CYL GP 0279 1124282 - Caterpillar

Illustration 11 g00712111
Remove piston (18) from pushrod (16).
Remove pushrod (16) from plug (8).
Illustration 12 g00712118
Remove O-ring seal (11) from plug (8).
Remove cap (2) from plug (8).
Illustration 13 g00712119
Remove packing (3) from plug (8).
Illustration 14 g00712122
Remove outer spring (23).
Remove inner spring (22).
Illustration 15 g00712126
Remove spring seat (27).
Illustration 16 g00712128
Remove balls (33).
Illustration 17 g00712130
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 (34).
Remove retaining ring (32).
Slowly release the pressure on bushing (34).
Illustration 18 g00712136
Remove bushing (34).
Illustration 19 g00712139
Remove spool assembly (15).
Use the following procedure to disassemble spool assembly (15).
Illustration 20 g00712141
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 washer (9) from spool (14).
Remove washer (10) from spool (14).
Remove washer (13) from spool (14).
Illustration 21 g00712165
Remove spring (21).
Repeat Steps 14 through 30 in order to remove the other three spool assemblies.
Illustration 22 g00712170
Remove plugs (31) from body assembly (35).
Illustration 23 g00712173
Remove O-ring seals (30) from plugs (31).
Illustration 24 g00712178
Remove seat (29) and ball (28) from body assembly (35).
Remove plugs (36) from body assembly (35).