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 307 of 590

TM 9-1240-401-34&P

1

Place torque adapter 8213474 (1) on cross-level

knob (2) and tighten securely.

2

Place torque wrench (3) of not more than 30 pound-

inches (3.39-N-m) maximum capacity on torque

adapter (1).

3

With torque wrench (3), rotate cross-level knob (2)

one turn clockwise and one turn counterclockwise.

4

Measure the torque required to turn cross-level knob

(2). The torque shall be between 3 and 9 pound-

inches (0.339 and 1.017 N-m). If not, repair

according to repair procedures (ref. para 5.1-19).

Change 1

5.1-73