TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
Page 191 of 344
TM 9-1240-400-34&P DISASSEMBLY 1 Unsolder two electrical wires (1) from two electrical contacts (2). 2 Remove two bushing insulators (3) from upper telescope mount housing (4). 3 Remove two retaining rings (5), two electrical contacts (2), and two springs (6) from bushing insulators (3). CLEANING Clean all parts per TM 9-254. REPAIR Repair is by replacement of authorized parts as required. Refer to appendix B. REASSEMBLY 1 Install two springs (6), two electrical contacts (2), and two retaining rings (5) in bushing insulators (3). 2 Apply sealing compound (item 10, appx C) to threads of two bushing insulators (3). 3 Install two bushing insulators (3) in upper telescope mount housing (4) until bushing insulators (3) are flush with surface. 4 Using solder (item 12, appx C), and soldering flux (item 6, appx C), solder two electrical wires (1) to two electrical contacts (2). 5-37