TM  10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE. 12-11. Lifting  Forks  and  Carriage  Assembly CLEANING/INSPECTION 49. Clean all other parts with cleaning solvent P-D-680. Dry  with  compressed air. Refer to paragraph 2-8. 50. Inspect all parts. Refer to para- graph 2-9. ASSEMBLY 51. Attach hoists and slings to frames (89 and 82). 52. Using a 5/16”   socket,  socket wrench handle and snap ring pliers, install bearing  (88),  retaining  ring  (87)  and lubrication  fitting  (86). 53. Install shim (85), 16 new preformed packings (84) and eight strips (83). 54. Using a plastic hammer, install two pins (81) in cam followers (80). 55. Using a 2-9/16” socket and socket wrench handle, install two nuts (79) on cam followers (80). Go to sheet 11 12-95