TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 2-5. CATEGORIES OF INSPECTION (CONT). Table 2-1. INITIAL INSPECTION-Ml15 PANORAMIC TELESCOPE (CONT) ITEM ITEM T0 NO. BE INSPECTED PROCEDURE 11 Elevation Knob Use torque wrench and torque adapter (8213928) to rotate from midpoint in each direction. The knob shall operate within 0.50 to 2.50 in.-lb (0.06 to 0.28 N-m) of torque. 12 Reset Counter Knob Use torque wrench and torque adapter (8599920) to push in and rotate the knob counterclockwise. Running torque required to rotate knob shall not exceed 2.50 in.-lb (0.28 N-m) of torque. 13 Gunner’s Aid Knob Rotate knob in both directions while observing effect on gunner’s aid counter. Counter indications must increase or decrease as knob is rotated. Using torque wrench and torque adapter (8213929) rotate knob in each direction. Knob shall operate within 10 to 4.00 in.-lb (0.11 to 0.45 N-m) of torque. 14 Gunner’s Aid Counters Rotate gunner’s aid knob to stop in both directions. Counters (L and R) must each have an excursion of 50 mils in each direction before contacting the stops at each extreme of the counter setting. 15 Deflection Counter Rotate deflection knob clockwise, and then counter- clockwise, while observing effect on counter. Counter indication must increase when knob is turned clockwise, and decrease when knob is turned counterclockwise. 2-4