Graco 3A1494D- Manuals

Page 2 - Warnings; WARNING; SKIN INJECTION HAZARD; in this manual, when you stop spraying and before cleaning,; PRESSURIZED ALUMINUM PARTS HAZARD; fluids containing such solvents.; PERSONAL PROTECTIVE EQUIPMENT

Warnings 2 3A1494D Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion 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 manua...

Page 3 - Instructions; Pressure Relief Procedure; Close the pump air regulator and disconnect the air; very slowly; loosen the dispensing; Disassembly; Disconnect and remove the pump from its installed; NOTICE

Instructions 3A1494D 3 Instructions Always use all new parts included in your kit and dis-pose of replaced parts according to all state and local regulations for disposal of discarded components. Inspect all parts when disassembling the pump. Replace any and all worn and damaged parts. Pressure Reli...

Page 4 - After a few turns, the valve housing should

Instructions 4 3A1494D 4. Secure a strap wrench around the fluid cylinder (32) and a large adjustable wrench on the intake valve housing (28). Turn the adjustable wrench counter clockwise to loosen and remove the valve housing (28) from the fluid cylinder (32) (Fig. 2). NOTE: After a few turns, the ...

Page 5 - Using a 10 mm socket wrench, remove the 5 screws

Instructions 3A1494D 5 7. Using a 10 mm socket wrench, remove the 5 screws (4) from the flange (29). Using your hand, firmly grasp the end of the displacement rod (30) and remove the entire assembly from the air cylinder (27) (Fig. 5). NOTE: Sliding the flat blade of a screw driver between the flang...

Page 6 - Using a 5 mm socket wrench remove the 3 screws; Pump Reassembly; The following instructions describe the proce-; For all reassembly procedures:; Check the polished surfaces for scratches or wear.

Instructions 6 3A1494D 12. Check displacement rod (30) for excessive wear or damage. If displacement rod (30) is damaged, replace the pump. 13. Using a 5 mm socket wrench remove the 3 screws (3) from the bottom cover (26) (Fig. 8). 14. Separate the bottom cover (26) from the flange (29) (Fig. 8). If...

Page 7 - Loctite

Instructions 3A1494D 7 5. Install o-ring (55) in groove on the end of the dis- placement rod (30) (Fig. 12). 6. Push the air piston (21) over the end of the displace- ment rod (30). Apply Loctite® 262 to the bolt (18) shoulder. Install the washer (19) and bolt (18). Hold the displacement rod (30) wi...

Page 8 - Perform any air valve repairs / maintenance

Instructions 8 3A1494D 15). 12. Perform any air valve repairs / maintenance needed. Instructions for these procedures are included in the separate repair manual included with the Air Valve repair kit. 13. Be sure seals (25) are lightly greased and installed on air valve (38). Install air valve on ai...

Page 9 - Repair Kits; When servicing the throat and piston seals, it is; Qty

Instructions 3A1494D 9 Repair Kits All Repairs: • Unless otherwise stated, entirely disassemble pump as described in the pump disassembly instruction section of this manual. • Properly discard all replaced parts according to local and state regulations for disposal of discarded components. • Always ...

Page 10 - Reassemble the pump as described in the Reas-

Instructions 10 3A1494D NOTE: • The bearing (22) is not included in the kit. This part is reused. The bearing can be installed with either side facing up. There is not just one way to install this part. • The bearing (22) is a transitional fit and in some installations it may not be removed. • Be su...

Page 12 - To assemble the new air piston, push the air piston

Instructions 12 3A1494D Pump Disassembly, Follow Pump Disassembly instructions Steps 1 - 10 only, pages 3 - 5. Pump Reassembly 1. Install o-ring (55) in groove on the end of the dis- placement rod (30) (Fig. 27). 2. To assemble the new air piston, push the air piston (21) over the end of the displac...

Page 13 - Use a permanent marker to record the pump part

Instructions 3A1494D 13 6. Install new o-ring (5) around air piston (21), Install new o-ring (6) into bottom cover (26). Be sure to apply a thin coat of water-resistant grease to all o-rings and seals. 7. Slide new air cylinder assembly (27) over the air pis- ton (21) and bottom cover (26) (Fig. 31)...

Page 14 - International Offices:; Graco Information

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/patents. Original instructions. This manual contains Eng...