| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 1P-1856 | Pliers | 1 |
Start By:
- Remove the piston motor (hydraulic cooling fan). Refer to Disassembly and Assembly, "Piston Motor (Hydraulic Cooling Fan) - Remove" in this manual.
Note: The weight of the fan pump is
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
| NOTICE |
|---|
|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Remove fittings (1) from block (2).
Show/hide table
Illustration 2 g00846828 - Remove bolts (3) from block (2). Remove block (2).
Show/hide table
Illustration 3 g00847590 Show/hide table
Illustration 4 g00847615 - Remove O-ring seals (6) from cover (5).
- Remove bolts (4). Remove cover (5).
Show/hide table
Illustration 5 g00847625 - Remove O-ring seal (7) from cover (5).
Show/hide table
Illustration 6 g00847634 - Remove port plate (8) from cover (5).
Note: Take note of the slot in the reverse side of port plate (8). The slot will receive a pin in cover (5).
Show/hide table
Illustration 7 g00847674 - Remove dowel (9) from cover (5). Remove bearing cup (10) from cover (5).
Show/hide table
Illustration 8 g00847687 - Remove bearing (11) from shaft (12).
Show/hide table
Illustration 9 g00847706 - Remove shim (13) from shaft (12).
Show/hide table
Illustration 10 g00847728 - Remove rotating group (15) and shaft (12) from housing (14).
Show/hide table
Illustration 11 g00847761 - Remove shaft (12) from rotating group (15).
Show/hide table
Illustration 12 g00847916 - Install shaft (12) into a suitable press. Remove bearing (16) from shaft (12).
Show/hide table
Illustration 13 g00847949 - Remove swashplate (17) from the top of rotating group (15).
Note: Take note of the notches in the top of swashplate (17).
Show/hide table
Illustration 14 g00847964 - Remove pistons and plate (18) from barrel (19).
Place a mark on the pistons prior to removal from barrel (19). The pistons must be returned to the original position.
Show/hide table
Illustration 15 g00847984 - Remove guide (20) from barrel (19).
Show/hide table
Illustration 16 g00848018 Show/hide table
Sudden release of spring force can cause injury.
To prevent the possibility of injury, follow the procedure to relieve the spring pressure.
- Rotate barrel (19). Place barrel (19) into a suitable press.
- Compress the spring. Use Tooling (A) in order to remove snap ring (21). Slowly release the pressure on the spring.
Show/hide table
Illustration 17 g00848028 - Remove snap ring (21), spring (22), washer (23), and pins (24) from barrel (19).
Show/hide table
Illustration 18 g00848034 - Use Tooling (A) in order to remove snap ring (25) from housing (14).
Show/hide table
Illustration 19 g00848046 - Remove seal (26) from housing (14).
Show/hide table
Illustration 20 g00848054 - Rotate the pump housing. Remove bearing cup (27). Remove plate (28).
Note: Plate (28) is located under bearing cup (27).
Show/hide table
Illustration 21 g00848072 - Remove plug (29). Remove O-ring seal (30).
| |
| Illustration 1 | g00846825 |
