TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 2-6. TROUBLESHOOTING PROCEDURES (CONT). GENERAL SUPPORT SYMPTOM INDEX Troubleshooting Procedure (Page) HEAD ASSEMBLY Elevation knob binds ............................................................................................................................ 2-10 Head binds or jumps ............................................................................................................................ 2-10 BODY ASSEMBLY Counters do not operate................................................................................................................... 2-11 Counters are illegible........................................................................................................................ 2-11 Gear train noisy when operated ....................................................................................................... 2-11 ELBOW ASSEMBLY Lens will not focus ............................................................................................................................ 2-11 Lenses are damaged........................................................................................................................ 2-11 Table 2-3. GENERAL SUPPORT TROUBLESHOOTING MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. HEAD ASSEMBLY (1) BINDS OR JUMPS. Observe visually. 2-10