TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 3-9. MAINTENANCE OF RETICLE CELL ASSEMBLY. This task covers: a. Disassembly c. Repair b. Cleaning d. Reassembly INITIAL SETUP: Tools and Special Tools General Safety Instructions Tool kit, electronic: system maintenance (SC 5180-95-CL-B29 ) Materials/Parts Sealing compound (item 10, appx C) Use adhesives, cleaning solvents, and sealing compounds in well- References ventilated area away from open TM 9-254 flame Adhesives, cleaning sol- TM 750-116 vents, and sealing compounds are harmful to skin and clothing, can Equipment Conditions burn easily, and may give off harm- 3-7 Reticle assembly removed ful vapor. DISASSEMBLY 1 Scribe a line on cell (1) parallel to horizontal line in reticle (2) crosshair. Remove sealing compound from slots in externally threaded ring (3). 2 Remove externally threaded ring (3). 3 Press reticle (2) out of cell (1). CLEANING Clean all parts per TM 9-254. REPAIR Repair is by replacement of authorized parts as required. Refer to appendix B. 3-15 WARNING