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 64 of 344
TM 9-1240-400-34&P
2-14.
MAINTENANCE OF ADAPTER ASSEMBLY AND COUNTER ASSEMBLY (CONT).
REASSEMBLY/INSTALLATION (CONT)
NOTE
Steps 21 thru 23 are written and
illustrated for reassembly of counter
assembly.
21
If required, drill through spur gear (30) and shaft
on rotating counter (31).
Ream hole and install
tapered pin (32).
Refer to TM 9-254.
22
Install spring (33), clutch half (34), key shaft (35),
and gearshaft (36).
23
Install pin (37) through spur gearshaft (36) and
shaft on rotating counter (31).
24
Wind up small gear on differential gear (38) 2 or
3 teeth and hold.
25
Install differential gear (38) on counter assembly
(39), meshing gears.
26
If removed, install two headless shoulder pins
(40), counter assembly (39), differential gear
(38), two new lockwashers (41), and two screws
(42).
2-48
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