Graco 309962H- User Manual

309962 5 WARNING ELECTRIC SHOCK HAZARD To reduce the risk of electric shock D Keep display panels fastened during operation D Never cut or puncture a hose cover. D Disconnect power source before servicing D Install according to local electric code. D Ground all equipment. D Connect to grounded outle...

6 309962 Installation Grounding the System WARNING FIRE AND EXPLOSION HAZARD To reduce the risk of a fire, explosion,and serious injury, proper electricalgrounding of every part of your system isessential. Read the warning section, FIRE AND EXPLOSION HAZARD , on page 4 and follow the groundinginstru...

309962 7 Operation Relieving Pressure WARNING SKIN INJECTION HAZARD The system pressure must be manuallyrelieved to prevent the system fromstarting or dispensing accidentally. Fluid under high pressure can be injected through theskin and cause a serious injury. To reduce the riskof an injury from in...

8 309962 Operation Heating Up the Gun and System WARNING PRESSURE RUPTURE HAZARD Heating fluid expands, causing a rise inpressure in a closed system. D Be sure pressure is relieved beforeheating up the equipment. Follow thepressure Relieving Pressure Proce- dure on page 7. D Engage trigger retainer ...

309962 9 Troubleshooting Some solutions require disassembling the gun. Always relieve system pressure and disconnect the electrical cablebefore performing these procedures. WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure, always followthe Pressure Relief ...

10 309962 Service WARNING SKIN INJECTION HAZARD To reduce the risk of a serious injury,including fluid injection, D Follow the Pressure Relief Procedure on page 7 when you stop dispensing, before servicingthe gun, and whenever you are instructed torelieve the pressure. D After adjusting or servicing...

309962 11 Service A B C D E F Connector RTD Sensor Approximately 108 ohms @ 70 _ F Heater 100W @ 120VAC 123 ohms minimum– 150 ohms maximum Switch Normally Open NOTE: Route switch wiring through gun handle, insula-tor, and body, ensuring enough slack to change over gunfrom top to bottom inlet without...

12 309962 Service Inspection Frequency Dispense Valve Inspect dispense valve at every use for leakage orother visible 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 heaterif necessary. ...

309962 13 Service Adjusting the Spring Tension WARNING SKIN INJECTION HAZARD To reduce the risk of a serious injury,including fluid injection, follow the Pressure Relief Procedure on page 7 whenever you are instructed to relieve thepressure. NOTE: Items in ( ) refer to items in the PARTS list (pages...

14 309962 Parts Models C34005, C34007 Hot Melt Gun 9 1 4 6 19 5 18 15a 15b 15c 15d 15e 15g 16 26 17 2 21 12 52 17 29 10 28 8 3 13 48 14 15 39 23 33 35 50 49 14 34 15f 13 See Detail A Detail A Orient snap rings as shown.For ease of assembly, install pins andsnap rings from top to bottom.Middle snap r...

309962 15 Parts Model C34005 Manual Hot Melt Gun Model C34007 Trigger Switch Hot Melt Gun Ref.No. Part No. Description Qty. 1 C34010 BODY, hot-melt, manual gun 1 2 C32028 INSULATOR, hot-melt hand gun 1 3 C32011 BODY, gun 1 4 C31017 SHIELD, hand gun 1 5 C31016 CAP 1 6 156849 FITTING, pipe 3/8 in. npt...

20 309962 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on thedate of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco,Grac...