CONTROLLER 3136843 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0074 Slide Hammer Puller Gp 1 Start By:
Remove the gerotor motor.
Illustration 1 g00635481Note: Cleanliness is an important factor. Make sure that the component is clean and free of foreign material prior to the disassembly procedure.
Remove bolts (1) and cover (2) from the motor assembly. Remove the O-ring seal from cover (2).
Illustration 2 g00635483
Remove outer cover plate (3) and inner plate (4) from the motor assembly.
Illustration 3 g00635484
Remove seal (5) from inner plate (4).
Illustration 4 g00635485
Remove manifold (6) from the motor assembly. Remove the O-ring seals that are on both sides of manifold (6).
Illustration 5 g00992952
Remove outer rotor (7) with the O-ring seal (not shown). Remove the O-ring seal from outer rotor (7).
Remove pins (8) and inner rotor (9) from the motor assembly.
Illustration 6 g00635487
Remove spacer (10) from the motor assembly.
Illustration 7 g00635489
Remove link (11) and bearing (12) from the motor assembly.
Illustration 8 g00926228
Remove shaft (16). If the gerotor motor (circle drive) is equipped with needle bearing (13), use Tooling (A) (not shown) to remove needle bearing (13). Remove two races (15) and bearing (14) from the motor assembly.
Illustration 9 g00926500
Illustration 10 g00926498
Remove lip seal (17). Use Tooling (A) to remove bearing (18) from the motor assembly.
Illustration 11 g00926499
Illustration 12 g00926979
Remove backup ring (19) and the shim from the motor assembly. Remove lip seal (20). Remove O-ring seal (21) from the motor assembly.