TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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3-38 TM 9-1240-401-34&P 3-23. CELL ASSEMBLY MAINTENANCE INSTRUCTIONS This task covers: a. Disassembly b. Repair c. Assembly Tool Kit, Electronic System, Repair, Field Mainte- TM 9-254 nance (SC5180-95-CL-B29) 5180-01-168-0487 Tubular spanner wrench, 2-9/16 and 2-37/64 M118A2/M118A3 elbow telescope removed from inch (Item 34, appx F) howitzer (TM 9-2350-311-10) Sealing compound (Item 13, appx B) Cell assembly removed from eyepiece and erec- tor lens subassembly (ref. para 3-22) a. Disassembly 1 Using 2-9/16 and 2-37/64 inch tubular spanner wrench, remove threaded ring (1). 2 Remove lens (2), spacer (3), and lens (4) from cell (5). Mark lenses for reassembly (ref. TM 9-254). 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 author- ized parts listed in appendix D.