PUMP GP-GR A 2183144 - Caterpillar

Remove bolts (20) and head (21) .
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Remove plate (22) .
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Remove bearing cup (23) and pin (24) .Note: Place the steering pump on suitable blocks, as shown.
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Remove bearing cone (26) and gasket (25) .
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Remove shim (28) and barrel assembly (29) .
Remove spring (27) and piston (30) .
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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.
Use Tooling (A) and a suitable press to disassemble barrel assembly (29) .
Compress spring (31) until Tooling (A) is below retaining ring (33) .
Remove retaining ring (33) and slowly release the spring tension.
Remove spring (31) and washers (32) .
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Remove bolts (34) and cover (35) .
Remove plug (36) .
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Remove O-ring seal (38) from the cover. Remove O-ring seal (39) from the plug.
Remove shaft (37) .
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Remove bolts (40) and two spacer plates (41) .
Remove pistons (42) and the plate.
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Remove spacer plates (43) and swashplate (44) .
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Remove bearing cone (45) .
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Use Tooling (B) in order to remove retaining ring (46) and seal (47) .
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Remove bearing cup (48) .
Remove screws (50). Remove bearings (49) and (51) .