TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download
Page 34 of 266
TM 9–1200–215–34&P 1–22 1–24. INLET V AL VE MAINTENANCE INSTRUCTIONS DESCRIPTION This task covers: a. Removal b. Installation INITIAL SETUP Tools: Tool Kits, JTK–17LAL, TK–101/G, or TK–105/G (items 34, 35, & 36, Appendix E) Torque Wrench, 0–15 in.–lb (item 39, Appendix E) 7/16” x 1/4” Drive Deep Socket (item 20, Appendix E) Insertion and Extraction Valve Core T ool (item 13, Appendix E) Material/Parts: Compound, Sealing (item 25, Appendix D) Equipment Condition: Unenergized LRU is on workbench. Personnel Required: One MOS 35Y NOTE This is the standard procedure to remove the inlet valve on all LRUs. Check table 1–1 for approximate location of inlet valve. Figure 1–2 provides additional detail. Table 1–1. Inlet V alve Locations LRU Location DU Electronic Housing VMS Modem Electronic Housing PCU Electronic Housing a. REMOVAL 1. Remove cap (1) from valve stem (2). 2. Using valve core tool, remove valve core (3) from valve stem (2). 3. Remove valve stem (2) from electronic housing (4). b. INSTALLATION 1. Apply sealing compound to valve stem (2) pipe threads. Insert valve stem (2) into electronic housing or bottom cover (4), as appropriate. 2. Torque valve stem (2) to 10 + 1 in.–lb (1.1 + 0.1 NSm). 3. Install valve core (3) in valve stem (2) and tighten until firmly seated. 4. Install cap (1) on valve stem (2). T orque cap to 4.5 + 0.5 in.–lb (0.51 + 0.06 NSm). Change 1 1 4 2 3