TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION a. Repair head assembly. Refer to page 2-22. b. Repair body assembly. Refer to page 2-28. 2. ELEVATION KNOB (2) BINDS. Observe visually. Focus lens. Refer to page 2-63. BODY ASSEMBLY 3. COUNTERS (3) DO NOT OPERATE. Adjust knobs. Repair body assembly. Refer to page 2-28. 4. COUNTERS (3) ARE ILLEGIBLE. Observe visually. Repair adapter assembly. Refer to page 2-42. 5. GEAR TRAIN (4) IS NOISY WHEN OPERATED. Rotate knobs. Repair body assembly. Refer to page 2-28. ELBOW ASSEMBLY 6. LENS (5) WILL NOT FOCUS. Observe visually. Repair elbow assembly. Refer to page 2-50. 7. LENSES (5) ARE DAMAGED. Observe visually. Repair elbow assembly. Refer to page 2-50. 2-11