TM-9-1290-262-24&P Technical Manual for M2A2 Aiming Circle Download

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ARMY TM 9-1290-262-24&P MARINE CORPS TM 00476C-24&P AIR FORCE TO 49A7-3-72/74 3-2. M2A2 AIMING CIRCLE—MAINTENANCE INSTRUCTIONS. (cont) REASSEMBLY (cont) 3 Apply aircraft grease (item 6, appx D) to threads of three locking knob assemblies (6). 4 Turn clamp (7) out to end of screw on each locking knob assembly (6). 5 Install one locking knob assembly (6) by turning clamp (7) one or two turns into body assembly (4). 6 Position spring plate (8) with heads of its three threaded inserts pointed toward aiming circle. 7 Slip one spring plate fork into the groove on outer end of locking knob assembly screw (9). 8 Hold spring plate (8) in this position and install remaining two locking knobs as follows: a. Slip groove in locking knob (6) into spring plate fork. b. Install locking knob (6) by turning clamp (7) one or two turns into body assembly (4). 3-18