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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
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001
TI7700
Top feed model
311209 rev.F
TI7701
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Related Manuals for Graco TI7700
Summary of Contents for Graco TI7700
- Page 1 Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. Bottom feed model TI7700 Top feed model TI7701 Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
Dispensing ......9 Graco Information ......22 Shutdown . -
Page 3: Warnings
Warnings Warnings The following warnings are for the safe setup, use, grounding, maintenance, and repair of this equipment. The excla- mation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. - Page 4 Warnings WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion: • Use equipment only in well ventilated area. • Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop cloths (potential static arc).
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Page 5: Installation
Installation Installation Connect Electrical Cable Install gun as follows: • connect material hose 1. Wrap hose cable around hose one time. Connect electrical cable from hose to gun cable; engage • connect the electrical cable metal clip on top of connector. •... -
Page 6: Ground The System
Installation Ground the System • 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. •... -
Page 7: Pressure Relief Procedure
Pressure Relief Procedure Pressure Relief Trigger Lock Procedure Always engage trigger lock when you stop spraying to prevent gun from being triggered accidentally by hand or if dropped or bumped. To engage trigger lock, release trigger and rotate lock downward. See F . -
Page 8: Operation
Operation Operation Heatup 3. Activate heat controls. 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. Heated fluid expands, causing a pressure rise in a closed system. -
Page 9: Dispensing
Operation Dispensing 3. Squeeze trigger in all the way. Fluid flow begins with the slightest pressure on trigger and stops when trigger is released. 1. Start pump. Fluid flow rate is controlled at pump. Adjust pump pressure to obtain desired flow rate. Use lowest pressure necessary to dispense fluid. -
Page 10: Troubleshooting
Troubleshooting Troubleshooting Some solutions require disassembling gun. Always relieve system pressure and disconnect electrical cable before performing these procedures. Problem Cause(s) Solution(s) Material leaks from front of gun body Seat or packing is worn Replace seat (6) or packing (47). Obstruction inside gun Remove seat (6). -
Page 11: Service
Reassemble gun or return it to your nearest Graco distributor. Do not use gun until 3. Gently slide new heater(s) or sensor into appropri- the problem is corrected. -
Page 12: Inspection Frequency
Service Inspection Frequency 3. Use 11/32 in. wrench to loosen hex nut (4g). 4. Trigger gun and use a 1/8 in. open-end wrench on Dispense Valve flats of needle to turn needle (4a) clockwise one turn as viewed from handle end of gun. Inspect dispense valve at every use for leakage or other visible damage. -
Page 13: Notes
Notes Notes 311209F... -
Page 14: Parts
Parts Parts Models 249514 and 249512, Hot Melt Guns Model 249512 Only 24 1 TI8058 Detail A TI8059 Orient snap rings as shown. For ease of assembly, install pins and snap rings from top to bot- tom. Middle snap ring must be installed facing up, then rotated to position shown. - Page 15 Parts Model 249514 Ref. Manual Hot Melt Gun, Bottom Feed, Extrude, Part No. Description No Switch C78160 TERMINAL 100035 SCREW, 8-32 x .31 Model 249512 103854 SCREW, 6-32 x .25 Manual Hot Melt Gun, Bottom Feed, Extrude, with 120103 SCREW, socket-hd., 8-32 x 2.50 Switch 108483 SCREW, shoulder Ref.
- Page 16 Parts Models 249515 and 249513, Hot Melt Guns Model 249513 Only TI8060 Detail A TI8059 Orient snap rings as shown. For ease of assembly, install pins and snap rings from top to bot- tom. Middle snap ring must be installed facing up, then rotated to position shown.
- Page 17 Parts Model 249515 Ref. Manual Hot Melt Gun, Top Feed, Extrude, No Switch Part No. Description Qty. C78160 TERMINAL Model 249513 100035 SCREW, 8-32 x .31 Manual Hot Melt Gun, Top Feed, Extrude, 103854 SCREW, 6-32 x .25 with Switch 120103 SCREW, socket-hd., 8-32 x 2.50 Ref.
- Page 18 Parts Models 297274 and 297273, Hot Melt Guns Top feed Model 297273 only Bottom feed Model 297274 only 7, 56 TI8061 Detail A TI8059 Orient snap rings as shown. For ease of assembly, install pins and snap rings from top to bot- tom.
- Page 19 Parts Model 297274 Ref. Manual Hot Melt Gun, Bottom Feed, Swirl, Part No. Description Qty. with Switch C20565 WASHER, spring washer 15G060 BLOCK, terminal Model 297273 102975 SCREW, 6-32 x .25 Manual Hot Melt Gun, Top Feed, Swirl, with Switch 39❄...
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Page 20: Accessories
Accessories Accessories Part No. Description C34137 Fitting insulation, 1/8 in. thick x 2 in. wide. Sold by the foot. C33049 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. -
Page 21: Technical Data
Technical Data Technical Data Maximum operating temperature 400°F (204°C) Maximum fluid working pressure 3500 psi (24.1 MPa, 241 bar) Outlet port size 1/4 npt(f) Inlet port size on gun housing 7/8-14 JIC(f) Inlet port size on fluid swivel 7/8-14 JIC(m) Voltage 230/240 Vac Wattage... -
Page 22: Graco Standard Warranty
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.