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TM 9-1240-322-34&P
AZIMUTH AND ELEVATION KNOB ADJUSTMENT
TOOLS: 3" bench vise
Torque adapter
Torque wrench, 0 to 60 inch-pounds
PERSONNEL: One
EQUIPMENT CONDITION: Infinity sight on work bench
FRAME 1
Procedure
Step
1.
Put infinity sight (1) in vise.
2.
Put torque adapter (2) on azimuth knob (3).
Put torque wrench (4) on adapter (2).
3.
4.
Turn torque wrench (4) slowly when knob (3) starts to turn, reading on torque wrench
(4) must be between 2 and 5 inch-pounds.
Repeat steps 2 thru 4 for elevation knob (5).
5.
6.
If reading on torque wrench is more than 5 inch-pounds, loosen plug (6) until torque
reading on wrench is 2 to 5 inch-pounds.
7.
If reading on torque wrench is less than 2 inch-pounds, tighten plug (6) until reading on
torque wrench is between 2 and 5 inch-pounds.
8.
Remove sight (1) from vise.
END OF TASK
Vol II

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