PUMP GP-GEAR 4557967 - Caterpillar

Illustration 2 g01074416
Illustration 3 g00529035
Remove bolts (3) and actuator assembly (4).
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Loosen nut (5). Remove retainer assembly (6).
Illustration 5 g00529059
Remove O-ring seal (7).
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Mark the position of the key on shaft (8) for assembly purposes. Remove pin (9) that holds actuator (10) to shaft (8).
Illustration 7 g00529078
Remove lip seal (11).
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Use Tooling (A) in order to remove retainer ring (12).
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Remove shaft assembly (8) and actuator (10).
Illustration 11 g00529091
Use Tooling (B) in order to remove retaining ring (14) and bearing (13) from the shaft.
Illustration 12 g00529092
Remove bearing (15) from the cover.
Illustration 13 g00529124
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.
Measure the distance from nut face (17) to the end of sleeve (18). Record this measurement for assembly purposes.
Loosen nut (17). Remove sleeve (18), nut (17) and plunger (19). Remove O-ring seal (16).
Illustration 14 g01074420
Illustration 15 g00529133
Measure the distance from the nut face to the end of the threads on stem (20). Record this measurement for assembly purposes.
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 nut (26), nut (25), retainer (24), spring (23), spring (22) and slug (21) from stem (20).
Repeat steps 12 through 15 for the removal of spool assembly (27).