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 179 of 344
TM 9-1240-400-34&P
4
Remove screw (7), electrical cover (8), and LED
(9) from ring (10).
5
Using tubular spanner wrench, remove ring (10),
electrical lead (3), and light lens (11).
Never snap level vial covers off level vials.
6
Remove two level vial covers (12) by removing two externally threaded rings (13), two eccentric rings (14), two
eccentrics (15), and slide out two level vials (16).
7
Remove two pins (17) only if damaged.
5-25
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