TM-9-1290-262-24&P Technical Manual for M2A2 Aiming Circle Download
Page 86 of 192
ARMY TM 9-1290-262-24&P MARINE CORPS TM 00476C-24&P AIR FORCE TO 49 A7-3-72/74 4-2. M2A2 AIMING CIRCLE—MAINTENANCE INSTRUCTIONS (Cont). REASSEMBLY (cont) 30 31 32 33 34 35 36 4-3. Lightly lubricate all bearing and working surfaces of elbow telescope (41), cover assembly (44), and interior of large bore of body assembly (38) with grease (item 6, appx D). Slide elevating gear (40) on elbow tele- scope (41) through large bore of body as- sembly (38). Support elbow telescope (41 ) in position. Install cover assembly (44). Tighten as far as it will go. Then back off slightly to aline holes in cover assembly and elevating gear (40) for setscrew (45). Install cover assembly (44). Tighten as far as it will go. Then back off just far enough for the elbow telescope (41) to rotate with- out binding. Using setscrew hole in cover assembly (44) as a guide, spot drill hole in elevating gear (40) to depth of drill bit point, using a 0.093-in. diameter drill. Install setscrew (45). ELBOW TELESCOPE—MAINTENANCE INSTRUCTIONS This task covers: a. Disassembly b. Cleaning c. Repair d. Reassembly INITIAL SETUP Tools and Special Tools References Electronic system maintenance tool kit TM 9-254 (SC 5180-95-CL-B29) TM 750-116 Prism shelf remover (fig. E-4, appx E) Materials/Parts Sealing compound (item 8, appx D) Equipment Conditions Pg. 4-5 Elbow telescope removed 4-12