SEAL 1M7938 - Caterpillar

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Install spacer (37) .
Use Tooling (A) to install retaining ring (36) .
Install rotating group (38) .
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Install shims (35) and spring (34) into barrel (31) .
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Install barrel (31) onto the piston assembly.
Install O-ring seal (32) onto housing (33) .
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Install screw (30) (not shown), locknut (29) (not shown) and cap (26).
Install plug (28) and the O-ring seal into the housing. Tighten plug (28) to a torque of 127 N m (94 lb ft).
Install plug (27) and the O-ring seal into the housing.
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Install piston (25) and pin (24) .
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Install O-ring seal (21), O-ring seal (22), and bolt (23) .
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Install cover (20) and bolts (19) .
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Install O-ring seals (18) .
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Install O-ring seal (16), valve (15), and adjustment screw (17) .
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Install spring (14), spring (13), retainer (12), piston (11), spring (10), and poppet (9) .
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Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install cover (8) and bolts (7) .
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Install port plate (6) .
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Install O-ring seal (4) and O-ring seal (5) .
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Install head (2) and bolts (1) .
Install check valves (3) .End By: Install the hook winch motor. Refer to Disassembly and Assembly, "Hook Winch Motor - Install".