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 TM 9-1240-375-34&P
0100 00
3.
Record reading on deflection counter (1).
4.
Compare reading on deflection counter (1) recorded in step 1 with this reading. Reading of deflection
counter should have increased 95 0.5 mils.
5.
Repeat steps 2, 3, and 4 using the L-95 setting on correction counter (3).
Check that reading on deflection counter (1) has decreased 95 0.5 mils.
6.
Torque Inspection
1
4
3
2
1 fc 6 8 6
1.
Place torque wrench adapter (1) on torque wrench (2). Place over azimuth knob (3).
2.
Move torque wrench (2) and observe readings. Torque must be between 3 in.-lb (0.34 N-m) and 8 in.-lb
(0.90 N-m). If torque cannot be met, tighten or loosen retainer (4).
5
6
7
1 fc 6 8 7
3.
Place torque wrench adapter (5) on torque wrench (6). Place over correction knob (7).
4.
Move torque wrench (6) and observe readings. Torque must be between 10 in.-oz (0.07 N-m) and
20 in.-oz (0.14 N-m). If torque cannot be met, return M137/M137A2/M137A3 telescope to depot
maintenance.
0100 00-29
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