TM 9-1240-400-34&P
2-17.
M115 PANORAMIC TELESCOPE FINAL INSPECTION INSTRUCTIONS (CONT).
COUNTER OPERATION AND ADJUSTMENT
1
Reset counter (1) must follow when deflection
7
Set both counters to "00".
knob (2) is rotated.
8
If the displays are not centered in the counter
2
Push in and rotate reset knob (3) to return reset
windows, remove overlay assembly (8). Refer to
counter (1) to 3200 mils.
3
If requirements in steps 1 and 2 cannot be met,
9
Remove setscrews (9 and 10) and adjust
replace reset counter. Refer to page 2-42.
setscrews (11 and 12) to center displays. Install
setscrews (9 and 10) and overlay assembly (8).
Refer to page 2-42.
4
Rotate gunner's aid knob (4) 50 mils in window
(5) and note that deflection counter (6) increases
10
If requirements of steps 7 and 8 cannot be met,
50 mils.
replace gunner's aid counters (5 and 7) and
differential gear (13). Refer to page 2-42.
5
Rotate gunner's aid knob (4) 50 mils in window
(7) and note that deflection counter (6)
decreases 50 mils.
6
If requirements of steps 1 and 2 cannot be met,
replace gunner's aid counters (5 and 7). Refer
to page 2-42.
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