M318C and M322C Excavators Machine Systems Caterpillar


Control Valve (Medium Pressure) - Assemble

Usage:

M322C BDY

Assembly Procedure




    Illustration 1g01194754



    Illustration 2g01194752

  1. Install backup rings (39) and (42). Install O-ring seals (38), (40), and (41). Install rings (36) and bolts (37). Tighten bolts (37) to a torque of 2.7 N·m (24 lb in). Install ring (34) and nut (35). Install pressure valve (33). Tighten pressure valve (33) to a torque of 30 N·m (22 lb ft).



    Illustration 3g01201982



    Illustration 4g01194749

  1. Install O-ring seals (31) and ring (32). Install ring (30) and nut (29). Install relief valve (28). Tighten relief valve (28) to a torque of 25 N·m (18 lb ft).



    Illustration 5g01194748



    Illustration 6g01194746

    ------ WARNING! ------

    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.

    ----------------------

  1. Install cone (23), washer (24), spring (25), set screw (27), and nut (26). Tighten nut (26) to a torque of 40 N·m (30 lb ft). Install cover (22) .



    Illustration 7g01194745



    Illustration 8g01194744

  1. Install throttle valve (18), locknut (21), plug (20), and O-ring seal (19). Tighten locknut (21) to a torque of 20 N·m (15 lb ft). Tighten plug (20) to a torque of 30 N·m (22 lb ft). Install cover (17) .



    Illustration 9g01194742



    Illustration 10g01194743

    ------ WARNING! ------

    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.

    ----------------------

  1. Install spool (12). Install washers (14) and (13). Install springs (11) and (15). Install O-ring seals (10) and (16). Install covers (8) and (9). Tighten covers (8) and (9) to a torque of 90 N·m (66 lb ft).



    Illustration 11g01194741

  1. Install nut (4). Tighten nut (4) to a torque of 15 N·m (11 lb ft). Install cap (3). Install O-ring seals (5), (6), and (7) .



    Illustration 12g01194740

  1. Install solenoid valve (2) and bolts (1). Tighten bolts (1) to a torque of 2.7 N·m (24 lb in).

  1. Repeat Steps 6 and 7 for the remaining solenoid valve.

End By: Install the control valve. Refer to Disassembly and Assembly, "Control Valve (Medium Pressure) - Install".

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