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Hot Melt Dispense Guns 311209W ® For use with Graco Therm-O-Flow and Warm Melt Supply Systems for dispensing non-flammable hot melt thermoplastic sealants and adhesives. For professional use only. Not approved for use in explosive atmospheres or hazardous (classified) locations.
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
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Warnings WARNING SKIN INJECTION HAZARD High-pressure fluid from dispensing device, hose leaks, or ruptured components will pierce skin. This may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment. •...
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Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
Installation Installation Connect Electrical Cable NOTE: Only connect to a Graco supply system with a Graco heated fluid hose. See Related Manuals on page 2. 1. Wrap hose cable around hose one time. Connect electrical cable from hose to gun cable, engage Connect Heated Hose metal clip on top of connector.
Installation Grounding Fluid hoses: grounded through connection to a properly grounded pump. Fluid supply container: follow local codes and regulations. The equipment must be grounded to reduce the risk Flammable liquids in the dispense area: must be kept of static sparking and electric shock. Electric or static in approved, grounded containers.
Pressure Relief Procedure Pressure Relief Procedure 4. Fully release the gun trigger and engage the gun Follow the Pressure Relief Procedure whenever trigger lock. you see this symbol. 5. Open the pump drain valve. Triggering the gun to relieve pressure may not be sufficient. Have a container ready to catch drainage.
Operation Operation Heat Up Dispensing 1. Start the pump. Fluid flow rate is controlled at pump. Adjust pump pressure to obtain desired flow rate. Use lowest pressure necessary to dispense fluid. The pressure adjustment depends on hose Fluid expands while heating, causing a pressure rise length, fluid viscosity, and nozzle size.
Troubleshooting Troubleshooting 1. Follow Pressure Relief Procedure, page 8, before checking or repairing the gun. 2. Check all possible problems and causes before disassembling gun. 3. Disconnect the electrical cable. Some solutions require disassembling the gun. To help prevent serious injury, relieve pressure and disconnect the electrical cable before checking or servicing the equipment.
(4) or seat (6) may be worn or damaged. Replace needle assembly (4) or seat (6). See Adjust Needle Assembly on page 13. Use Repair Kit 253553 for Manual Hot-Melt Guns 249512, 249513, 249514, 249515, 297273, and 297274. 6. Replace covers (9 and 16). 311209W...
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RTD sensor pin 3 to 4, 108 +/-1 at 70°F (21°C). • Continuity to gun body from pin 8. • No continuity from pins 1-7 to gun body or connector shell, or ground pin 8. All models except 249514 and 249515 Models 311209W...
Service Inspection Frequency 4. Use a 11/32 in. wrench to loosen hex nut (4g). 5. Trigger the gun and use a 1/8 in. open-end wrench Dispense Gun on the flats of the needle to turn the needle (4a) clockwise one turn as viewed from the handle end Inspect the dispense gun at every use for leakage or of the gun.
Parts Parts Models 249514, 249512, 25R585 and 25R586, Hot Melt Guns Model 249512 Only Model 249514 Only ** If using models 25R585 or 25R586, it is recommended to use a Dimethacrylate Ester for this fitting. 311209W...
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C34009 TRIGGER, lock (purchase separately). 15X116 PIN, trigger ◆ Parts included in Repair Kit 289901 C19950 SCREW, Cap (purchase separately). 15G020 HANGER † Model 249514 only. 15G121 WASHER, gun 28❊ 065337 WIRE, copper, electric ‡ Model 249512 only. ❊ Not shown. 311209W...
Parts Models 249515 and 249513, Hot Melt Guns Model 249513 Only 29, 64 Model 249515 Only 4e 4d 311209W...
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Parts Model 249515 Ref. Part Description Qty. Manual Hot Melt Gun, Top Feed, Extrude, No Switch 115862 CONNECTOR, male, crimp Model 249515 Model 249513 Model 249513 Manual Hot Melt Gun, Top Feed, Extrude, C78160 TERMINAL with Switch 122340 SCREW, shoulder, socket hd. Ref.
Accessories Accessories Rebuild Kit Part No. Description C34137 Fitting insulation, 1/8 in. thick x 2 in. Part No. Description wide. Sold by the foot. C33049 Adhesive tape, high temp for secur- 15X385 Gun body repair kit. ing insulation (C34137), 1 in. x 108 ft. 198422 Wrap, velcro, 10 in.
Height: 191 mm Width: 3.0 in. Width: 76 mm Length: Length: Models 249514 and 249515: 9.0 in. Models 249514 and 249515: 229 mm Models 249512 and 249513: 10.5 in. Models 249512 and 249513: 267 mm Wetted parts Aluminum, fluorocarbon rubber, stainless steel, PTFE, carbon steel, brass Notes: All trademarks or registered trademarks are the property of their respective owners.
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.
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