Instructions G40 Air Assisted Spray Gun 311937G EN For the application of architectural paints and coatings. For professional use only. Model: 288513, 289604 Maximum Working Pressure: 4000 psi (280 bar, 28 MPa) Maximum Air Working Pressure: 100 psi (7 bar, 0.7 MPa) IMPORTANT SAFETY INSTRUCTIONS. Refer to your sprayer instruction manual for Pressure Relief, priming and spray instructions. Keep these instructions.
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 hazard symbols refer to procedure-specific risks. Refer back to these Warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. WARNING WARNING SKIN INJECTION HAZARD High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin.
Warnings WARNING WARNING PRESSURIZED ALUMINUM PARTS HAZARD Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use can cause serious chemical reaction and equipment rupture, and result in death, serious injury, and property damage.
Warnings Pressure Relief Procedure 2. Follow this Pressure Relief Procedure whenever instructed to relieve pressure, stop spraying, check or service equipment, or install or clean spray tip. 1. Lock trigger. Turn OFF power and turn pressure control to lowest pressure setting. 2. Unlock trigger. Hold gun against side of flushing pail. Trigger gun into pail to relieve pressure.
Warnings Clearing a Clog 1. 2. 3. Maintenance Relieve pressure. Lock trigger (1a). Rotate tip (33) 180°. Unlock trigger (1a). Trigger gun into pail or onto ground to remove clog. Lock trigger (1a). Rotate tip (33) 180° back to spray position. Spraying Refer to your Sprayer Instruction manual. The following instructions are for guns used with Graco’s FinishPro Sprayers. Before performing any maintenance on gun, read all warnings on front cover of this manual and relieve pressure, page 4.
Warnings 14. If the diffuser (5) was removed, trigger the gun while you reinstall the diffuser with the gun tool (30). Tighten the diffuser securely to obtain a good seal. Torque to 155-165 in-lb (18-19 N.m). When properly tightened, the flange will bottom out on the gun. 15. Install tip (33) and guard (6) on gun, page 4. 16. Using a soft cloth dampened in solvent, wipe off outside of gun. 17. After cleaning, lubricate the following parts weekly with lubricant 111265.
Warnings Fluid Tube Replacement (16) 1. 2. 3. 6. Remove the air inlet fitting (17) using the gun tool (30) and remove the screw (20) using a 3/16 in. hex wrench. Unscrew the fluid inlet fitting (25). Remove and clean or replace the inline fluid filter (24). Unscrew fluid tube connector (16a) from fluid inlet. Carefully remove gasket (22). 7. 8. 22 Install the two springs (15 and 19). Screw the spring cap (11) into the back of the gun body. Torque to 175-185 in-lb (20-21 N•m).
Parts Parts 5e 33b 5a 35 5c 5d 5b 5f 33a 15 11 6a 4 6 13 8 7 19 33 10 9 1 2a 2 17 16 12 36 24 24a 20 Ref. Part No. Description 19 20 8 28 ti7203d 25 2a* 3 4 5 5a 5b◆ 5c◆ 5d◆ 5e* 5f* 6 6a* 7* 8* 9 10 11 12 13 14 15 16 17 30 14 3 22 1 1a 2◆ 29 1a Qty.
Technical Data Technical Data Maximum Working Fluid Pressure..............................................................4000 psi (28 MPa, 280 bar) Maximum Working Air Pressure.................................................................100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Temperature........................................................ 110° F (43° C) Fluid inlet.................................................................................................... 1/4-18 npsm Air Inlet....
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.
