SHAFT-PLNTY-YM 3148719 - Caterpillar

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Remove piston (8) from hub (7) .
Remove sleeve bearing (9) .
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Remove seals (10) and (11) from piston (8) .
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Turn over the brake assembly.
Remove ring (12) from hub (7) .
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Fasten a hoist and Tooling (A) to housing (13). Remove the brake assembly from hub (7). The weight of the brake assembly is 86 kg (190 lb).
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Remove bearing (14) from housing (13) .
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Remove three rings (15) from hub (7) .
Remove bearing (16) from the hub.Note: Bolts (19) hold a spring under compression behind the piston. Bolts (17) must be removed before bolts (19).
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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Remove bolts (17) and remove plate (18) from housing (13) .
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Remove brake plates (20) and friction discs (21) from the housing.
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.
Note: Bolts (19) hold a spring under compression. Carefully loosen bolts (19).
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Remove bolts (19) and manifold assembly (22) from housing (13) .
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Remove seals (23) and (24) from manifold assembly (22) .
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Remove piston (25) from housing (13) .
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Note: Note the direction of spring (26) before the spring is removed.
Remove spring (26) from housing (13) .
Remove O-ring seals (27) and (28) .