Graco 3A1495C- User Manual

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 3A1495C 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; very slowly; loosen the dispensing; Disassembly; Pressure Relief Procedure; Disconnect and remove the pump from its installed

Instructions 3A1495C 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 - Secure a strap wrench around the shovel cylinder

Instructions 4 3A1495C 4. Secure a strap wrench around the shovel cylinder (27). Use the strap wrench to turn the shovel cylin-der counter-clockwise to loosen and remove it from the pump assembly (Fig. 2). NOTE: After a few turns, the shovel cylinder should be loose enough to finish turning it with ...

Page 6 - Throat and Piston Seal

Instructions 6 3A1495C force to hold the pump in position. The pump cylin-der is aluminum and could be damaged by using excessive clamping force. 16. Using a 10 mm socket wrench, remove the 4 screws (43) from the air valve (40) and completely remove air valve assembly from air cylinder (21). Also re...

Page 7 - Pump Reassembly; The following instructions describe the proce-; For all reassembly procedures:; Apply a thin coat of grease round the top of the dis-

Instructions 3A1495C 7 Pump Reassembly NOTE: The following instructions describe the proce- dure to follow to reassemble a completely disassembled LD grease pump. Depending on the repair/maintenance procedure you are performing on the pump, it may not be entirely disassembled. See the specific secti...

Page 8 - To ensure there is a proper seal between the air

Instructions 8 3A1495C 6. Install the 5 screws (4) wrench tight only. NOTE: If installing a new air cylinder (27), the mat- ing holes are not threaded by design. Use thread forming screws (4) to form threads as they are being installed. Torque to 95-105 in.-lbs (10.7 - 11.8 N.m) to ensure full threa...

Page 9 - Check to make sure there is end play at all pinned

Instructions 3A1495C 9 17. Screw the piston rod (23) and the connecting rod (32) together aligning the pin hole in both pieces to allow the pin to be pushed through (Fig. 19). 18. Replace the pin (8). Use a rubber hammer to tap the pin into place, being careful to make sure the sides of the pin are ...

Page 10 - intake seal on the priming rod as shown in Fig. 20.; Repair Kits

Instructions 10 3A1495C intake seal on the priming rod as shown in Fig. 20. 26. Install seal retainer (29) over priming rod (34) (Fig. 22). 27. Use an adjustable wrench to tighten seal retainer securely, then torque to 45 - 55 ft lbs (61 - 75 N.m). 28. Install the priming piston (35 and nut (19) (Fi...

Page 11 - Disassemble the pump following Disassembly; Qty; GASKET

Instructions 3A1495C 11 Throat and Piston Seal Replacement Kit - 24H854 ( Fig. 25 ) Replacement parts for o-ring (5) installed on air piston (15), o-rings (6 and 12) installed in bottom cover (14), o-ring (7), u-cup seal (11) and gasket (30) installed on flange (22), pin (8) used to reassemble rod s...

Page 12 - Reassemble the pump as described in the Reas-

Instructions 12 3A1495C 4. Remove nut retainer (37) from flange (22) (Fig. 28). 5. Remove u-cup seal (11) from flange (22) (Fig. 29). Grease and replace the u-cup seal with the new part included in the kit and install them in the order shown in Fig. 29. NOTE: • The bearing (31) is not included in th...

Page 13 - Air Piston Replacement Kit - 24U984

Instructions 3A1495C 13 1. Disassemble the pump following Disassembly Steps 1-14 (pages 3-5) only. 2. Use a pick to remove the gasket (30) installed between the flange (22) and tube (36) (Fig. 32). Grease the new gasket included in the kit and install it inside the flange. 3. Use a pick to remove th...

Page 15 - To ensure there is a proper seal between the air

Instructions 3A1495C 15 Fig. 38. 4. Remove pilot valve (20) from the old air cylinder (21). Apply a light coat of grease to o-rings. 5. Install pilot valve (20) into new air cylinder included in the kit (Fig. 39). Torque to 95-105 in. lbs (10.7-11.9 N.m). 6. Apply a thin coat of grease to o-rings (5...

Page 16 - International Offices:; Graco Information; NOTICE

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...

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