STUD 0511394 - Caterpillar

Illustration 8 g02224579
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 flange bolt (12) and retainer (13) from stem valve (11). Remove spring (14) and retainer (15) from stem valve (11). Remove probe assembly (16) from stem valve (11).
Illustration 9 g02224635
Remove O-ring seal (17).
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Remove sensor housing (18).
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Remove O-ring seal (19).
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Remove relief valves (20).
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Remove O-ring seal (21), backup ring (22), and O-ring seal (23) from relief (20). Repeat for the other two relief valves.
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Remove retaining ring (24). Use Tooling (A) to remove check valve (25).
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Remove backup ring (26) and O-ring seal (27) from check valve (25).
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Remove nut (28), and coil assembly (29). Repeat for the three other solenoid valves. Remove nut (31) and coil assembly (30).
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Remove all four cartridge assemblies (32). Remove cartridge assembly (33).
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Remove O-ring seal (34) and O-ring seal (35) from cartridge assembly (32). Repeat for the remaining three cartridge valves.
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Remove backup rings (36) and O-ring seal (39) from cartridge valve (33). Remove backup rings (37) and remove O-ring seals (40) and (38) from cartridge valve (33).
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Remove bolts (41) and remove solenoid manifold (42).
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Remove O-ring seals (43) from valve body (44).