KIT-SEAL 3956864 - Caterpillar

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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.
Remove plug (8) and the pushrod from the body assembly.
Illustration 9 g00712111
Remove piston (18) from pushrod (16).
Remove pushrod (16) from plug (8).
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Remove O-ring seal (11) and cap (2) from plug (8).
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Remove packing (3) from plug (8).
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Remove outer spring (23) and inner spring (22).
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Remove spring seat (27).
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Remove balls (31).
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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.
Apply pressure to bushing (32).
Remove retaining ring (30).
Slowly release the pressure on bushing (32).
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Remove bushing (32).
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Remove spool assembly (15).
Use the following procedure to disassemble spool assembly (15).
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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.
Apply pressure to seat (1) by hand. Put the end of spool (14) in the slotted opening of seat (1). Remove seat (1).
Remove spring (7) from spool (14).
Remove washers (9), (10), and (13) from spool (14).
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Remove spring (21).
Repeat Steps 8 through 22 in order to remove the other three spool assemblies.
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Remove seat (29), ball (28), and plugs (34) from body assembly (33).