TM  10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE. 12-5. Fork Valve Assembly. (Sheet 5 of 9) DISASSEMBLY 21. Using a scribe, remove and discard preformed packing (36) from housing (37). 22. Using an 11/16” socket and socket wrench handle,   remove nut (38) and preformed  packing  (39). Discard preformed  packing  (39). 23. Using  a  flat  tip  screwdriver,  remove nut  (40),  preformed  packing  (41)  and adjusting screw (42). Discard preformed  packing  (41). 24. 25. 26. 27. Remove items 43 thru 48 as an assembly from body (49). Using a scribe, remove and discard preformed  packing  (43). Remove spring (44), poppet (45), preformed packing (46) and ring (47) from plug (48). Discard preformed packing (46). Remove items 50 thru 55 as an assembly from body (49). 28. Remove spring (50), piston (51) and items 53 thru 55 as an assembly from poppet (52). 29. Remove  ring (53) and preformed packing (54) from poppet (55). Discard  preformed  packing  (54). Go to sheet 6 12-37