TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 4-20. COUNTER BOX ASSEMBLY MAINTENANCE INSTRUCTIONS This task covers: a. Removal b. Disassembly c. Repair d. Assembly e. Installation Tools INITIAL SET-UP Lockwashers (3) (Item 68, appx E) Lockwashers (4) (Item 71, appx E) Tool Kit, Electronic System, Repair, Field Mainte- Sealing compound (Item 13, appx B) nance (SC5180-95-CL-B29) 5180-01-168-0487 Tubular spanner wrench, 11/16 and 45/64 inch TM 9-254 (Item 26, appx F) TM 750-116 Materials/Parts Adhesive (Item 2, appx B) M145/M145A1 telescope mount removed Lockwashers (8) (Item 63, appx E) from howitzer (TM 9–2350-311-20-2/ Lockwashers (4) (Item 64, appx E) TM 9–2350-314-20-2) a. Removal 1 2 3 5 6 7 4-36 Remove three machine screws (1), three lock- washers (2), and plate insulator (3). Discard Iockwashers. Remove three machine screws (4), three lock- washers (5), and three wires (6) with three lug ter- minals (7) attached. Discard Iockwashers. Remove two machine screws (8), two Iockwashers (9), two wires (10) with two lug terminals (11) at- tached, plate (12), and plate insulator (13). Discard lockwashers. Remove two machine screws (14), two lock- washers (15), and two retaining straps (16). Discard Iockwashers. Remove four nuts (17), four Iockwashers (18), and four flat washers (19). Discard Iockwashers. Remove counter box assembly (20) from M145/M145A1 telescope mount. Remove setscrew (21) and eccentric stud (22). 4