RING, RETAINING 63000389 - Caterpillar

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Remove the shim for the bearing preload (27) from shaft (24) .
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Remove rotating group (28) from housing (3). Carefully retain the rotating assembly (28) in housing (3). Turn the rotating assembly upside-down. Slowly lift housing (3) off rotating group (28) .
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Note: Mark the location of pistons for assembly purposes.
Remove plate (29) and pistons (30) from barrel (31). Remove retaining ball (32) .
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.
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Use Tooling (A) and a press in order to compress spring (34) until the snap ring (33) can be removed from barrel (31) with Tooling (B). Slowly release the pressure on the press because of the spring pressure. Remove barrel (31) from the press. Remove spring (34), retaining disc (35), and pressure pins (36) .
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Remove plug (37) and the O-ring seal.
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Remove piston (38) from housing (3) .
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Note: The rod is engaged in the socket by the edges of the socket. Extreme care must be used in order to disengage the rod from the socket. Remove the actuator rod out of the smooth shaped socket.
Angle the swashplate (39) so rod (40) extends out of the bore. Remove rod (40) from the socket in swashplate (39) .
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Remove swashplate (39) from housing (3). Check the condition of socket (41) .
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Remove spring (44) .
Remove bearings (42) .
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Lift shaft (24) out of the housing (3). If necessary, press bearing (43) off shaft (24).
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Use Tooling (C) in order to remove snap ring (44) from housing (3) .
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Remove seal (45) from housing (3) .