336E Excavator and 336E MHPU Mobile Hydraulic Power Unit C9.3 Engine Supplement Fan and Fan Drive - Remove and Install Caterpillar


Fan and Fan Drive - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

  1. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.


    Illustration 1g02183654

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


    Illustration 2g02142160

  3. Disconnect hoses (3), (5), and (7).

  4. Disconnect clamp (8).

  5. Remove bolts (4), bolts (9), and bracket (6). Repeat for the other bracket.

  6. Disconnect harness assembly (10).


    Illustration 3g02142187

  7. Remove bolts (12) and reposition fan (11).

  8. Remove bolts (14) and remove fan drive (13).

  9. Remove fan (11).

Installation Procedure

  1. Install fan (11) and fan drive (13) in the reverse order of removal.

    1. Tighten bolts (12) to a torque of 24 ± 4 N·m (212 ± 35 lb in).


      Illustration 4g02142256

    2. The clearance between the tip of fan (11) and fan shroud (15) should be 5.0 mm to 11.0 mm (0.20 inch to 0.43 inch). If necessary, loosen seven bolts (4) to adjust fan shroud (15).

    3. Tighten bolts (4) to a torque of 30 ± 7 N·m (22 ± 5 lb ft).

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