D6N Track-Type Tractor Power Train Priority Valve - Disassemble Caterpillar


Priority Valve - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. Remove the priority valve. Refer to Disassembly and Assembly, "Priority Valve - Remove".


    Illustration 1g00992561

  1. Remove fitting assembly (4).

  2. Remove O-ring seal (5) from fitting assembly (4).

  3. Repeat Steps 1 and 2 for the remaining fitting assemblies.

  4. Remove nut (1), coil assembly (2), and cartridge assembly (3). Remove O-ring seals (6) from cartridge assembly (3).

  5. Remove retainer (7). Remove O-ring seal (8) from retainer (7). Remove valve (10). Remove O-ring seal (9) from valve (10).


    Illustration 2g00992563

  6. Remove adjuster assembly (11) and spool assembly (12).


    Illustration 3g00992564

  7. Remove nut (13) and washer (14). Remove plug (15). Remove O-ring seal (17) from plug (15).

  8. Remove O-ring seal (18) from adjuster (16).


    Illustration 4g00992565

    ------ 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.


  9. Remove stop (19) and spring (20) from spool (21). Remove slug (27).

  10. Remove ring (26), sleeve (25), poppet (24), spring (23), and retainer (22) from spool (21).

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