323D3 Hydraulic Excavators Engine Supplements Caterpillar


Valve Mechanism Cover - Remove and Install

Usage:

323D3 FEY

Removal Procedure

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

Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g06310740

  1. Open hood (1).


    Illustration 2g06310742

  2. Loosen clamp (3) and disconnect hose (2).


    Illustration 3g06310744

  3. Remove bolts (5) and valve mechanism cover (4).


    Illustration 4g06310749

  4. Remove seal (6) from the valve mechanism cover.


    Illustration 5g06310762

  5. Remove screws (8), cap (7), and the O-ring seal.

  6. Remove filler cap (9) and the O-ring seal.

Installation Procedure

  1. Install valve mechanism cover (4) in the reverse order of removal.

      Note: Lubricate the O-ring seals with a light coating of the engine oil.

    1. Tighten filler cap (9) to a torque of 3.0 ± 0.5 N.m (27.0 ± 4.4 lb in).

    2. Tighten screws (8) to a torque of 1.5 ± 0.5 N.m (13.3 ± 4.4 lb in).


      Illustration 6g06310747

    3. Tighten bolts (5) to a torque of 22 N.m (195 lb in) in the sequence as shown.

    4. Tighten clamp (3) to a torque of 5 N.m (44 lb in).

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