TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download

Page 30 of 266

TM 9–1200–215–34&P 1–18 1–23. PURGE LRU DESCRIPTION This task covers: a. Setup b. Purging INITIAL SETUP Tools: Tool Kits, JTK–17LAL, TK–101/G, or TK–105/G (items 34, 35, & 36, Appendix E) Purging Kit (item 16, Appendix E) Material/Parts: Nitrogen, Technical (item 20, Appendix D) Equipment Condition: Unenergized LRU is on workbench. Personnel Required: One MOS 35Y NOTE On applicable LRUs, this procedure is performed after any maintenance action that resulted in the internal components of the AFCS LRU being exposed to the outside air. a. SETUP WARNING Gas bottles are similar in size and shape and can be mistaken for one another. Use only nitrogen. Nitrogen bottles are gray with two black stripes. Performing this task with the wrong gas may result in personnel injury or damage to equipment. Nitrogen can cause asphyxia by depleting the local oxygen supply . Do not use in an unventilated area or with direct flow toward the face. Failure to comply may result in personnel injury . Change 1