TM  10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 12-4. Inlet Valve Assembly. (Sheet 2 of 6) DISASSEMBLY 1. 2. 3. 4. 5. Using a 1-1/4” open end wrench, remove relief valve items 2 thru 19 as an assembly from housing (22). Using a scribe, remove and discard preformed  packing  (l). Using an 11/16” socket and socket wrench handle, remove nut (2) and preformed  packing  (3). Discard preformed  packing  (3). Using an 11/16”   socket,  socket  wrench handle and a flat tip screwdriver, remove  nut  (4),  preformed  packing  (5) and adjusting screw (6). Discard preformed  packing  (5). Using  a  1-1/4”  socket,  socket  wrench handle and a open end wrench. remove items 7 thru 12 as an assembly from body (13). Go to sheet 3 12-28