HOUSING 7W4112 - Caterpillar

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Personal injury can result from parts under high spring pressure.Spring force can cause parts to come off suddenly. Contact your Caterpillar dealer for disassembly instructions before removing any parts.
Remove bolt (19) and spring assembly (20) from the spool assembly. Remove bushing (21) and O-ring seal (22) from the spool assembly.
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Remove bushing (23) and O-ring seal (24) from the opposite end of the valve body.
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Remove plug assembly (25) from the valve body.
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Remove O-ring seal (27) and seal (26) from plug assembly (25) .
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Remove copper seal (28) from the valve body. Remove plug assembly (30) from inlet manifold (29) .
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Remove O-ring seal (33), seal (32), and O-ring seal (31) from plug assembly (30) .
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Remove fitting (34) from the inlet manifold.
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Remove O-ring seal (35) from fitting (34) .
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Remove two nuts (37) and the two washers for removal of the bracket from the inlet manifold. Remove four nuts (36) and the four washers. Remove inlet manifold (29) .
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Remove plug assembly (38) and the O-ring seal.
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Remove O-ring seals (41) from the valve body. Remove two fittings (39) and the two O-ring seals. Remove plug assembly (40) and the O-ring seal. Remove valve body (2) from the outlet manifold.
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Remove O-ring seals (43), studs (44), the washers, and the nuts from outlet manifold (42) .
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Remove fitting (45) and fittings (46) from the outlet manifold.
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Place the outlet manifold in a vise, as shown. Remove two bolts (47) and the two washers. Remove the outlet manifold from bracket (48) .