NUT-SPECIAL 3700495 - Caterpillar

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Install retainer plate (36) with pistons (35) into barrel assembly (31).
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Install barrel assembly (31).
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Install retainer (37), retainer (33), bolts (34), and bolts (38). Apply thread lock to the threads of bolts (38). Note: Bolts (38) and (34) should be replaced with new bolts.
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Install rods (24) and (25) and O-ring seal (26).
Install spring (22), piston (20), piston (23), and spring (21).
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Install bearing (28) and port plate (29) to head assembly (19). Use tooling (J) to retain port plate (29) to head assembly (19).
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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.
Attach Tooling (B) and a suitable lifting device to head (19) and install head (19).
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Install bolts (18).
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Use Tooling (A) in order to install retaining clip (27) to shaft (52).
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Install impeller (17). Use Tooling (A) in order to install retaining ring (16).
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Install the O-ring seal, cover (15), and bolts (14).
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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 spool (5), retainer (6), spring (7), spring (8), retainer (9), O-ring seal (10), and valve (11).
Install spool (5A), retainer (6A), spring (7A), retainer (7B), O-ring seal (12), and valve (13).
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Install O-ring seals (4).
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Install valve (2) and bolts (3).
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Install plug (1) and the O-ring seal. End By:
Install the piston pump.