TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 6 7 8 9 10 11 Adjust cell (18) until bubble of pitch level(19) is centered. Hold cell (18) and tighten threaded ring (17). With M145/M145A1 telescope mount setup as di- rected, place 1/2- by 3/4- by 6-inch parallel baron bearing plate in telescope socket (35) so that it is parallel to main shaft (36). Place zeroed M1A1 gunner's quadrant (37) on par- allel bar. Adjust cross-level mechanism knob (39) until M1A1 gunner’s quadrant (37) level (38) bubble is cen- tered. Apply sealing compound (item 15, appx B) to threaded ring (4) and install into bracket (7). Adjust cell (5) until bubble of cross-level (6) is cen- tered. Hold cell (5) and tighten threaded ring (4). 4-16. QUADRANT SUPPORT ASSEMBLY MAINTENANCE INSTRUCTIONS I This task covers: a. Disassembly b. Repair c. Assembly d. Adjustment I ITIAL SET-UP Tools and Special Tools . C-clamp (Item 10, appx F) Eccentric tool, fabricated (fig C-3, appx C) Tool Kit, Electronic System, Repair, Field Main- tenance (SC5180-95-CL-B29) 5180-01-168-0487 Tubular spanner wrench 11/1 6 and 45/64 inch (Item 26, appx F) Lockwasher (Item 63, appx E) Lockwashers (4) (Item 64, appx E) Lockwashers (2) (Item 66, appx E) Sealing compound (Item 13, appx B) dition M145/M145A1 telescope mount installed on howitzer 4-25