TM 9-2350-256-10(b)Install three caps (4) and loosenadjustment screw (5).(c)Unlock retainers (6) and removeperiscope (7) from mount (8) andstow in periscope stowage box.(2)Installation.(a)Guide head of periscope (7) into mount (8) until retainers (6) lock periscope in place.(b)Adjust elevation angle using lever (9). Tighten adjustment screw (5) on elevation clamp until clamp isseated firmly to mount (8). Remove three caps (4).(c)Remove power cable from dummyreceptacle (3) and connect toreceptacle (2).(d)To adjust headrest (10), loosenadjusting knobs (11), move headrestto desired position, and tightenadjusting knobs.3-39
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