TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240 400-34&P 5-9. MAINTENANCE OF EXTENSION LIGHT ASSEMBLY (CONT). DISASSEMBLY NOTE Extension light can be disassembled while installed on M137 telescope mount upper assembly housing. 1 Remove optic cell assembly adapter (1) from light extension (2). 2 Remove light assembly (3) from light extension (2). 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 light assembly (3) in light extension (2). 2 Apply sealant adhesive (item 5, appx C) to base of optic cell assembly. 3 Install optic cell assembly (1) to light extension (2). 5-18