TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 4-19. M145/M145A1 TELESCOPE MOUNT MAINTENANCE INSTRUCTIONS - continued I c. Assembly 1 Apply grease to bearing (28). 2 Mount bearing (28), flat washer (27), and new self- Iocking nut (26) on wormshaft (25). 3 Install wormshaft (25) and related parts in the mount. 4 Install one flat washer (24) and spring (23). 5 Install second flat washer (24) into externally threaded nut (22). 6 Apply grease to externally threaded nut (22) and install using adjustable spanner wrench. 7 Install bevel gear (21) using tapered pin (20). 8 Apply sealing compound to the threads of setscrew (19) and install. 9 Apply grease to V-bearing (18). 10 Apply sealing compound to threads of plug (16). Install V-bearing (18), spring (17), and plug (16) in mount. I 4-34