IT14G Integrated Toolcarrier and 914G Wheel Loader Machine Systems Caterpillar


Pilot Control Valve - Disassemble

Usage:

IT14G 1WN

Disassembly Procedure

Start By:

  1. Remove the pilot control valve. Refer to Disassembly and Assembly, "Pilot Control Valve - Remove".

    Note: Put identification marks on the valves. This will aid in installation on the mounting plate.




    Illustration 1g00474939

  1. Remove boots (2) and boot (3) .



    Illustration 2g00475577

  1. Remove retaining ring (4) from pin (5). Remove pin (5) and pivot plate (6). Repeat for the other pivot plate.



    Illustration 3g00475592

  1. Remove two bolts (7) from brackets (8). Remove two brackets (8). Remove four plungers (9) .



    Illustration 4g00475594

  1. Remove four bolts (10) that hold the valves to mounting plate (1). Remove the valves.



    Illustration 5g00475597

  1. Remove sleeve (18) and gasket (17). Remove clapper (16), body (15), spring (14), washer (13), spacer (12) and two gaskets (11) from each of four capsules (19) .



    Illustration 6g00475599



    Illustration 7g00475601

  1. Remove capsule (19) and plunger (20) from the valve.



    Illustration 8g00475659

  1. Separate spring (21) from plunger (20) .



    Illustration 9g00475660

  1. Separate plunger (22), spacer (23) and seal (24) from capsule (19) .



    Illustration 10g00475662

  1. Remove fitting (26) and capsule (27) .



    Illustration 11g00475664

  1. Remove O-rings (28) and (29). Remove backup ring (30) from capsule (27) .



    Illustration 12g00475910

  1. Remove nut (31) and pivot plate (32) from valve (33) .



    Illustration 13g00475912

  1. Loosen two bolts (34) that hold clamp plate (35). Remove four plungers (36) .



    Illustration 14g00475915

  1. Put identification marks across valve (33) in order to aid in assembly. Remove two bolts (34), clamp plate (35) and plate (1) from the valve (33) .



    Illustration 15g00475916

  1. Remove bolt (38) and the washer. Remove pivot joint (37) .



    Illustration 16g00475917

  1. Note the locations of the individual wires of wiring assembly (39). Note locations of the various parts of valve (33). This will aid in assembly.



    Illustration 17g00475918

  1. Remove sleeve (40). Remove clapper (41), gasket (42) and spring (43) from each magnet tube (44) .



    Illustration 18g00475922

  1. Remove washer (45), two gaskets (48), spring (46) and capsule (47) from each of the three plungers (49) .



    Illustration 19g00475923

  1. Remove washer (45), spacer (46) and two gaskets (48) from capsule (50) .



    Illustration 20g00475924

  1. Remove three plungers (49) from valve (33) .



    Illustration 21g00475950

  1. Remove O-ring (51) from plunger (49) .



    Illustration 22g00475952

  1. Remove capsule (50) from valve (33) .



    Illustration 23g00475954

  1. Remove O-ring (52) from capsule (50) .



    Illustration 24g00475956



    Illustration 25g00475958

  1. Remove hose fittings (53) and capsules (54) from valve (33) .



    Illustration 26g00475959

  1. Remove plunger (59), O-ring (55), O-ring (56) and backup ring (57) from capsule (54) .

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