C6.6 Engines for Caterpillar Built Machines Glow Plugs - Remove and Install Caterpillar

Removal Procedure

1. Isolate the electrical supply.

2. Disconnect the breather hose from the crankcase breather. Refer to Disassembly and Assembly, "Crankcase Breather - Remove".
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   Illustration 1	g01341735

3. Remove nut (3) from terminal insulator (6).

4. Disconnect wire (5) from terminal insulator (6).

5. Remove nuts (2) that secure bus bar (1) to glow plugs (4).

6. Remove bus bar (1) from glow plugs (4).

7. Remove glow plugs (4) from cylinder head.

Installation Procedure

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Illustration 2	g01341735

1. Ensure that the threads of the glow plugs are clean and free from damage. Replace any damaged glow plugs.

2. Install glow plugs (4) into the cylinder head. Tighten the glow plugs to a torque of 15 N·m (132 lb in).

3. Position bus bar (1) onto glow plugs (4). Install nuts (2) onto the glow plugs. Tighten the nuts to a torque of 2 N·m (17 lb in).

4. Connect wire (5) to the stud on terminal insulator (6).

5. Install nut (3) to the stud on terminal insulator (6). Tighten the nut to a torque of 6 N·m (53 lb in).

6. Connect the breather hose to the crankcase breather. Refer to Disassembly and Assembly, "Crankcase Breather - Install".

7. Restore the electrical supply to the engine.