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


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

Assembly Procedure



    Illustration 1g01211576

  1. Install spring (10).


    Illustration 2g01211575


    Illustration 3g01211572

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

    Improper assembly of parts that are spring loaded can cause bodily injury.

    To prevent possible injury, follow the established assembly procedure and wear protective equipment.


  2. Install O-ring seals (9) onto plugs (4) and (5).

  3. Install spool (7) and spring (8).

  4. Install spool (6).

  5. Install plugs (4) and (5).


    Illustration 4g01211571

  6. Install O-ring seals (3).


    Illustration 5g01211570

  7. Lubricate the O-ring seals on valve assembly (2) with lubricant that is being sealed. Install valve assembly (2) and bolts (1). Tighten bolts (1) to a torque of 4 ± 1 N·m (35 ± 9 lb in).

  8. Repeat Step 6 and Step 7 for the remaining valve assemblies.

End By:

  1. Install the control manifold (pilot oil).

Information System:

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