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TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download

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2-6 TM 9-1240-401-34&P I 2-9. DIRECT SUPPORT TROUBLESHOOTING - continued MALFUNCTION TEST OR INSPECTION LOCATION CORRECTIVE ACTION 5. DEFLECTION KNOB 7) IS ERRATIC AND ROUGH Rotate deflection knob from stop to stop. a. Adjust deflection knob mechanism (7) (ref. para 2-15). b. Replace damaged deflection knob mechanism parts (ref. para 2-11). c. Install shims between plate spacer and mount as required (ref. para 2-11). CABLE ASSEMBLY 6. CABLE ASSEMBLY RECEPTACLE (8) DOES NOT PROVIDE POWER FOR THE M118A2/M118A3 ELBOW TELESCOPE. Perform continuity check of cable assembly a. Check soldered connections. b. Replace damaged or missing parts (ref. para 2-13.