PUMP GP-PISTON 3350029 - Caterpillar

Remove retaining ring (31), cup (30), spring (29), driven clutch jaw (28), driving clutch jaw (27), bearing (26), washer (25), lockwasher (24), and bolt (23) from drive shaft (17).
Illustration 13 g00925104
Remove retaining ring (32) and bearing (33) from drive shaft (17). Note: Note: Do not reuse retaining ring (32).
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Use Tooling (C) to remove lock ring (35). Remove bearing (34) from gear case (6).
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Remove spring seat (36) and bearing (37) from drive housing (5).
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Remove lip seal (38) from drive housing (5).
Illustration 17 g00925114
To ensure correct assembly, mark the position of cover (39) in relation to motor housing (3). Remove cover (39) and remove the O-ring seal from motor housing (3).
Illustration 18 g00925116
Remove bolt (41) and rotor pinion (40) from the rotor in the motor housing.
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Loosen hex socket head bolt (43) and remove rotor clamp nut (42). Remove bearing (44) from rear end plate (45).
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Remove O-ring seal (46) and rear end plate (45).
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Remove vanes (47) from rotor (48).
Remove rotor (48) from the motor housing.
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Use a suitable press to remove bearing (49) and front end plate (50) from rotor (48) as a unit.
Illustration 23 g00925157
Remove bearing (49) from front end plate (50).
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Remove washers (51) from front end plate (50).
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Remove O-ring seals (52) from rotor cylinder (53).
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Remove rotor cylinder (53) from motor housing (3). Remove O-ring seals (54) from the rotor cylinder.