procedures whenever changes aremade to the process or equipment.
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Part 1041250E02� 2006 Nordson Corporation
User Qualifications Equipment owners are responsible for ensuring that users:
� receive safety training appropriate to their job function as directed bygoverning regulations and best industry practices
� are familiar with the equipment owner’s safety and accidentprevention policies and procedures
� 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
� possess industry- and trade-specific skills and a level of experienceappropriate to their job function
� 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 Practices The 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 Equipment � Use the equipment only for the purposes described and within the limits
specified in this document.
� Do not modify the equipment.
� 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.
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Part 1041250E02 � 2006 Nordson Corporation
Instructions and Safety Messages � Read and follow the instructions provided in this document and other
referenced documents.
� 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.
� If you are unsure of how to use the equipment, contact your Nordsonrepresentative for assistance.
Installation Practices � Install the equipment in accordance with the instructions provided in this
document and in the documentation provided with auxiliary devices.
� 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.
� If the required installation configuration does not match the installationinstructions, contact your Nordson representative for assistance.
� Position the equipment for safe operation. Observe the requirements forclearance between the equipment and other objects.
� Install lockable power disconnects to isolate the equipment and allindependently powered auxiliary devices from their power sources.
� Properly ground all equipment. Contact your local building codeenforcement agency for specific requirements.
� Ensure that fuses of the correct type and rating are installed in fusedequipment.
� Contact the authority having jurisdiction to determine the requirement forinstallation permits or inspections.
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Part 1041250E02� 2006 Nordson Corporation
Operating Practices � Familiarize yourself with the location and operation of all safety devices
and indicators.
� Confirm that the equipment, including all safety devices (guards,interlocks, etc.), is in good working order and that the requiredenvironmental conditions exist.
� 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.
� Do not use equipment that is malfunctioning or shows signs of apotential malfunction.
Maintenance and Repair Practices � Perform scheduled maintenance activities at the intervals described in
this document.
� Relieve system hydraulic and pneumatic pressure before servicing theequipment.
� De-energize the equipment and all auxiliary devices before servicing theequipment.
� Use only new factory-authorized refurbished or replacement parts.
� 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.
� Confirm the correct operation of all safety devices before placing theequipment back into operation.
� Dispose of waste cleaning compounds and residual process materialsaccording to governing regulations. Refer to the applicable MSDS orcontact the authority having jurisdiction for information.
� Keep equipment safety warning labels clean. Replace worn or damagedlabels.
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Part 1041250E02 � 2006 Nordson Corporation
Equipment Safety Information This equipment safety information is applicable to the following types ofNordson equipment:
� hot melt and cold adhesive application equipment and all relatedaccessories
� pattern controllers, timers, detection and verification systems, and allother optional process control devices
Equipment Shutdown To 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.
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 to theappropriate regulation or standard.
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Part 1041250E02� 2006 Nordson Corporation
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 Cautions Table 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)
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Part 1041250E02 � 2006 Nordson Corporation
General Safety Warnings and Cautions (contd)
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, clothing thatprotects 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.
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 to disablethe 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.
Continued...
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Part 1041250E02� 2006 Nordson Corporation
Table 1 General Safety Warnings and Cautions (contd)
EquipmentType Warning or Caution
HM, CA, PC
WARNING: Risk of fire or explosion! Nordson adhesive equipment isnot rated for use in explosive environments and should not be usedwith solvent-based adhesives that can create an explosiveatmosphere when processed. Refer to the MSDS for the adhesive todetermine its processing characteristics and limitations. The use ofincompatible solvent-based adhesives or the improper processing ofsolvent-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.
HM
CAUTION: Hot surfaces! Avoid contact with the hot metal surfaces ofguns, hoses, and certain components of the melter. If contact can notbe avoided, wear heat-protective gloves and clothing when workingaround heated equipment. Failure to avoid contact with hot metalsurfaces 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.
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Part 1041250E02 � 2006 Nordson Corporation
Other Safety Precautions � Do not use an open flame to heat hot melt system components.
� Check high pressure hoses daily for signs of excessive wear, damage,or leaks.
� Never point a dispensing handgun at yourself or others.
� Suspend dispensing handguns by their proper suspension point.
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.
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Part 1041250E02� 2006 Nordson Corporation
Safety Labels and Tags Figure 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.
1
2
Figure 1 Safety labels and tags
Table 2 Safety Labels and Tags
Item Part Description
1N/A WARNING: Hot surface! Before touching the gun body, allow the gun to
cool or wear heat protective gloves Failure to allow the gun body to1 cool, or wear heat-protective gloves. Failure to allow the gun body tocool or to wear heat-protective gloves may cause personal injury.
2600137 WARNING: Disconnect power and remove system pressure before
disassembly or maintenance. Failure to follow these instructions mayresult in serious personal injury.
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Part 1041250E02 � 2006 Nordson Corporation
Description The e.dot gun is a compact, high-speed, precision hot melt adhesive gunthat is designed for use in applications requiring small dots of adhesive.
The e.dot gun is used with the following Nordson components to form anadhesive dot application system:
� Nordson small diameter e.dot hose
� e driver, e driver2, 3, 4 (2, 3, or 4 modules), or the LA4400
� EPC-30 pattern control (optional)
� Interface cables that connect the driver/pattern control to the e.dothose
NOTE: The components listed above are ordered and shipped separatelyfrom the e.dot gun.
Figure 1 illustrates the various combination of drivers/pattern controls (1),cabling (2), small diameter e.dot hot melt hoses (3), and e.dot gunconfigurations (4) that can be assembled to form a complete adhesive dotapplication system.
Intended Uses The e.dot gun is designed for use
� in industrial applications that require the deposition of a precise dot ofhot melt adhesive onto a moving substate
� with small diameter hoses designed and manufactured by NordsonCorporation
� with electric gun drivers and pattern controllers designed andmanufactured by Nordson Corporation
Unintended Uses The e.dot gun is not designed for
� industrial applications that require the deposition of a bead of hot meltadhesive onto a moving substate
� use in explosive environments
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Part 1041250E02� 2006 Nordson Corporation
Auxiliary Devices and Spare Parts e.dot guns should only be connected to approved auxiliary devices. Useonly new Nordson replacement parts or approved factory refurbished parts.
Figure 1 e.dot gun system
3–6 mm(.12–.24 in.)
Nozzle clearance
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Part 1041250E02 � 2006 Nordson Corporation
Installation Complete the following four steps to install an dot application system:
1. Mount the gun
2. Mount the driver/pattern control
3. Connect the hose
4. Connect cordsets
Installation Guidelines Use the following installation guidelines to achieve optimal gunperformance.
Mounting � Mount the gun so that the nozzle will be
3–6 mm (1/8−1/4 in.) from the substrate.
� Use a 9.5 mm (3/8 in.) mounting bar.
� Allow for sufficient room to remove the filter. Filter clearancerequirements are illustrated in Technical Data.
� Provide sufficient space for wrench clearance around the nozzle.
� Mount the gun on a rigid support that is isolated from external vibrationsand that prevents the gun from rotating.
� Insulate the gun from the support using the insulator provided with thegun.
Hydraulic Connections � Use only one fitting to connect the e.dot hose to the e.dot gun.
� Insulate the hose-to-gun joint.
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Part 1041250E02� 2006 Nordson Corporation
Mounting the Gun See Figure 2 and Figure 12 or 13.
1. Slide the gun mounting clamps (1) onto a 9-mm (3/8 in.) mounting bar(2), or disassemble the clamps and reassemble them (with the gun andinsulators) onto the mounting bar. Ensure that the insulator (3) is placedbetween the body of the gun and the clamps.
See Figure 3.
Alternately, you can mount the gun using the two 4.2 mm (0.165 in.)mounting holes provided in the gun body.
2. Securely tighten the mounting clamp.
Figure 2 Mounting the gun on a mounting bar
19.8 mm(0.78 in.)
37.7 mm(1.48 in.)
47.7 mm(1.88 in.)
18.9 mm(0.74 in.)
4.2 mm(0.165 in.)
Figure 3 Alternate gun mounting holes
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Part 1041250E02 � 2006 Nordson Corporation
Mounting the Gun Driver/Pattern Control Refer to the following product manuals for information about how to mountthe gun driver or pattern control.
� P/N 1032578 – e driver
� P/N 1032560 – e driver2, e driver3, and e driver4
� P/N 321232 – LA4400
Connecting the HoseNOTE: Refer to the user’s guide (P/N 1032556) that is shipped with thee.dot hose for information about installing the hose.
CAUTION: Always use two wrenches, one on each fitting to tighten thehose fitting.
See Figure 3.
1. Connect the swivel fitting on the e.dot hose to the fitting located on thetop or rear of the gun body. Tighten securely.
2. Connect the swivel fitting on the opposite end of the hose to the melter.Refer to the product manual provided with the melter for informationabout connecting hoses.
Figure 4 Connecting the e.dot hose to the e.dot gun
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Part 1041250E02� 2006 Nordson Corporation
Connecting Hose Cordsets See Figure 5.
1. Connect the hose cordset to the gun cordset (The gun-end of the hosehas only one cordset.).
Figure 5 Connecting the hose cordset to the gun cordset
See Figure 6.
2. Connect the appropriate interface cable to the hose cordset at themelter-end of the e.dot hose (The melter-end of the hose has twocordsets).
3. Connect the other end of the interface cable to the driver/pattern controlas follows:
LA4400 or e driver2, 3, or 4 — Connect the interface cable plug tothe current mode output receptacle. The interface cable is10 m (33 ft.) in length.
e driver — Connect the fly-lead end of the interface cable to theinput terminal block (removable) that is located on the top of the edriver. Refer to Tables 3, 4 and 5 for wiring information. The interfacecable is 15 m (49 ft.) in length.
NOTE: Extension cable P/N 1041831 can be used to extend thedistance between the driver/pattern control interface cable and the hosecordset by 10 m (33 ft.).
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Part 1041250E02 � 2006 Nordson Corporation
Connecting Hose Cordsets (contd)
Figure 6 Connecting the hose cordset to the driver/pattern control
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Part 1041250E02� 2006 Nordson Corporation
NOTE: The white/black wire pair is not used.
Table 3 Terminal Block Connections for one e.dot gun
Terminal Lead
SHIELD Shield
Blank −
− COIL Red or Black
SERIES −
+ COIL Red or Black
Table 4 Terminal Block Connections for Two e.dot guns
Terminal Purpose
SHIELD Both shields
Blank −
− COIL Gun 1 Red lead (−)
SERIES Gun 1 Red (+) and Gun2 Black (−)
+ COIL Gun 2 Red (+)
Table 5 Terminal Block Connections for Three e.dot guns
Terminal Purpose
SHIELD Shield
Blank −
− COIL Gun 1 Black (−)
SERIES −
+ COIL Gun 3 Red (+)
NOTE: Wire three guns in series: Join Gun 1 Red (+) and Gun 2 Black (−).Join gun 2 Red (+) and Gun 3 Black (−). Use wire nuts or other suitablemeans.
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Part 1041250E02 � 2006 Nordson Corporation
Connecting Hose Cordsets (contd)
See Figure 7.
4. Connect the e.dot hose cordset to the melter.
Refer to the hose user’s guide and/or the melter product manual asneeded.
Figure 7 Connecting the hose cordset to the melter (ProBlue 4 shown)
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Part 1041250E02� 2006 Nordson Corporation
Connecting an EPC-30 to the e driver2, 3, or 4 (Optional) An Eclipse EPC-30 pattern control can be connected to the e driver2, 3, and4 to provide an input signal.
Figure 8 illustrates how to wire an e driver2, 3, and 4, which has an internal24 VDC power supply, to an EPC-30 for a single-gun application.If an e driver2, 3, or 4 without an internal power supply is used, you mustprovide an external 24 VDC power source to the EPC-30.
NOTE: A 24 VDC power supply can be added to e drivers that have nopower supply. Order kit P/N 1032603.
X7
P/N 1044019
Figure 8 Connecting an EPC-30 to the e driver2, 3, or 4 (single gun wiring shown)
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Part 1041250E02 � 2006 Nordson Corporation
Operation The e.dot gun is now ready for operation.
Melter Adjustment Adjust the set-point temperature of the gun to a maximum of185 °C (365 °F). Refer to the melter product manual for information abouthow to adjust the gun set-point temperature.
Driver Electrical Adjustment The e.dot gun is designed for optimal performance when operated with theelectrical characteristics shown in Table 6.
Table 6 e.dot Electrical Characteristics
Characteristic Value
Peak Current (spike) 2.85 A
Peak current time (spike time) 1.35 ms
Hold current .75 A
e driver and e driver2, 3, and 4 The e driver and e driver2, 3, and 4 are factory set to the values shownabove and require no electrical adjustment.
LA4400 The LA4400 must be set to the current values shown in Table 6. Refer tothe product manual provided with the LA4400 for information about how toadjust these values.
e driver
DOT time adjustment swtiches(e driver and e driver2, 3, 4 only)
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Part 1041250E02� 2006 Nordson Corporation
Dot Size Adjustment The relative size of the adhesive dot that is dispensed from an e.dot gun willincrease as the duration that the gun remains open increases. Beforeoperating the e.dot gun, you must set the duration on the driver. On ane driver and an e driver2, 3, and 4, the duration is referred to as DOT Time.On an LA4400, the duration is referred to as On Time.
e driver and e driver2, 3, and 4 Use the DOT time switch to set the DOT time. The top switch has aresolution of 0.5 ms and a range of 0−4.5 ms. The bottom switch has aresolution of 0.05 ms and a range of 0−0.45 ms. Together, both switchesprovide a DOT time range of 0.05−4.95 ms.
NOTE: The DOT time function is turned off when both switches are set to0.0 ms.
LA4400 To control and e.dot gun using an LA4400, set the LA4400 to Dotted modeand enter an appropriate On time.
Refer to the LA4400 product manual or help screens for additionalinformation.
Pattern Control Adjustment
EPC-30 Refer to the EPC-30 product manual for information about how to set up apattern.
LA4400Set the desired gun to operate in Dotted mode. Refer to the LA4400 productmanual for information about how to set up a dot pattern.
Stroke adjustement dial
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Part 1041250E02 � 2006 Nordson Corporation
Stroke Adjustment The gun is equipped with a stroke adjustment dial. The stroke is factory-setto 0.2 mm. Under normal operating conditions, it is not necessary to adjustthe stroke of the gun. Stroke adjustment is only required if the gun isdisassembled. Refer to Maintenance, Rezeroing the Gun.
CAUTION: Do not use the stroke adjustment to turn off the flow of adhesivefrom the gun.
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Part 1041250E02� 2006 Nordson Corporation
Troubleshooting WARNING: Risk of Burns! Do not remove the nozzle when the system ispressurized. Removing the nozzle when the system is pressurized willcause hot melt to free-flow from the gun. Relieve system pressure beforeremoving the nozzle. Failure to relieve system pressure can result inpersonal injury.
WARNING: Risk of personal injury. This equipment contains pressurizedhot melt material and high voltage circuits. Read the Safety informationprovided in this document before completing any troubleshooting procedure.Failure to observe safety messages and hazard-avoidance procedures canresult in personal injury, including death.
Troubleshooting Table The following table lists the gun problems that are most likely to occur, thepossible causes of each problem, and steps for corrective action. Whereapplicable, cross-references are made to expanded diagnosticprocedures (DPs) provided later in this section or to other sections of thismanual.
Problem Possible Cause Corrective Action
No adhesive flow Adhesive level low Check level. Add adhesive if needed
No input power Connect power to melter and associatedequipment. Make sure that all circuitbreakers are switched on
Melter temperature setting too low Adjust setting (refer to melter manual)
Hose temperature controller settingtoo low
Adjust setting (refer to melter manual)
Gun temperature controller settingtoo low
Adjust setting (refer to melter manual)
System not at operating temperature Verify if the READY light is on andadhesive or sealant is molten. If not,allow unit to reach operatingtemperature
Air pressure to pump off or low(piston pump)
Restore or adjust piston pump airpressure
Continued...
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Part 1041250E02 � 2006 Nordson Corporation
Troubleshooting Table (contd)
Problem Possible Cause Corrective Action
No adhesive flow(continued)
Melter motor not operating (gearpump)
Verify motor operation (refer to meltermanual)
Hose clogged Clean or replace hose (refer to hoseuser’s guide)
Nozzle clogged Clean or replace nozzle
Gun coil faulty Check that the resistance of the coil atroom temperature is 5.3–6.0 ohms.Replace the gun module if necessary
Gun fails to heat orunderheats
No power or low line voltage Make sure that input power is connectedand all circuit breakers switched ON.Check voltage at unit input and gunoutput
Temperature setting too low Adjust setting
Failed heater cartridge (open orshorted)
Test heater resistance. Replace ifdefective
Failed RTD (open or shorted) Check continuity. If continuity exists,check resistance Replace RTD ifdefective
Gun overheats Melter tank temperature setting toolow
Adjust setting (refer to melter manual)
Hose temperature controller settingtoo high
Adjust setting (refer to melter manual)
Gun temperature controller settingtoo high
Adjust setting (refer to melter manual)
Shorted RTD (melter should fault) Test the RTD. Replace if defective
Continued...
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Part 1041250E02� 2006 Nordson Corporation
Corrective ActionPossible CauseProblem
Gun fails to close Debris or contamination in seat Remove and clean the nozzle andarmature. Refer to Maintenance,Cleaning/Replacing the Nozzle and theArmature
Damaged return spring Replace the return spring
Gun closesprematurely
Low input voltage to gun driver Verify the cause of low input voltage andcorrect it
Incorrect gun driver setting Check settings (refer to gun drivermanual)
Drip forms onnozzle
Tip of nozzle damaged
Nozzle too close to substrate
Replace the nozzle
Increase gap to 4–6 mm
Inconsistent beadpattern
Dirt or debris in nozzle, filter, or onneedle
Clean or replace parts as needed
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Part 1041250E02 � 2006 Nordson Corporation
Maintenance To maintain optimal gun performance, complete the maintenance taskslisted in Table 7.
Table 7 Gun Maintenance Schedule
Task When...
Clean or replace the nozzle,armature, and spring
Adhesive flow is reduced orstops
Poor bead quality/size
Rezero the Gun After nozzle is replaced
Change the filter Reduced adhesive flow
Cleaning/Replacing the Nozzle and the Armature
WARNING: Risk of Burns! Do not remove the nozzle when the system ispressurized. Removing the nozzle when the system is pressurized willcause hot melt to free-flow from the gun. Relieve system pressure beforeremoving the nozzle. Failure to relieve system pressure can result inpersonal injury.
Remove the nozzle, spring and armature
1. Heat the gun to operating temperature.
2. Disable the gun. Refer to Safety.
See Figure 9.
3. Remove the nozzle, spring (2) and armature (3).
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Part 1041250E02� 2006 Nordson Corporation
1
2
3
Figure 9 Removing the nozzle (1), armature (2), and spring (3)
Clean the components
WARNING: Risk of fire. Do not heat Nordson Type R fluid above245 �C (475 �F). Use only an industrial grade, regulated, electrical heatingdevice that is designed to heat industrial fluids. Personal injury or propertydamage can result if Type R cleaning fluid is heated with an open flame orin an unregulated heating device.
1. Soak the components in Nordson Type R cleaning fluid that has beenheated above the melting point of the hot melt.
2. Remove the components from the cleaning fluid and clean thoroughlywith a soft cloth to remove all foreign material.
Cleaning the nozzle
Stroke adjustement dial
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Part 1041250E02 � 2006 Nordson Corporation
Cleaning/Replacing the Nozzle and the Armature (contd)
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 a varietyof probe sizes.
3. At the outlet of the nozzle, insert a correctly sized cleaning probe.
4. With a clean cloth, firmly grip the cleaning probe, then pull the probe outof the nozzle, wiping the probe clean.
5. Clean the armature and spring.
6. Inspect all of the components for damage or excessive wear. Replace ifnecessary. Refer to Parts, Gun Service Kits.
NOTE: Over time, the nozzle and the armature and nozzle (seat) willwear down and develop a matched fit. If either the nozzle or thearmature needs to be replaced, Nordson Corporation recommends thatall three components (nozzle, armature, and spring) be replaced.
Re-install the components
1. Turn the stroke adjustment dial to 0.3 mm.
2. Re-install the spring and armature into the module.
CAUTION: Do not overtighten the nozzle. To avoid applying excessivetorque to the nozzle, use the shortest wrench available.
3. Check the nozzle O-ring for damage or deterioration. Replace ifnecessary.
4. Re-install the nozzle and tighten it to 3–4 Nm (2–3 ft.-lb).
5. Go to Rezeroing the Gun.
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Part 1041250E02� 2006 Nordson Corporation
Rezeroing the Gun 1. Heat the gun to operating temperature.
See Figure 10.
2. Use a 1. 5 mm hex key to loosen the dial set screw (3)
CAUTION: Do not overtighten the stroke adjustment screw. Overtighteningthe screw can damage the seat.
3. Using the long end of a 3 mm hex key, held by two fingers, turn thestroke adjustment screw (2) clockwise until it just stops.
4. Turn the dial (1) until the 0 indication is aligned with the reference mark(4) on the side of the module.
5. Tighten the dial set screw.
6. Turn the dial to 0.2 mm.
Figure 10 Module adjustment features
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Part 1041250E02 � 2006 Nordson Corporation
Changing the Filter 1. Heat the gun up to its operating temperature.
2. Relieve system pressure. Refer to Safety.
3. Use a 5 mm hex key to remove the filter.
NOTE: Dispose of the old filter. Filters are not serviceable.
See Figure 11.
4. Apply Never-Seez to the threads of the new filter.
5. Install the new filter and tighten it to 1.35–2.71 N•m (1–2 ft-lb).
Red/50 mesh (0.011 in.) − P/N 1045502
Yellow/100 mesh (0.006 in.) − P/N 1045506
Purple/200 mesh (0.003 in.) − P/N 1045520
NOTE: To prevent nozzle clogging, ensure that the filter mesh size issmaller than the nozzle orifice size.
Figure 11 Installing the filter (Left − top feed/Right − rear feed)
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Removing the Cordset See Figure 12.
1. Relieve hydraulic pressure and de-energize the system. Refer to Safety.
2. Remove the two socket head screws (1) that secure the cordset to themanifold.
3. Take hold of the slide cover (8), and pull it away from the manifold.
4. Remove the round connector (2), the heater (3) and RTD (4).
Installing the Cordset See Figure 12.
1. Slide the heater (3) into the heater cavity (7).
2. Position the RTD (4) to the left side of the round connector (2), and thenslide the RTD into the RTD cavity (6).
3. Push the round connector (2) into the connector cavity of the manifold(5) by pushing the slide cover (8) into place.
4. Fasten the two socket head screws (1).
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Part 1041250E02� 2006 Nordson Corporation
2
6
3
7
4
5
1
8
Figure 12 Cordset Replacement
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Part 1041250E02 � 2006 Nordson Corporation
Parts
e.dot Gun Components
Figure 13 e.dot gun components
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Part 1041250E02� 2006 Nordson Corporation
Item Part Description Quantity Note- - - - - - 1061607 Gun, top feed, round connector, 0.25 mm nozzle –- - - - - - 1061608 Gun, top feed, round connector, 0.3 mm nozzle –- - - - - - 1061609 Gun, top feed, round connector, 0.35 mm nozzle –- - - - - - 1061622 Gun, rear feed, round connector, 0.25 mm nozzle –- - - - - - 1061623 Gun, rear feed, round connector, 0.3 mm nozzle –- - - - - - 1061625 Gun, rear feed, round connector, 0.35 mm nozzle –
1 377954 � Module with 0.25 mm nozzle 1 A1 377955 � Module with 0.3 mm nozzle 1 A1 377956 � Module with 0.35 mm nozzle 1 A2 – � � Spring 1 B3 – � � Armature 1 B4 – � � O-ring 1 B, E5 – � � Nozzle 1 B, C6 – � � Seal 1 B7 – � � Seal 1 B8 1062529 � Cordset, round connector, w/heater and RTD 19 – � Filter, gun, integrated 1 D
10 972657 � Connector, with O-ring, 9/16-18 111 972630 � Elbow, 45 degree, 9/16-18 112 – � Bracket assembly, mounting, clamp, H100 113 – � O-ring, Viton, 5.28 x 1.78 mm 1 B, F14 – � Screw, socket, M4 x 25 2 B15 – � Screw, socket, M3 x 45 1 B
NOTE A: Includes mounting screws (items 14 and 15).
B: Included in module service kit P/N 377951.
C: Nozzles (with O-ring) also sold separately. Refer to Nozzles.
D: Three mesh sizes available. Refer to Filters.
E: Pack of 10 P/N 7300511.
F: Pack of 10 P/N 7300512.
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Part 1041250E02 � 2006 Nordson Corporation
Gun Service Kits
Part Description377951 Kit, service, module, e.dot377959 Kit, armature, spring, 0.25 mm nozzle377960 Kit, armature, spring, 0.3 mm nozzle377961 Kit, armature, spring, 0.35 mm nozzle
1062529 Kit, cordset, round connector, w/heater and RTD7300511 Kit, service, O-ring, 10 pc., seal, nozzle, e.dot
Nozzles
Part Description377946 Nozzle, 0.25 mm, with O-ring377945 Nozzle, 0.3 mm, with O-ring377947 Nozzle, 0.35 mm, with O-ring
7300512 Kit, service, O-ring, 10 pc., seal, module-to-gun, e.dot
Filters
Part Description1045502 Kit, filter, gun, 50 mesh1045506 Kit, filter, gun, 100 mesh1045520 Kit, filter, gun, 200 mesh
e.dot Small Diameter Hoses
Part Description1040295 Hose, 2 m (6.56 ft.)1040296 Hose, 3.5 m (11.5 ft.)1040297 Hose, 5 m (16.4 ft.)
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Part 1041250E02� 2006 Nordson Corporation
e drivers
Part Description1042905 Gun driver, e, 4-module, with power supply1042906 Gun driver, e, 4-module, without power supply1043783 Gun driver, e, 3-module, with power supply1043784 Gun driver, e, 3-module, without power supply1042902 Gun driver, e, 2-module, with power supply1042904 Gun driver, e, 2-module, without power supply1043759 Gun driver, e, single box
e driver cables
Part Description1041830 Cable, e.dot, 15 m (49.2 ft.), e.dot hose to e driver1041835 Cable, e.dot, 10 m (33 ft.), e.dot hose to LA4400/e driver2, 3, 41041831 Cable, extension, e.dot hose to P/N 1041830 or P/N 1041835, 10 m (33 ft.)1044019 Cable, e driver2, 3, 4 to EPC-30
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Part 1041250E02 � 2006 Nordson Corporation
Technical Data The following technical data is provided for your reference as needed.
Gun Specifications Item Description
Service life 200 million cycles
Response time 2 ms
Maximum hydraulic pressure 100 Bar (1450 psi)
Working hydraulic pressure 48.3 Bar (700 psi)
Working viscosity 1000 cps
Maximum viscosity 5000 cps
Maximum operating temperature 185 °C (365 °F)
Gun Dimensions
Figure 14 Top-feed e.dot gun dimensions
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Part 1041250E02� 2006 Nordson Corporation
Figure 15 Rear-feed e.dot gun dimensions
Gun Wiring Diagram
Figure 16 e.dot gun wiring
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Part 1041250E02 � 2006 Nordson Corporation
Cable Wiring Diagrams
Figure 17 e.dot cable diagrams