349F and 352F Excavators Machine Systems Control Manifold (Pilot Oil) - Disassemble - Hydraulic Lockout, Swing Brake, Travel with a Steel Valve Body Caterpillar


Control Manifold (Pilot Oil) - Disassemble - Hydraulic Lockout, Swing Brake, Travel with a Steel Valve Body
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1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. Remove the control manifold (pilot oil).


    Illustration 1g01211570

  1. Remove bolts (1) and valve assembly (2).


    Illustration 2g01211571

  2. Remove O-ring seals (3).

  3. Repeat Step 1 and Step 2 for the remaining valve assemblies.


    Illustration 3g01211572


    Illustration 4g01211575

    ------ 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.


  4. Remove plugs (4) and (5).

  5. Remove spool (6).

  6. Remove spring (8) and spool (7).

  7. Remove O-ring seals (9) from plugs (4) and (5).


    Illustration 5g01211576

  8. Remove spring (10).

Information System:

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