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

Removal Procedure

1. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
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   Illustration 1	g02183654

2. Remove bolts (1) and guard assembly (2).
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   Illustration 2	g02142160

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).
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   Illustration 3	g02142187

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).
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      Illustration 4	g02142256

   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).