143H and 163H Motor Graders Power Train Caterpillar


Flushing and Cooling Control Valve - Disassemble

Usage:

143H APN

Disassembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-1853     Retaining Ring Pliers     1    

Start By:

  1. Remove the flushing and the cooling valve. Refer to Disassembly and Assembly, "Flushing and Cooling Control Valve - Remove".

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.




    Illustration 1g01001003

  1. Remove fittings (1) .



    Illustration 2g01001006

  1. Remove O-ring seals (2) from fittings (1) .



    Illustration 3g01001009

  1. Remove nut (3), washer (4), coil assembly (5), and cartridge assembly (6) .



    Illustration 4g01001011

    ------ 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. Use Tooling (A) to remove clip (7). Remove valve (8), stem assembly (9), and spring (10) .



    Illustration 5g01001014

  1. Remove O-ring seals (11) and rings (12) .



    Illustration 6g01001015

  1. Remove O-ring seals (13) .



    Illustration 7g01001016

  1. Remove pin (14) in order to remove stem (16) from plunger (15) .



    Illustration 8g01001018

  1. Remove relief valve (17) .



    Illustration 9g01001020

  1. Remove O-ring seal (18). Remove rings (19), if necessary.



    Illustration 10g01001022

  1. Remove relief valve (20) .



    Illustration 11g01001024

  1. Remove O-ring seals (21). Remove rings (22), if necessary.



    Illustration 12g01001026

    ------ 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. Remove plug (23), O-ring seal (24), washers (25), and spring (26) .



    Illustration 13g01001029

    ------ 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. Remove plug (27), O-ring seal (28), washers (29), and spring (30) .



    Illustration 14g01001031

  1. Remove plug (31), O-ring seal (32), and piston (33). Remove stem (34) .



    Illustration 15g01001032

  1. Remove plugs (35) and O-ring seals (36) .



    Illustration 16g01001033

  1. Remove plug (37) and O-ring seal (38) .



    Illustration 17g01001034

  1. Remove plugs (39) and O-ring seals (40) .



    Illustration 18g01002305

  1. Remove plugs (41) and O-ring seals (42) .



    Illustration 19g01001038

  1. Remove plugs (43) and O-ring seals (44) .

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