TOOTH GP-TRENCHER 2633427 - Caterpillar

Illustration 10 g00416803
Remove three nuts (26). Separate valve groups (27) and (28) .Note: Valve group (27) is for the tilt circuit. Valve group (28) is for the lift circuit.Note: Steps 16 through 24 are for the disassembly of valve group (28) for the lift circuit.
Illustration 11 g00414058
Remove two O-ring seals (29) and two fittings (30) .
Illustration 12 g00414059
Illustration 13 g00414061
Remove two valve assemblies (31). The valve assembly includes the valve body, the spring, and the spool.
Illustration 14 g00414098
Remove the following items from valve body (34) : O-ring seal (32), O-ring seal (33) and backup ring (35) .
Illustration 15 g00414140
Remove pin (38) and seat (36) from spool (37) .
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Remove two caps (41) from plunger capsule assemblies (39) and (40) .
Illustration 17 g00414198
Note: Mark the location of each plunger capsule assembly prior to removal. It is important to install each plunger capsule assembly in the original location during assembly.
Remove plunger capsule assemblies (42) and (43) from the valve body.
Illustration 18 g00414618
Illustration 19 g00414638
Note: Step 22 is for the disassembly of plunger capsule assembly (42) .
Remove the following items from plunger (44) : ring (52), seat (51), spring (50), ring (49), seat (48), retainer (47), cap (46) and spring (45) .
Illustration 20 g00414683
Remove O-ring seal (53) and lip seal (54) from cap (46) .
Repeat Steps 21 through 23 for the remaining plunger capsule assembly.Note: The valve groups for the tilt circuit and for the auxiliary circuit contain a different type of plunger capsule assembly. Steps 25 and 26 are for the disassembly of plunger capsule assembly (55).
Illustration 21 g00414688
Illustration 22 g00414690
Remove the following items from plunger (56) : ring (63), seat (62), spring (61), ring (60), seat (59), retainer (58) and cap (57) .
Illustration 23 g00414701
Remove O-ring seal (64) and lip seal (65) from cap (57) .