AZIMUTH AND ELEVATION KNOB ADJUSTMENT

TM 9-1240-322-34&P

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

Put infinity sight (1) in vise.

Put torque adapter (2) on azimuth knob (3).

Put torque wrench (4) on adapter (2).

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).

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.

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.

Remove sight (1) from vise.

END OF TASK

Vol II

5-2