Table 2-1. Troubleshooting - Continued

TM 5-6675-250-34

Table 2-1. Troubleshooting - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

a. Loosen cage-uncage knob setscrews and remove knob from switch shaft.

b. Remove eight screws attaching the outer shield to the upper housing assembly and remove.

c. To keep foreign particles from entering the inner parts of the instrument, place masking tape

between the housing and the inner shield, except in the area of the caging link.

d. Set the instrument on the work surfaces resting on the inner shield and in the upright position.

Be careful not to damage the shield as the shield material is very soft and sensitive to shock.

e. Loosen the extender jam nut (fig. 2-84).

2-73