PUMP GP-PISTON 9T4699 - Caterpillar

Assemble O-ring (30), backup ring (29), and O-ring (28) to relief valve (27) .
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Install relief valves (27) and (26). Tighten the relief valves to 70 7 N m (52 5 lb ft).
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Install the boom valve. Install four O-rings (25) and three washers (24) .
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Assemble swing valve (23). Refer to steps 8 through 20 for the proper procedure.
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Assemble O-rings (22), (21), (20) and (19) to relief valve (18) .
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Install two relief valves (17) and (18) to the swing valve. Tighten the relief valves to 70 7 N m (52 5 lb ft).
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Install the swing valve. Install four O-rings (16) and three washers (15) .
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Assemble bucket valve (14). Refer to steps 8 through 20 for the proper procedure.
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Assemble O-ring (13), backup ring (12), and O-rings (11) to relief valve (10) .
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Install two relief valves (10). Tighten relief valves (10) to 75 8 N m (55 6 lb ft).
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Install the bucket valve. Install three washers (9) and four O-rings (8) .
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Assemble stick valve (7). Refer to steps 8 through 20 for the proper procedure.
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Assemble relief valve (5). Refer to step 25. Assemble relief valve (6). Refer to step 29.
Tighten relief valves (5) and (6) to 70 7 N m (52 5 lb ft).
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Install the stick valve. Install four O-rings (4) and three washers (3) .
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Install cover (2), three washers and three nuts (1). Tighten nuts (1) to 27 3 N m (20 2 lb ft).