TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
Page 143 of 344
TM 9-1240-401-34&P 11 12 Repeat steps 9 and 10 as necessary vial at 0 and 1330 roils. to level the Hold the inner portion of the fabricated eccentric tool firmly in place while turning the outer portion of the fabricated eccentric tool to tighten threaded ring (26). Be careful not to disturb the setting of level (29). 4-17. COUNTER BOX ASSEMBLY (KNOB) MAINTENANCE INSTRUCTIONS I This task covers: a. Disassembly b. Repair c. Assembly ITIAL SET-UP Tools Tool Kit, Electronic System, Repair, Field Mainte- TM 9-254 nance(SC5180-95-CL-B29) 5180-01-168-0487 t Condit ions . . I aterials/Parts M145/M145A1 telescope mount installed on how- Oil, lubricating (Item 9, appx B) itzer I a. Disassembly 1 Remove tapered pin(1), elevation handwheel (2), and flat washer (3). 2 Drive out headless straight pin (4) and remove cor- rection knob (5). 3 Remove setscrew (6) and plug (7). 4 Drive out headless straight pin (8). 5 Remove collar (9) and shouldered shaft (10). 4-29