TM  10-3930-643-34 ENGINE,  FUEL,  EXHAUST  AND  COOLING  TROUBLESHOOTING 4-14. Fuel  Injection  Pump,  Cover  Plate,  Adapter ASSEMBLY AND  MAINTENANCE.  (cont) and Drive Gears. (Sheet 6 of 9) 25. 26. 27. 28. 29. 30. 31. Using a 3/4”   open  end  wrench,  install elbow (64). Using 1-5/16” and 1-1/4” open end wrenches,    install  plug  (63)  in  cover (38) in vehicles S/N 2000 and below or using a 1-1/8” open end wrench, install tachometer  drive  (62)  and  locknut  (62a) in cover (38),    in vehicles S/N 2001 and above. Refer  to  TM  10-3930-643-20. Using a 1/2”   open  end  wrench,  install plug (61) in adapter (48). Using a small hammer, 2-5/16” nuts and 2-1/2” open end wrench, install two pins (60) and studs (59). Using a small hammer. a 1/2” socket, socket  wrench  handle  and  1/2”  open end  wrench,  install  pin  (58),  gear (57), two washers (56), bolts (55), spacers  (54),  plate  (53),  two  washers (52) and locknuts (51). Using a 9/16”   socket and socket wrench  handle,   install adapter (48), two washers (47) and nuts (46) in fuel injection pump (36). Using an 11/16” open end wrench, install elbows (45, 44 and 43) and adapters (42, 41 and 40). Go to sheet 7 4-98