Graco 309962H User's Manual
Contents
1. HOT SURFACE AND FLUID HAZARD Heated fluid can cause severe burns and can cause equipment surfaces to become very hot e Wear protective gloves and clothing when operating this equipment in a heated system e Do not touch the metal heat sink when the surface is hot e Allow the equipment to cool thoroughly before servicing Some heated systems are designed to dispense Polyurethane PUR heated materials PUR systems are supplied with ventilation hoods and require proper ventilation and specially designed system components A WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor air ventilation open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury Do not use this equipment in a hazardous area as defined in Article 500 of the National Electrical Code USA Ground the equipment and the object See Ground the System on page 6 Provide fresh air ventilation to avoid the buildup of flammable fumes from solvent or the fluid being dispensed Extinguish all the open flames or pilot lights in the dispense area Keep the dispense area free of debris including solvent rags and gasoline Do not turn on or off any light switch in the dispense area while operating or if fumes are present Do not smoke in the dispense area Do not operate a gasoline engine in the dispense area If there is any static sparking while using the equipment stop dispensing immediately Identi2. To lock the gun safety release the trigger and rotate the safety downward as shown in Fig 1 NOTE Do not try to force the trigger valve open with the safety engaged This could result in component failure Locked Fig 1 T10372 To unlock the trigger safety rotate the safety upward as shown in Fig 2 Unlocked T10372 309962 7 Fig 2 Operation Heating Up the Gun and System A WARNING PRESSURE RUPTURE HAZARD Meta Heating fluid expands causing a rise in pressure in a closed system e Be sure pressure is relieved before heating up the equipment Follow the pressure Relieving Pressure Proce dure on page 7 Engage trigger retainer to hold dispense gun open to prevent exces sive pressure build up from fluid expansion Be sure pump is off 2 Engage the dispense gun trigger retainer to hold the valve open 3 Activate the heat controls 4 After pump hose and gun are up to temperature disengage gun trigger retainer to close the valve Engage the gun trigger safety to prevent acciden tal dispense of high pressure heated fluid Dispensing 1 Start the fluid supply pump 2 The fluid flow rate is controlled at the pump Adjust the pump pressure to obtain the desired flow rate It is recommended that you use the lowest pres sure necessary to dispense the fluid The pressure adjustment will depend on the hose length the viscosity of the fluid and the gun nozzle siz
3. FITTING connector male SCREW cap These parts are included in Repair Kit C32002 which may be purchased separately 7 Model C34005 only Model C34007 only Qty U ee ey ee ee ee ee 309962 15 Parts Models C50018 Hot Melt Gun NOTE Assemble two 10 halves over swivel 6 after connecting fluid hose 11 See Detail A ti23569a NOTE Apply heat transfer compound 58 to cylindrical surface of heater 27 and sensor 22 Orient snap rings as shown Detail A For ease of assembly install pins and snap rings from top to bottom Middle snap ring must be installed facing up then rotated to position shown Snap rings must be flush with each other O without overlapping 16 309962 Model C50018 Manual Hot Melt Gun Ref No Part No 1 C32022 2 C32028 3 C32012 4 C31017 5 C31016 6 C20483 8 C32368 9 C27051 10 C32004 11 C19208 12 15X116 13 C27036 14 111821 15 918530 15a C27038 15b C27053 15c C27060 15d 103338 15e C32027 15f C27061 15g 150749 15m C19284 16 C00020 17 C27037 18 C27014 20 103610 21 C32255 22 196508 23 102410 Description Qty BODY hot melt manual gun flow 1 INSULATOR hot melt handgun 1 BODY gun 1 SHIELD handgun 1 CAP 1 FITTING pipe 3 8 in npt 1 RING 1 TRIGGER gun 1 HANGER gun 1 WASHER lock 3 PIN trigger 3 NUT lock 1 SCREW cap socket head 2 NEEDLE assembly consists of items 15a through 15m NEEDLE SUPPORT packing SEAL needle
4. PACKING O ring NUT packing SCREW adjustment YOKE trigger handgun NUT SPRING RETAINER spring SEAT PACKING O ring SENSOR temperature PLUG SCREW ee ee ee O M ee A Ref No Part No 26 C31031 28 C19977 29 157021 31 617836 33 108483 34 C34009 35 C20565 38 112385 39 C32369 44 C07535 46 C07536 47 C51071 48 C78480 49 C32005 50 C19952 52 C19950 53 C33241 54 116675 55 116673 56 198422 57 198442 58 C07664 Description Qty HEATER cartridge 1 SCREW cap socket head 1 WASHER lock internal 1 SLEEVE fiberglass braid 10 blk 1 SCREW shoulder SCH TRIGGER LOCK WASHER spring SCREW set RETAINER spring TUBE heat shrink TUBE heat shrink 2 GASKET ADAPTER connector manual gun top COVER wires SCREW socket head SCREW cap KIT accessory stop CORD flex valve 1K BUSHING strain relief COVER protective STRAP retaining mix manifold Heat transfer compound 3 oz Meo aNwaa a Mo amp A These parts are included in Repair Kit C32002 which may be purchased separately See page 10 for complete Repair Kit list 309962 17 Technical Data Maximum Working Pressure All Models 4 3500 psi 241 bar Outlet Port Size All Models 000 c cece ees 1 4 npt f Inlet Port Size on Gun Housing All Models 00 000 eee 3 8 npt f Inlet Port Size on Fluid Swivel All Models except C50018 7 8 JIC m C5001 Si
5. Splashing fluid in the eyes or on the skin can also cause serious injury e Fluid injected into the skin might look like just a cut but it is a serious injury Get immediate surgi cal treatment Do not point the gun at anyone or at any part of the body Do not put hand or fingers over the gun nozzle Do not stop or deflect fluid leaks with your hand body glove or rag Be sure the gun trigger safety operates before dispensing Lock the gun trigger safety when you stop dispensing If the nozzle clogs while dispensing fully release the trigger immediately Follow the Pressure Relief Procedure on page 7 whenever you are instructed to relieve pres sure stop dispensing clean check or service the equipment and install or clean the nozzle Tighten all the fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose TOXIC FLUID HAZARD Hazardous fluids or toxic fumes can cause a serious injury or death if splashed in the eyes or on the skin swallowed or inhaled e Know the specific hazards of the fluid you are using Read the fluid manufacturer s warnings e Store hazardous fluid in an approved container Dispose of the hazardous fluid according to all local state and national guidelines e Wear appropriate protective clothing gloves eyewear and respirator
6. and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up
7. to flow after the trigger is released the gun valve may need adjustment be obstructed or damaged or the needle assembly 15 or seat 18 may be worn or dam aged a Adjust the spring tension as instructed on page 13 b Replace the needle assembly 15 or seat 18 as instructed on page 13 your gun model number 10 309962 Follow the torque sealant and lubrication notes for 3 The following repair kit is available Repair Kit Gun Model C32002 Manual Hot Melt Guns C34005 C34007 and C50018 Installing new heater unit RTD sensor or switch 1 Open the connector 24 by removing the screw on the side and pulling out insert 25 2 For Therm O Flow 6 pin assemblies removal and replacement of the heaters and RTD require a pin extraction tool new connector pins and a pin crimping tool These tools meet spec MIL C 22520 Ref Daniels AF8 crimp tool or equivalent available at your local industrial electri cal supply warehouse Soldering the new leads is an acceptable alternative as long as new pins 27 are used 3 Remove the faulty sensor or heater by cutting the leads at the connector and pulling the wires back through the conduit and out of the gun 4 Use the pin extraction tool to punch out the old pins 5 Coat heater or sensor with heat sink compound 6 Gently slide new heater or sensor into appropriate hole 7 Feed the new wires through the conduit to the connector On bottom
8. 32011 C31017 C31016 156849 C57733 C32368 C27051 C32004 C19208 15X116 C27036 111821 918530 C27038 C27053 C27060 103338 C32027 C27061 150749 C19284 C00020 100284 C27014 Description BODY hot melt manual gun INSULATOR hot melt hand gun BODY gun SHIELD hand gun CAP FITTING pipe 3 8 in npt SWIVEL 3 8 in npt F RING TRIGGER HANGER gun WASHER lock PIN trigger NUT lock SCREW cap socket head Model C34005 Model C34007 NEEDLE assembly consists of items 15a through 15m NEEDLE SUPPORT packing SEAL needle PACKING O ring NUT packing SCREW adjustment YOKE trigger handgun NUT SPRING NUT hex MSCR SEAT Qty e oss ss U U WP U Ss 4s UO AH Ss iA Parts Ref No Part No 19 C32003 20 103610 21 C32255 22 198511 23 C19156 26 617838 28 C19977 29 157021 30 C07664 31 15A506 33 108483 34 C34009 35 C20565 39 C27037 t 42 C31021 43 C57733 44 116675 45 116673 48 C32369F 49 C32368F 50 C32371F 51 C20769 52 C19950 Description NOZZLE PACKING o ring SENSOR temperature ADAPTER connector manual SCREW socket head HEATER cartridge 100W 120V SCREW cap socket head WASHER lock internal Thermal compound 3 oz SLEEVE protective SCREW shoulder TRIGGER LOCK WASHER spring RETAINER spring COVER sponge SWIVEL hose CONDUIT metal flex BUSHING strain relief RETAINER spring SWITCH COVER switch
9. Instructions Parts List GRACO 120 Volt 309962H Hot Melt Dispensing Gun EN Used for manual dispensing of non flammable hot melt sealant and adhesive materials For professional use only Not for use in explosive atmospheres Model C34005 Bottom Feed Model C34007 Bottom Feed with Trigger Switch Model C50018 Top Feed 3500 psi 24 1 MPa 241 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions ti13864 TIH629A PROVEN QUALITY LEADING TECHNOLOGY Symbols Warning Operation Troubleshooting Service 2 309962 Table of Contents EEE teers OTE at 2 PITS oes ctr E craze Aid abacane TEN T oa T EAE aE DEI aE AE E 2 Technical Data moerens ccc eee eee eee ahaa i AT ARENT EAEN 7 Graco Warranty cece eee eee eee AE eh ah E ETATE 9 Graco Information 00 0 cee ee eee EEEE EETA EEE EEE 10 Symbols Warning Symbol Caution Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you do not follow the instructions A WARNING SKIN INJECTION HAZARD Spray from the gun hose leaks or ruptured components can inject fluid into your body and cause extremely serious injury including the need for amputation
10. ble damage Heater Every two weeks check heater for proper resistance Resistance should be approximately 123 150 ohms 58 29 cold for the 120 volt valves Replace heater if necessary Also inspect heater when performing regular mainte nance procedures Sensor Every two weeks check sensor resistance Resistance should be 108 ohms at 21 C 70 F Replace sensor if necessary Also inspect sensor when performing regular mainte nance procedures 12 309962 Adjusting the Needle Assembly The trigger travel and corresponding valve opening are factory set To adjust this setting follow the procedure below A WARNING A SKIN INJECTION HAZARD To reduce the risk of a serious injury includ cE ing fluid injection follow the Pressure Relief Procedure on page 7 whenever you are instructed to relieve the pressure NOTE Items in refer to items in the PARTS list pages 14 17 Relieve the pressure in the system 1 2 Disconnect the gun from the hose 3 Using a 1 2 in and 11 32 in wrench loosen hex nut 15m Remove nozzle 19 cap 5 and shield 4 D 5 Trigger gun and using a screwdriver in the slot of the needle turn the needle clockwise several turns 6 Release the trigger turn the needle counterclock wise until it contacts the seat 7 Trigger the gun and turn the needle one additional turn counterclockwise Tighten the hex nuts 15m to set the adjustment Reassemble
11. c cree 2 Meda a eshte teat ie 1 2 npt f Height C34005 and C34007 8 25 in 210 mm 500185 sSetenshoe s vain oth iets 10 in 254 mm Width C34005 and C34007 2 15 in 55 mm C5001 Bs sSetenhoats vein noth hats 3 72 in 95 mm Length 2435197 and C34007 12 54 in 319 mm 50018 s o oo 11 91 in 303 mm Voltage All Mod ls a ka ates Baten eal ts 120 VAC 18 309962 Wattage Al MOOGIS eraa tke os Sees 100 W RTD Platinum RTD 00385 ohmsS C 108 2 ohms 70 F Heater Resistance All ModelS 000 c cee eens 123 150 ohms Weight All Models 00 00 cece 3 5 Ibs 1 6 kg Wetted Parts All Models Fluid Section Hardened Steel fluoroelastomer AFLAS and PTFE Seals 12L14 Steel 1215 CRS 4140 SST Chrome Alloy Black Oxide Valve Needle Tool Steel shaft with chrome alloy ball Valve Seat Hardened Steel RC52 Notes 309962 19 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and main
12. e 8 309962 3 4 Unlock the gun trigger safety Squeeze the trigger in all the way Fluid flow begins with the slightest pressure on the trigger and stops when the trigger is released Flushing Safety A WARNING FIRE AND EXPLOSION HAZARD To reduce the risk of a fire explosion or serious injury e Be sure the entire system and flush ing pails are properly grounded before flushing the gun or system Read Grounding the System on page 6 e Use the lowest possible fluid pressure and maintain firm metal to metal contact between the gun and the grounded metal pail during flushing Heat controls must be off during flushing if solvents are used to flush Shutting Down 1 2 Turn off all heat at the controller Turn off fluid pump Trigger gun to relieve pressure while system is still hot With gun over a waste container engage gun trigger retainer to hold valve open for next heat up cycle Troubleshooting Some solutions require disassembling the gun Always relieve system pressure and disconnect the electrical cable before performing these procedures A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 7 See PARTS section pages 14 17 for the parts that need to be serviced Sotution Material leaks from front of Seat or packing is worn Replace seat 18 or packing 20 gun Obstructi
13. entry models be sure to use protective sleeve 31 over wires where they pass through needle area 8 Cut and strip the wires to the appropriate length 9 Slide 1 8 diameter heat shrink tubing over the wires 10 Crimp or solder the wires to the appropriate new connector pin as shown in Fig 3 Schematic Diagram HEATER IRS GS F Cc A w AN VN SENSOR Service O GUN SWITCH H om Wiring Diagram Model C34007 only Connector RTD Sensor QO O O Approximately 108 ohms 70 F B Oc O RE A Heater 100W 120VAC O F D E gt 6 Pin 120 Volt Shown Fig 3 11 Slide the heat shrink tubing into place and thor oughly shrink it so that it grabs onto the connector pin and wire insulation 12 Use an ohm meter to check a heater pins F to C 123 150 ohms 123 ohms minimum 150 ohms maximum Switch Normally Open D GUN SWITCH Model C34007 only NOTE Route switch wiring through gun handle insula tor and body ensuring enough slack to change over gun from top to bottom inlet without putting strain on wires RTD sensor pin A to B 108 ohms 1 ohm at 70 F Continuity to the gun body from pin 8 No continuity from pins A F to gun body or connector shell 309962 11 Service Inspection Frequency Dispense Valve Inspect dispense valve at every use for leakage or other visi
14. fy and correct the problem Keep a fire extinguisher in the work area EQUIPMENT MISUSE HAZARD Le Equipment misuse can cause the equipment to rupture malfunction or start unexpectedly and result in a serious injury INSTRUCTIONS This equipment is for professional use only cE M Read all the instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are uncertain about usage call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check the equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated system component See the front cover or the Technical Data for the maximum working pressure of your gun model Route the hoses away from the traffic areas sharp edges moving parts and hot surfaces Do not kink or overbend hoses or use the hoses to pull the equipment Use only Graco approved hoses Do not remove hose spring guards which help protect the hose from rupture caused by kinks or bends near the couplings Use fluids or solvents that are compatible with the equipment wetted parts See the Technical Data section of all the equipment manuals Read the fluid and solvent manufacturer s warnings Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solve
15. in English Les parties reconnais sent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s a la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call to identify the distributor closest to you Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 All written and visual data contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice For patent information see www graco com patents Original instructions This manual contains English MM 309962 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2001 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revision H April 2014 20 309962
16. k If your hose does not have a tag on it which specifies the maximum electrical resistance contact the hose supplier or manufacturer for the maximum resistance limits If the hose resistance exceeds the recommended limits replace it imme diately 6 309962 2 Gun The gun is grounded by connecting it to the properly grounded fluid hose and by a ground wire in the cable Check ground continuity between the gun body and the heat control ground lug Fluid supply container ground according to the local code Flammable liquids in the dispense area must be kept in approved grounded containers Do not store more than the quantity needed for one shift All solvent pails used when flushing ground according to local code Use only metal pails which are conductive Do not place the pail on a non conductive surface such as paper or card board which interrupts the grounding continuity To maintain grounding continuity when flush ing or relieving pressure hold a metal part of the gun firmly to the side of a grounded metal pail then trigger the gun Operation Gun Trigger Safety A WARNING SKIN INJECTION HAZARD To prevent accidental triggering of the Relieving Pressure A WARNING SKIN INJECTION HAZARD S The system pressure must be manually GE relieved to prevent the system from starting or dispensing accidentally Fluid under high pressure can be injected through the skin and cause a serious injury To reduce the
17. nts with guns Such use could result in a serious chemical reaction with the gun s aluminum parts with the possibility of an explosion Comply with all applicable local state and national fire electrical and other safety regulations 4 309962 A WARNING ELECTRIC SHOCK HAZARD To reduce the risk of electric shock Keep display panels fastened during operation Never cut or puncture a hose cover Disconnect power source before servicing Install according to local electric code Ground all equipment Connect to grounded outlet Do not expose to rain Store indoors 309962 5 Installation Grounding the System A WARNING FIRE AND EXPLOSION HAZARD To reduce the risk of a fire explosion and serious injury proper electrical grounding of every part of your system is essential Read the warning section FIRE AND EXPLOSION HAZARD on page 4 and follow the grounding instructions below The following grounding instructions are minimum requirements for a basic dispensing system Your system may include other equipment or objects which must be grounded Check your local electrical code for detailed grounding instructions for your area and type of equipment Your system must be connected to a true earth ground 1 Fluid hoses use only grounded fluid hoses with a maximum of 25 feet 7 5 m combined hose length to ensure grounding continuity Check the electrical resistance of your fluid hoses at least once a wee
18. on inside gun Remove seat 18 Check and replace if necessary Worn needle Check and replace needle 15a if necessary kei leaks from back of Needle seal or packing is worn Replace seals 15c or packing 15d Gan does not shut off Needle or adapter is worn Replace needle 15a or adapter 19 Spring broken or not installed correctly Check and replace if necessary spring 16 Obstruction inside gun Remove seat 18 Check and replace if necessary 309962 9 Service A WARNING SKIN INJECTION HAZARD To reduce the risk of a serious injury c including fluid injection e Follow the Pressure Relief Procedure on page 7 when you stop dispensing before servicing the gun and whenever you are instructed to relieve the pressure After adjusting or servicing the gun make sure the fluid will not trigger on when the trigger safety is locked If fluid does flow the gun is not assembled properly or the trigger safety is damaged Reassemble the gun or return it to your nearest Graco distributor Do not use the gun until the problem is corrected SERVICE NOTES A WARNING SKIN INJECTION HAZARD To reduce the risk of a serious injury including fluid injection if fluid continues to flow after the trigger is released service the gun immediately as instructed below Do not use the gun until the problem is corrected i NOTE Items in refer to items in the PARTS list 1 If the fluid continues
19. risk of an injury from injection splashing fluid or mov ing parts follow the Relieving Pressure Proce dure on page 7 whenever you are instructed to relieve the pressure stop dispensing check or service any of the system equipment install or clean the nozzle 1 Fully release the gun trigger and lock the gun trigger safety by rotating the safety downward Fig 1 2 Shut off the fluid supply pump 3 Hold a metal part of the gun firmly to the side of a grounded metal waste container Unlock the gun trigger safety by rotating the safety upward Fig 2 Trigger the gun to relieve fluid pressure 4 Fully release the gun trigger and lock the gun trigger safety by rotating the safety downward 5 Open the pump drain valve to help relieve fluid pressure in the pump hose and gun Triggering the gun to relieve pressure may not be sufficient Have a container ready to catch the drainage 6 Leave the drain valve open until you are ready to dispense again 7 If you think that the gun nozzle or fluid hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the hose end coupling and relieve pressure gradually then loosen the coupling completely Clear the nozzle or hose obstruction c gun and reduce the risk of a serious injury including fluid injection or splash ing in the eyes or on skin lock the gun trigger safety when you stop dispensing
20. shield 4 cap 5 and nozzle 19 Service Adjusting the Spring Tension A WARNING D SKIN INJECTION HAZARD To reduce the risk of a serious injury c including fluid injection follow the Pressure Relief Procedure on page 7 whenever you are instructed to relieve the pressure NOTE Items in refer to items in the PARTS list pages 14 17 1 Relieve the pressure in the system NOTE For models with switch 42 cover 43 must be removed and the switch must be removed 2 Loosen lock nut 13 3 Adjust the spring retainer 39 to the desired trigger pull force 4 Tighten lock nut 13 to secure spring tension adjustment Servicing Valve Stem and Seal If fluid leaks past seal 15c the seal or needle 15a may be worn or damaged To replace the seal or valve stem follow the procedure below A WARNING SKIN INJECTION HAZARD To reduce the risk of a serious injury including fluid injection follow the Pressure Relief Procedure on page 7 kE whenever you are instructed to relieve the pressure 1 Relieve the pressure in the system 2 Disconnect the gun from the hose NOTE For models with switch 42 cover 43 must be removed and the switch must be removed 3 Loosen lock nut 13 4 Unscrew the spring retainer Item 39 5 Using a 1 2 in and 11 32 in wrench loosen hex nut Item15m Remove nozzle 19 cap 5 and shield 4 Trigger gun and using a screwdriver in
21. tained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or sub stitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation
22. the slot of the needle 15a turn the needle clockwise several turns 8 While holding the yoke 15g turn needle 15a counterclockwise until it separates 9 Remove the front half of the needle assembly 15a from the gun 10 Remove and replace packing support 15b needle seals 15c and O ring packing 15d 11 Install the front half of the needle assembly in the body 1 12 While holding yoke 15g install the needle 15a rotating clockwise 13 Adjust the needle as described in Adjusting the Needle Assembly on page 12 14 Install shield 4 cap 5 and nozzle 19 15 If necessary adjust spring tension as described in Adjusting the Spring Tension on this page 309962 13 Parts Models C34005 C34007 Hot Melt Gun we Model C34007 onl i odel C3 00 only 14 E y 15e 15f 15d 15c 5 19 M 11 S i J See Detail A i 9 ti23571a Detail A NOTE Apply heat transfer compound Orient snap rings as shown 30 to cylindrical surface of heater 27 For ease of assembly install pins and and sensor 21 snap rings from top to bottom Middle snap ring must be installed facing up then rotated to position shown Snap rings must be flush with each other without overlapping 14 309962 Model C34005 Manual Hot Melt Gun Model C34007 Trigger Switch Hot Melt Gun Ref No ouahwnhd 15 15a 15b 15c 15d 15e 15f 15g 15m 16 17 18 Part No C34010 C32028 C
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