TM  10-3930-643-34 GENERAL  SUPPORT  ENGINE, 13-12. Fuel  Injectors. DISASSEMBLY NOTE FUEL,  EXHAUST  AND  COOLING  MAINTENANCE.  (cont) (Sheet 2 of 4) There are six fuel injector nozzles.  The  following  is  a disassembly  procedure  for  one  fuel injector  nozzle. The  disassembly procedure for the remaining five is identical. 1. Using a 15 mm box wrench and vice, separate nut (1) and housing (7). 2. Remove spacer (2) and nozzle (3) from nut (1). 3. Remove seat (4), spring  (5)  and spacer (6) from housing (7). Go to sheet 3 13-78