TM-9-1240-400-34-P
TELESCOPE; PANORAMIC: M115, ELBOW: M139, MOUNT: M138 AND M137
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1993
TM-9-1240-400-34-P - Page 90 of 344
TM 9-1240-400-34&P
2-17.
M115 PANORAMIC TELESCOPE FINAL INSPECTION INSTRUCTIONS (CONT).
DEFLECTION ERRORS (800 MIL STEPS) AND BACKLASH (DEFLECTION MECHANISM) INSPECTIONS (CONT)
13
If backlash in deflection mechanism exceeds
tolerance, adjust plug (7) or retainer (8).
Check
for binding or loose gear trains.
Refer to page 2-
28.
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