TM-9-1240-401-34-P
TELESCOPE MOUNT M146: M118A2 AND M118A3; TELESCOPE MOUNT M145: M145A1; PANORAMIC TELESCOPE: M117 AND M117A2; FIRE CONTROL QUADRANT: M15; PERISCOPE: M42
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
JULY 1993
TM-9-1240-401-34-P - Page 58 of 590
2-24
TM 9-1240-401-34&P
I
2-15. M146 TELESCOPE MOUNT FINAL INSPECTION AND ADJUSTMENT-continued
e. CHECKING DEFLECTION KNOB MECHANISM RUNNING TORQUE
1 With torque wrench and adapter (8599922), rotate
deflection knob (1) clockwise and counterclock-
wise.
NOTE
Torque wrench should indicate running torque
of 56 to 72 ounce-inches (0.395 to 0.508
N-m). If running torque is not within specified
limits, adjust as directed in steps 2 thru 6.
2
Loosen self-locking nut (2).
3
Loosen setscrew (3).
4
Using fabricated spanner wrench, adjust threaded
ring
(4)
until required running torque is obtained.
5
Tighten setscrew
(3).
6
Tighten self-locking nut
(2).
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