Instruction/ maintenance manual of the product 3A1495C Graco
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Repair Instructions LD Grease Pump Repair Kits 3A1495C Instructions for repairing the LD Grease Pump. Maximum Fluid Press ure - 7500 psi (51. 7 MPa, 517 bar) Maximum Air Pressur e - 150 psi (1.
Warnings 2 3A1495C Warnings The following warnings are fo r the setup, use, grounding, mainte nance, and repair of th is equipment. The exclama- tion point symbol alerts you to a genera l warning and the ha zard symbols refer to procedure-specific r isks.
Instructions 3A1495C 3 Instructions Always use all new parts included in your kit an d dis- pose of replaced parts according to all state and local regulations for disposal of discarded components. Inspect all parts when disassem bling the pump. Replace any and all worn an d damaged pa rts.
Instructions 4 3A1495C 4. Secure a strap wrench around the shovel cylinde r (27). Use the strap wrench to turn the shovel cylin- der counte r-clockwise to loosen and r emove it fro m the pump assem bly (Fig. 2). NOTE: After a few turns, the shovel c ylinder should be loose enough to finish turning it with yo ur hand to remove this pa rt.
Instructions 3A1495C 5 8. If the gasket (30) is still inside the spacer cylinder (36) use a pick to remove. 9. Secure a strap wrench around the spacer cylinder (36) and use it to turn the cylinder cou nter clockwise to loosen and remove it from the fla nge (22) (Fig.
Instructions 6 3A1495C force to hold the pump in position. The pump cylin- der is aluminum and could be dama ged by using excessive clamping force. 16. Using a 10 mm socke t wr ench, remove the 4 screws (43) from the air valve (40) and complete ly remove air valve assembly from air cyl inder (21).
Instructions 3A1495C 7 Pump Reassembly NOTE: The following instructions d escribe the proce- dure to follow to reassemble a complet ely disassemb led LD grease pump. Depending on the rep air/maintenance procedure you are perfor ming on the pump, it may not be entirely disassembled .
Instructions 8 3A1495C 6. Install the 5 screws (4) wrench tight only. NOTE: If installing a new ai r cylinder (27), the mat- ing holes are not th readed by desig n. Use thread forming scre ws (4) to f orm thread s as they ar e being installed. Torque to 95-105 in.
Instructions 3A1495C 9 17. Screw the piston rod (23) an d the connecting rod (32) togeth er aligning the pin hole in both pieces to allow the pin to be pushed through (Fig.
Instructions 10 3A1495C intake seal on the priming rod as sh own in Fig. 20. 26. Install seal retainer (29) over p riming rod (34) (Fig. 22). 27. Use an adjustable wr ench to tighten seal retaine r securely, then tor que to 45 - 55 ft lbs (61 - 75 N.m).
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), .
Instructions 12 3A1495C 4. Remove nut retainer (37) from flange (22) (Fig. 28). 5. Remove u-cup seal (1 1) from flange (22) (Fig. 29 ). Grease and replace th e u-cup seal with the new p art included in the ki t and install them in the order shown in Fig.
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 tu be (36) (Fig. 32). Grease the new gasket included in the kit and install it inside the flange.
Instructions 14 3A1495C 3. Pull spac er cylinder ( 36) away f rom pump to access pin (8) (Fig. 36). 4. Use a rubber hammer an d small punch to drive the pin (8) out. 5. Unscrew the pump low er from di splacement rod (25). Set aside pump lower for reasse mbly.
Instructions 3A1495C 15 Fig. 38. 4. Remove pilot valve (20) from the old air cylinde r (21). Apply a light coat of grease to o-rings. 5. Install pilot valve (20) in to new air cylinder included in the kit (Fig. 39). To rq ue to 95-1 05 in. lbs (10.7-11.
All written and visual data contained in this document reflects the latest product info r mation available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. For patent information, see www.graco.com/patents.
An important point after buying a device Graco 3A1495C (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco 3A1495C yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco 3A1495C - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 3A1495C you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 3A1495C will certainly help you make a decision on the purchase.
If you already are a holder of Graco 3A1495C, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco 3A1495C.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 3A1495C. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 3A1495C along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
