621H, 623H and 627H Wheel Tractor-Scrapers Engine Supplement Caterpillar

Removal Procedure

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Illustration 1	g02591081

1. Remove cover assembly (1) .

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Illustration 2	g02592936

2. Disconnect harness assembly (2) and remove soot antenna (3) .

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Illustration 3	g02592937

3. Disconnect harness assembly (5) and remove soot antenna (4) .

Installation Procedure

1. Install soot antennas (3) and (4) in the reverse order of removal.

   1. Apply Tooling (A) to the threads of soot antennas (3) and (4). Tighten soot antennas (3) and (4) to a torque of 45 ± 5 N·m (33 ± 4 lb ft).

   2. Tighten harness assemblies (2) and (5) to a torque of 1 N·m (9 lb in).