MALFUNCTION/SYMPTOM INDEX -820360120

TM 9-1240-375-34&P

0026 00

MALFUNCTION/SYMPTOM INDEX - Continued

Work Package

Malfunction/Symptom

M172/M172A1 TELESCOPE AND QUADRANT MOUNT

1. Cross level control is erratic and rough during movement .........................................

2. Cross level knob exceeds 1.5-mil backlash ...................................................................

3. Cross level knob requires torque in excess of 12.00 in.-lb (1.36 N-m) to rotate.........

TELESCOPE MOUNTING BRACKET

1. Telescope mounting bracket does not seat M138/M138A1 telescope correctly..........

2. Shaft does not seat correctly in M138/M138A1 telescope latch assembly .................

END OF WORK PACKAGE

0026 00-2