TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P TORQUE INSPECTION 1 Using torque adapter (8599917) and torque wrench, check that running torque of deflection knob (1) is 3.00 to 8.00 in.-lb (0.45 to 0.90 N-m) in both directions. 2 If requirements in step 1 cannot be met, remove deflection knob (1). Refer to page 2-28. 3 Remove cap assembly (2) and associated shims. Refer to page 2-28. 4 Temporarily install deflection knob (1), torque adapter, and torque wrench. 5 Adjust retainer (3) until required torque in step 1 is achieved. 6 Scribe a line on retainer (3) and housing (4). Back out retainer (3) and apply small amount of sealing compound (item 10, appx C) and turn in retainer (3) to scribe marks. 7 Install cap assembly (2). Refer to page 2-28. 8 Install deflection knob (1). Refer to page 2-28. 9 Remove pin (5), gunner’s aid knob (6), shim(s) (7), and seal (8). 10 Apply silicone compound (item 11, appx C) to inside diameter of seal (8), and sealing compound (item 10, appx C) to outside diameter of seal (8). Reinstall seal (8), shim(s) (7), gunner’s aid knob (6), and pin (5). 2-77