SEAL 1282043 - Caterpillar

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Install O-ring seal (52) on relief valve (50). Install the two backup rings and O-ring seal (51). Install relief valve (50). Tighten relief valve (50) to a torque of 50 7 N m (37 5 lb ft).
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Install O-ring seal (46) on plug (47). Install plug (47). Install O-ring seal (44) on plug (45). Install plug (45).
Install O-ring seal (48) on fitting (49). Install fitting (49).
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Install O-ring seal (41), backup ring (43), O-ring seal (42), backup ring (40), and O-ring seal (39).
Install pressure reducing valve (38). Tighten pressure reducing valve (38) to a torque of 60 7 N m (44 5 lb ft).
Install O-ring seal (36) on plug (37). Install plug (37).
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Install O-ring seal (34) and fitting (35).
Install O-ring seal (33) on plug (31). Install plug (31). Install O-ring seal (32) on plug (30). Install plug (30).
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Install O-ring seal (27). Install backup ring (29), O-ring seal (26), and backup ring (28).
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Install relief valve (25). Tighten relief valve (25) to a torque of 60 6 N m (44 4 lb ft). Install plug (24). Install O-ring seal (23).
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Install O-ring seal (20), backup seal (24), O-ring seal (19), backup ring (23), backup ring (22), O-ring seal (18), backup ring (21), ball (17), and seat (16).
Install shuttle valve (15). Tighten shuttle valve (15) to a torque of 35 3 N m (26 2 lb ft).
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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 shims (14), retainer (10), washer (13), spring (9), spring retainer (8), washer (12), and bolt (7) to valve spool (11). Install valve spool (11).
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Install cover (5) and bolts (6).
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Install fitting (3). Tighten jam nut (4).
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Install the O-ring seals, manifold (1), and bolts (2).