TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download

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TM 9-1240-401-34&P I 2-12. BRACKET ASSEMBLY MAINTENANCE INSTRUCTIONS I This task covers: a. Dissassembly b. Repair c. Assembly INIAL SETUP UP . Tools Tool Kit, Electronic System, Repair, Field Mainte- nance (SC51 80-95-CL-B29) 5180-01-168-0487 TM 9-254 M146 telescope mount removed from howitzer (TM 9-2350-312-20-2) Lockwashers (4) (Item 72, appx E) Disassemble M146 telescope mount (ref. para 2-11) I a. Disassemble Remove arm (1) from elevation bracket (2) by removing four cap screws (3), four Iockwashers (4), and two headless straight pins (5). Discard Iockwashers I b. Repair I 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. ! c. Assemblv Install arm (1) on elevation bracket (2) by installing two headless straight pins (5), four new lock- washers (4), and four cap screws (3). 2-16