TM  10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE. 33. 34. 35. 36. 12-5. Fork Valve Assembly. (Sheet 7 of 9) ASSEMBLY NOTE Lubricate  all  preformed  packings, wipers,  seals.   sliding parts and housing  before  installing. 37. 38. 39. 40. 41. Install new preformed packing (54) and ring (53) on poppet (55). Install items 55 thru 53 as an assembly, piston (51) and spring (50) on poppet (52). Install items 55 thru 50 as an assembly in body (49). Install packing (44)  in Install Using a ring (47), new  preformed (46), poppet (45) and spring plug (48). new preformed packing (43). 1-1/4” socket and socket wrench  handle,  install  items  48  thru 43 as an assembly in body (49). Using  a  flat  tip  screwdriver,  install adjusting  screw  (42),  new preformed packing (41) and nut (40). Tighten nut (40) to 10 lb-ft. Using an 11/16” socket and torque wrench,  install  new  preformed  packing (39) and nut (38). Tighten nut (38) to 10 lb-ft. Install  new  preformed  packing  (36)  in housing (37). Go to sheet 8 12-39