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Instructions - Parts
Hot Melt
Dispense Guns
For dispensing non-flammable hot melt thermoplastic sealants and adhesives.
3500 psi (24.1 MPa, 241 bar) Maximum Working Pressure
See page 2 for model information.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Bottom feed model
TI7700b
Top feed model
311209J
TI7702b
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Related Manuals for Graco 311209J
Summary of Contents for Graco 311209J
- Page 1 For dispensing non-flammable hot melt thermoplastic sealants and adhesives. 3500 psi (24.1 MPa, 241 bar) Maximum Working Pressure See page 2 for model information. Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. Bottom feed model TI7700b Top feed model 311209J TI7702b...
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Page 2: Table Of Contents
Graco Standard Warranty ....22 Graco Information ......22 311209J... -
Page 3: Warnings
• Do not spray without tip guard and trigger guard installed. • Engage trigger lock when not spraying. • Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment. 311209J WARNING Warnings... -
Page 4: Fire And Explosion Hazard
Keep clear of moving parts. • Do not operate equipment with protective guards or covers removed. • Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure in this manual. Disconnect power or air supply. WARNING 311209J... -
Page 5: Installation
2. Securely connect hose to gun swivel (A). . 1: Hose Gun Swivel 3. Wrap connection with insulating cuff (B) (119889). . 2: Insulating Cuff 311209J Connect Electrical Cable 1. Wrap hose cable around hose one time. Connect electrical cable from hose to gun cable; engage metal clip on top of connector. -
Page 6: Ground The System
Check your local electrical code for detailed grounding instructions for your area and type of equipment. 311209J... -
Page 7: Pressure Relief Procedure
Clear nozzle or hose obstruction 311209J Pressure Relief Procedure Trigger Lock Always engage trigger lock when you stop spraying to prevent gun from being triggered accidentally by hand or if dropped or bumped. -
Page 8: Operation
4. After pump, hose, and gun are up to temperature, release gun trigger retainer (Z) to close valve. Engage gun trigger lock to prevent accidental dis- pense of high pressure heated fluid. TI8051b . 9: Trigger Retainer Unlocked and Trigger Lock Engaged TI8052b Trigger Lock Engaged TI8049 311209J... -
Page 9: Dispensing
. 10: Trigger Lock Disengaged 3. Squeeze trigger in all the way. Fluid flow begins with the slightest pressure on trigger and stops when trigger is released. 311209J Shutdown 1. Turn off all heat at controller. 2. Shut off fluid supply pump. -
Page 10: Troubleshooting
Check and replace spring (14) if nec- essary. Remove seat (6). Check and replace if necessary. Check and reconnect wire connec- tions. Check and reconnect wire connec- tions. Replace failed heater. Replace failed sensor. ® Refer to Therm-O-Flow 200 manual 311208 as appropriate. 311209J... -
Page 11: Service
All models except 249514 and 249515 Models . 12: 8 Pin, 240 Volt Shown 311209J Install New Heater Cartridge(s), RTD Sensor, or Switch 1. Remove covers (9 and 16). 2. Pull terminal block (36) out of handle and discon- nect lead wires of failed components. -
Page 12: Inspection Frequency
6. Unscrew needle with body from yoke. 7. Remove seal-cartridge assembly from body and replace seals and/or needle. Repack grease area of packing nut prior to reassembly. 8. Reassemble in reverse order and follow Adjust Needle Assembly, page 12. 311209J... -
Page 13: Notes
Notes Notes 311209J... -
Page 14: Parts
Middle snap ring must be installed facing up, then rotated to position shown. Snap rings must be flush with each other without overlapping. . 13: Models 249514 and 249512, Hot Melt Guns Model 249512 Only 24 1 TI8058b 311209J... - Page 15 15G020 HANGER 15G121 WASHER, gun 28❄ 15K546 WIRE, 18AWG, 600V 115862 CONNECTOR, male, crimp Model 249514 Model 249512 311209J Ref. Part No. Description C78160 TERMINAL 100035 SCREW, 8-32 x .31 103854 SCREW, 6-32 x .25 120103 SCREW, socket-hd., 8-32 x 2.50...
- Page 16 Middle snap ring must be installed facing up, then rotated to position shown. Snap rings must be flush with each other without overlapping. . 14: Models 249515 and 249513, Hot Melt Guns Model 249513 Only TI8060b 311209J...
- Page 17 15G020 HANGER 15G121 WASHER, gun 28❄ 15K546 WIRE, 18AWG, 600V 115862 CONNECTOR, male, crimp Model 249515 Model 249513 311209J Ref. Part No. Description C78160 TERMINAL 100035 SCREW, 8-32 x .31 103854 SCREW, 6-32 x .25 120103 SCREW, socket-hd., 8-32 x 2.50 108483 SCREW, shoulder Qty.
- Page 18 Middle snap ring must be installed facing up, then rotated to position shown. Snap rings must be flush with each other without overlapping. . 15: Models 297274 and 297273, Hot Melt Guns Bottom feed Model 297274 only TI8061b 311209J...
- Page 19 115862 CONNECTOR, male, crimp C78160 TERMINAL 100035 SCREW, 8-32 x .31 103854 SCREW, 6-32 x .25 120103 SCREW, socket-hd., 8-32 x 2.50 108483 SCREW, shoulder 311209J Ref. Part No. Description C20565 WASHER, spring washer 15G060 BLOCK, terminal 102975 SCREW, 6-32 x .25 39❄...
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Page 20: Accessories
Adhesive tape, high temp for secur- ing insulation (C34137), 1 in. x 108 ft. 198422 Wrap, velcro, 10 in. x 10 in. Covers electrical connection on heated hose. 198442 Strap, velcro. Use two around ends of wrap (198422) for security. 311209J... -
Page 21: Technical Data
Inlet port size on fluid swivel Voltage Wattage Resistance temperature detector (platinum RTD; 0.00385 ohm/ohm/°C) Heater resistance Weight Dimensions Wetted parts 311209J 400°F (204°C) 3500 psi (24.1 MPa, 241 bar) 5/8-18 UNF-2B 7/8-14 UNF- 2B 7/8-14 JIC(m) 230/240 Vac 120 W 108.2 ohms @ 70°F... -
Page 22: Graco Standard Warranty
Graco Standard Warranty Graco warrants all equipment referenced in this document which is 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.
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