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 65 of 344
TM 9-1240-400-34&P
NOTE
Gearshaft (36) must rotate freely when
plate (43) and plate (44) are installed.
27
If removed, install two pins (45), plate (43), two
new lockwashers (46), screw (47), and screw
(48) over gearshaft (36).
28
Install plate (44) over shaft (49).
29
If removed, install two pins (50).
30
Install spur gear (51), retaining ring (52), and
gear cluster (53) on shaft (54).
31
Wind up spur gear (51) and gear cluster (53) two
or three teeth and hold.
32
Mesh spur gear (51) and gear cluster (53) and
install retaining ring (55).
33
Rotate shaft (49) until pinhole alines with spur
gear (56).
34
Install housing (57) on shaft (49) and install pin
(58).
35
Install three new lockwashers (59), screw (60),
and two screws (61).
Tighten screws evenly to
prevent binding.
2-49
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