TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 5-24. RESET COUNTER ASSEMBLY 7660419 MAINTENANCE INSTRUCTIONS - continued a. Disassembly NOTE Depress and hold shaft (1) to permit removal of headless straight pin (2). 1 Remove headless straight pin (2) and gear shaft (3). 2 Remove shaft (1). 3 Remove positive clutch half (4). 4 Remove spring (5). 5 Remove tapered pin (6) and spur gear (7). b. Repair 1 Remove corrosion, grease, and dirt from all parts. Refer to TM 9-254 for cleaning instructions. 2 Visually inspect for missing or damaged parts. 3 Repair or replace parts in accordance with authorized parts listed in appendix D. c. Assembly 1 Install spur gear (7) and tapered pin (6). 2 Install spring (5), positive clutch half (4), and shaft (1). 3 Install gear shaft (3) and secure with headless straight pin (2). 5-46