Advertisement
Quick Links
Repair Instructions
LD Oil Pump Repair
Kits
Instructions for repairing the LD Oil Pump.
Maximum Fluid Pressure - 750 psi (5.17 MPa, 51.7 bar)
Maximum Air Pressure - 150 psi (1.03 MPa, 10.3 bar)
Important Safety Instructions
Read all warnings and instructions in this manual
and in your LD Series Oil or Grease Pump man-
ual. Save all instructions.
Repair Kits:
24H853: Throat and Piston Seal Replacement Kit
24K293: O-Ring Replacement Kit for 3:1 pumps
24H855: O-Ring Replacement Kit for 5:1 pumps
24U230: Air Piston Replacement Kit
3A1494D
EN
Advertisement
Related Manuals for Graco 24H853
Summary of Contents for Graco 24H853
- Page 1 LD Series Oil or Grease Pump man- ual. Save all instructions. Repair Kits: 24H853: Throat and Piston Seal Replacement Kit 24K293: O-Ring Replacement Kit for 3:1 pumps 24H855: O-Ring Replacement Kit for 5:1 pumps 24U230: Air Piston Replacement Kit...
- Page 2 Warnings 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 manual, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
-
Page 3: Pressure Relief Procedure
Instructions 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. 1. - Page 4 Instructions 4. Secure a strap wrench around the fluid cylinder (32) 6. Using a 10 mm socket wrench, remove the 4 screws and a large adjustable wrench on the intake valve (43) from the air valve (38) and completely remove housing (28).
- Page 5 Instructions 7. Using a 10 mm socket wrench, remove the 5 screws 9. Lay the flange assembly on a hard, clean work sur- (4) from the flange (29). Using your hand, firmly face. Use an adjustable wrench to hold the displace- grasp the end of the displacement rod (30) and ment rod (30) securely in place.
-
Page 6: Pump Reassembly
1. Install new o-rings and seals in bottom cover (26) and flange (29) as described in the Throat and Pis- ton Seal Replacement Kit 24H853, page 9. Be sure to apply a thin coat of water-resistant grease to all Fig. 11 o-rings and seals. - Page 7 7. Install new o-ring around air piston (21), and pump piston (33) as described in the Throat and Piston Seal Replacement Kit 24H853, page 9. Be sure to apply a thin coat of water-resistant grease to all o-rings and seals.
- Page 8 Instructions 15). Muffler (21) Installation (Fig. 17) Depending on your installation, the air valve (38) can be mounted with the muffler (21) on either side of the air valve (38). To change the installation location: a. Remove the 4 screws (43). b.
-
Page 9: Repair Kits
Reassemble pump as described in the reassembly instructions, page 6. Fig. 19 Throat and Piston Seal Replacement Kit - 24H853 ( Fig. 19 1. Use a pick to remove the o-ring (5) installed around NOTE: When servicing the throat and piston seals, it is the circumference of the air piston (21) (Fig. - Page 10 Instructions 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.
- Page 11 NOTE: When replacing seals in the pump lower also intake valve housing. service the throat and piston seals. Order repair kit 24H853. 3. Reassemble the pump as described in the Reas- sembly instructions, page 6. Air Piston Replacement Kit - 24U230, Ref.
- Page 12 Instructions Pump Disassembly, NOTE: Loctite® is a registered trademark of the Loctite Corporation. 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.
- Page 13 Instructions 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.
-
Page 14: Graco Information
Graco Information For the latest information about Graco products, visit www.graco.com. TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor. Phone: 612-623-6928 or Toll Free: 1-800-533-9655, Fax: 612-378-3590 All written and visual data contained in this document reflects the latest product information available at the time of publication.