AD30 and AD55 Underground Articulated Trucks Power Train Electronic Control System Caterpillar

Illustration 1	g00289497
(1) Speed sensor (2) Locknut (A) Air gap

1. Remove speed sensor (1). Align a gear tooth directly in the center of the threaded sensor opening.

   Note: Apply Loctite C5A to the threads of speed sensor (1) prior to installation.

2. Screw speed sensor (1) into the hole by hand until the end of the sensor contacts the gear tooth.

3. Turn speed sensor (1) in the counterclockwise direction for 1/2 turn. The air gap (A) will be set to 0.71 mm (0.028 inch).

4. Tighten locknut (2) to a torque of 25 ± 5 N·m (18 ± 4 lb ft).

Note: Do not allow speed sensor (1) to turn as locknut (2) is tightened.