302.5C Mini Hydraulic Excavator Machine Systems Caterpillar


Pilot Valve (Joystick) - Assemble

Usage:

302.5C GBB

Assembly Procedure

Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.




    Illustration 1g01171868

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

    Personal injury can result from being struck by parts propelled by a released spring force.

    Make sure to wear all necessary protective equipment.

    Follow the recommended procedure and use all recommended tooling to release the spring force.

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

  1. Install the O-ring seal onto plug (9) .

  1. Assemble plug (9), rod (10), retainer (11), seat (12), spring (13), washer (14), retainer (15), spool (16), and spring (17) .

  1. Install the valve assembly into the valve body.

  1. Repeat Steps 1 through 3 for the remaining valves.



    Illustration 2g01171867

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

    Personal injury can result from being struck by parts propelled by a released spring force.

    Make sure to wear all necessary protective equipment.

    Follow the recommended procedure and use all recommended tooling to release the spring force.

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

  1. Install mounting plate (7), shims (6), reaction plate (5), and bolt (4) (not shown) onto valve body (8) .



    Illustration 3g01171866

  1. Install handle assembly (3) and secure nut (2) .



    Illustration 4g01171865

  1. Reposition boot (1) .

End By: Install the pilot valve. Refer to Disassembly and Assembly, "Pilot Valve (Joystick) - Install".

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