| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 9X-8258 | Washer | 1 |
Start By:
- Remove the control valve (auxiliary).
| NOTICE |
|---|
|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
| 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. |
- Disconnect harness assemblies (1). Remove bolt (2).
Show/hide table
Illustration 2 g03572796 Typical example - Remove nuts (3).
Show/hide table
Illustration 3 g03572816 - Remove valve block (4).
Show/hide table
Illustration 4 g03572859 - Remove main relief plug (5).
Show/hide table
Illustration 5 g03572876 - Remove O-ring seals (6) and (7) from main relief plug (5).
Show/hide table
Illustration 6 g06131436 - Remove shuttle valve (8).
Show/hide table
Illustration 7 g03572898 - Remove backup ring (13) and O-ring seal (12) from shuttle valve (8). Remove O-ring seal (15) and backup ring (14). Remove backup ring (11) and O-ring seal (10). Remove O-ring seal (9).
Show/hide table
Illustration 8 g03572916 Note: Mark the orientation of fitting (16) for assembly purposes.
- Remove fitting (16) and the O-ring seal.
Show/hide table
Illustration 9 g03572936 - Remove orifice (17).
Show/hide table
Illustration 10 g03572956 Note: Mark the orientation of fitting (18) for assembly purposes.
- Remove fittings (18) and (19) and the O-ring seals from valve block (4). Remove plug (20) and the O-ring seal.
Show/hide table
Illustration 11 g03572976 - Remove O-ring seals (21), O-ring seals (22), and O-ring seal (23).
Show/hide table
Illustration 12 g03572997 - Remove valve body (24).
Show/hide table
Illustration 13 g03573016 Show/hide table
Personal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to release the spring force.
- Remove housing assembly (25).
Show/hide table
Illustration 14 g03573038 - Remove O-ring seals (26) and O-ring seal (27) from housing assembly (25).
Show/hide table
Illustration 15 g03573058 Note: Mark the orientation of solenoid (29) for assembly purposes.
- Remove nut (28) and solenoid (29).
Show/hide table
Illustration 16 g03573076 - Remove cartridge (30).
Show/hide table
Illustration 17 g03573096 - Remove O-ring seals (33), (32), and (31) from cartridge (30).
Show/hide table
Illustration 18 g03573138 Note: Mark the orientation of fitting (34) for assembly purposes.
- Remove fitting (34) and the O-ring seal from housing assembly (25).
Show/hide table
Illustration 19 g03573139 - Remove retainer (38), spring (37), retainer (36), and spool (35) from valve body (24).
Show/hide table
Illustration 20 g03334879 - Remove relief and check valve assembly (39).
Show/hide table
Illustration 21 g03335350 - Measure Dimension (X). Record Dimension (X) for assembly purposes.
- Remove nut (40) from relief and check valve assembly (39).
Show/hide table
Illustration 22 g03335404 Show/hide tablePersonal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to release the spring force.
- Remove retainer assembly (41).
Show/hide table
Illustration 23 g03335408 - Remove O-ring seal (42) from retainer assembly (41). Remove spring (43) and valve (44).
Show/hide table
Illustration 24 g03335411 - Remove valve (45) and spring (46). Remove O-ring seal (47), backup ring (48), and O-ring seal (49) from body assembly (50).
Show/hide table
Illustration 25 g03335414 - Remove stem (51) and retaining ring (52) from valve (45). Remove plug (53) and the O-ring seal.
Show/hide table
Illustration 26 g03335480 Show/hide table
Illustration 27 g03573176 - Use Tooling (A) and a suitable press to remove bearing (54) and seat (55) from body assembly (50).
Show/hide table
Illustration 28 g03335632 - Remove seal (56) from body assembly (50).
Show/hide table
Illustration 29 g03335640 Show/hide tablePersonal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to release the spring force.
- Remove plug (57).
Show/hide table
Illustration 30 g03335673 - Remove O-ring seal (60) from plug (57). Remove spring (59) and valve (58).
Show/hide table
Illustration 31 g03335675 Show/hide tablePersonal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to release the spring force.
- Remove housing assembly (61).
Show/hide table
Illustration 32 g03335678 - Remove O-ring seals (62) and O-ring seal (63) from housing assembly (61).
Show/hide table
Illustration 33 g03335685 Note: Mark the orientation of solenoid (65) for assembly purposes.
- Remove nut (64) and solenoid (65).
Show/hide table
Illustration 34 g03335690 - Remove cartridge (66).
Show/hide table
Illustration 35 g03335691 - Remove O-ring seals (67) from cartridge (66).
Show/hide table
Illustration 36 g03335692 Note: Mark the orientation of fitting (68) for assembly purposes.
- Remove fitting (68) and the O-ring seal from housing assembly (61).
Show/hide table
Illustration 37 g03335695 - Remove retainer (71), spring (70), and retainer (69).
Show/hide table
Illustration 38 g03335697 - Remove relief and check valve assembly (72).
Show/hide table
Illustration 39 g03335700 - Measure Dimension (Y). Record Dimension (Y) for assembly purposes.
- Remove nut (73) from relief and check valve assembly (72).
Show/hide table
Illustration 40 g03335705 Show/hide tablePersonal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to release the spring force.
- Remove retainer assembly (74).
Show/hide table
Illustration 41 g03335706 - Remove O-ring seal (75) from retainer assembly (74). Remove spring (76) and valve (77).
Show/hide table
Illustration 42 g03335718 - Remove valve (78) and spring (79). Remove O-ring seal (80), backup ring (81), and O-ring seal (82) from body assembly (83).
Show/hide table
Illustration 43 g03335722 - Remove stem (84) and retaining ring (85) from valve (78). Remove plug (86) and the O-ring seal.
Show/hide table
Illustration 44 g03335792 Show/hide table
Illustration 45 g03335794 - Use Tooling (C) and a suitable press to remove bearing (87) and seat (88) from body assembly (83).
Show/hide table
Illustration 46 g03335795 - Remove seal (89) from body assembly (83).
Show/hide table
Illustration 47 g03335796 - Remove bolts (90) and valve (91).
Show/hide table
Illustration 48 g03335804 - Remove O-ring seal (92) from valve (91).
Show/hide table
Illustration 49 g03335806 - Remove cap (93) from valve (91).
Show/hide table
Illustration 50 g03337117 Show/hide tablePersonal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to release the spring force.
- Measure Dimension (Z). Record Dimension (Z) for assembly purposes.
- Remove nut (94) from valve (91).
Show/hide table
Illustration 51 g03335807 - Remove retainer (95), spring (96), and valve (97) from valve (91).
Show/hide table
Illustration 52 g03335865 - Remove O-ring seal (98) and backup ring (99).
Show/hide table
Illustration 53 g03335869 - Remove seat (100) from valve (91).
Show/hide table
Illustration 54 g03335874 - Remove O-ring seal (101) from seat (100).
Show/hide table
Illustration 55 g03335878 - Remove spring (103) and valve (102).
Show/hide table
Illustration 56 g03335904 - Remove plug (104) and the O-ring seal.
Show/hide table
Illustration 57 g03335907 - Remove orifice (105) (not shown).
Show/hide table
Illustration 58 g03335912 - Remove plug (106) and the O-ring seal. Remove plug (107) (not shown) and the O-ring seal.
Show/hide table
Illustration 59 g03335914 - Remove plug (108) and the O-ring seal.
Show/hide table
Illustration 60 g03335920 - Remove fittings (109).
Show/hide table
Illustration 61 g03335923 - Remove bolts (110) from cover (111).
Show/hide table
Illustration 62 g03335941 - Remove plug (112) and the O-ring seal.
Show/hide table
Illustration 63 g03335944 - Remove O-ring seals (113), O-ring seals (115), and O-ring seal (116) from cover (111). Remove fitting (114) and the O-ring seal.
| |
| Illustration 1 | g03572759 |
