TM    5-2815-241-34&P INTAKE  MANIFOLD  -  CONTINUED ACTION LOCATION ITEM REMARKS 4. Glow  plug  and  pre- Glow  plug  (6)  and Inspect  for  stripped  threads,  cracked heater  assembly  (4) preheater  nozzle  (7) porcelain or cracked preheater nozzle. If  stripped  or  cracked,  replace. ASSEMBLY 5. Glow  plug  and  pre- Glow  plug  (6)  and a. Using   7/8-inch   box-end   wrench,   screw heater  assembly  (4) preheater  nozzle  (7) in  glow  plug  and  tighten. b.  Using  1  1/4-inch  box-end  wrench, screw in preheater nozzle and tighten. 6. Intake manifold (1) New  gasket  (5)  and glow  plug  and  pre- heater  assembly  (4) Place in position. 7. Glow  plug  and  pre- Five  screws  (2) Using 9/16-inch box-end wrench, install heater  assembly  (4) and  five  new and  tighten. lockwashers   (3) NOTE FOLLOW-ON  MAINTENANCE: Install  intake  manifold  (page  2-119). TASK ENDS HERE 2-275