Quantcast Fuel Injector Tube Repair (cont) - TM-5-4210-220-34_187

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Fuel Injector Tube Repair
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Fuel Injector Tube Repair (cont) - TM-5-4210-220-34_188
TM 5-4210-220-34 2-19. ENGINE - Continued (8)     Place   installer   J5286-4B   in   new   injector tube.    Insert  the  pilot  J5286-5  through  the small opening of  the  injector  tube.    Thread pilot onto installer and handtighten. (9)     Slip injector tube and installer assembly into cylinder  head.    Drive  carefully  into  place. The  injector  tube  upper  flange  is  used  to retain seal.  The seal is accomplished between head counterbore (inner diameter) and   outside diameter of tube. (10)  Turn  cylinder  head  upside  down.    Remove pilot J5286-5. (11)  Thread flaring dye J5286-6 onto tapped end of installer J5286-4B. (12)  Using socket and torque wrench apply 30 ft lb (41 Nm) torque to the flaring dye. (13)  Remove all tools from injector tube. (14)  Turn  cylinder  head  right  side  up  and  clean injector tube. (15)  Place  a few  drops  of cutting  oil (item  8, Appendix  B)  on  reamer  J22525-1.    Insert reamer carefully into injector tube. (16) Turn the reamer clockwise.  Withdraw every 2 turns to remove chips.  Keep cutting until shoulder   of   reamer   contacts   the   Injector tube.    Withdraw  reamer  and  clean  injector tube. (17)  Turn  cylinder  head  upside  down  and  place a few drops of cutting oil (item 8, Appendix B) on cutting  tool  J5286-8.    Insert  carefully into small hole of injector tube. (18)  Remove  excess  stock  from  lower  end  of  tube  so  tube  is  flush  to  0.005  in.    (0.13  mm)  below  the  finished surface of the cylinder head Withdraw cutting tool J5886-8.  Clean injector tube. (19)  Insert gage tool J25521 into injector tube.  Zero the sled dial indicator J22273 on lower face of cylinder head. (20)  Slide  sled  dial  indicator  so  its  pointer  contacts  the  gage  tool.    Hold  gage  tool  firmly  in  injector  tube.    Dial should read 0 + 0.014 in.  (0 + 0.36 mm). (21)  Place a few drops of cutting oil on the bevel seat of the tube Carefully lower reamer J5286-9 into injector tube until it contacts the bevel seat. 2-191

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