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TM 9-1240-375-34&P
0084 00
DISASSEMBLY
WARNING
TRITIUM
GAS (H3)
When maintaining radioactively illuminated fire control equipment, follow radiation
hazard procedures in warning summary (M137 only).
1.
If damaged, remove two machine screws (1), two lockwashers (2), and identification plate (3) from
panoramic telescope (4) (M137 only). If damaged, remove two machine screws (5), two lockwashers (6),
and identification plate (3) from panoramic telescope (M137A2/M137A3 only).
2.
If damaged, remove two machine screws (7), two lockwashers (8), and instruction plate (9) from
panoramic telescope (4) (M137 only).
3.
Remove optical eyeshield (10) from panoramic telescope (4).
CAUTION
Support azimuth knob assembly in V block on solid surface to prevent damage to
worm shaft.
4.
Drive out headless straight pin (11) and remove knob assembly (12) from panoramic telescope (4).
12
4
2
1
10
11
8
3
9
7
1 fc 5 6 5
M137
0084 00-2
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