HARNESS AS-ENGINE 4829502 - Caterpillar

Disassembly Procedure
Start By:
Remove the pilot oil accumulator (dead engine lower).
Illustration 1 g06242687
Remove solenoid valves (1).
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Remove nut (2) and coil assembly (3).
Remove O-ring seal (5), backup ring (7), O-ring seal (6), and backup ring (8).
Remove O-ring seal (4).
Repeat Steps 2 through 3 for the remaining solenoid valve (1).
Illustration 3 g06243022
Remove check valve assembly (9).
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Remove O-ring seal (10), O-ring seal (11), and backup ring (12).
Illustration 5 g06243086
Remove pressure reducing valve (13).
Illustration 6 g06243139
Remove O-ring seal (16) and backup ring (18).
Remove O-ring seal (15) and backup ring (17).
Remove O-ring seal (14).
Illustration 7 g06243152
Remove pressure reducing valve (19).
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Remove O-ring seal (22) and backup ring (24).
Remove O-ring seal (21) and backup ring (23).
Remove O-ring seal (20).
Illustration 9 g06243159
Remove pressure reducing valve (25).
Illustration 10 g06243168
Remove O-ring seal (28) and backup ring (30).
Remove O-ring seal (27) and backup ring (29).
Remove O-ring seal (26).
Remove the remaining plugs, adapters, and O-ring seals.