TM  10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 12-11. Lifting Forks and Carriage Assembly. (Sheet 11 of 15) ASSEMBLY  (cont) NOTE The following are differences between M10A Forklift models. The removal/installation  procedure  is identical. 56. 57. 58. 59. 60. Position  four  washers  (78)  in vehicles S/N 2000 and below. Position two washers (77) in vehicles S/N 2001 and above. Using a hammer and punch, install two rollers (76), shafts (75) and pins (74). Using a 3/8”   socket  and  socket  wrench handle, install two lubrication fittings (73 thru 71). Using  hoists  and  slings,  position items 89 thru 83 on items 82 thru 71 as assemblies. Go to sheet 12 12-96