TM9-2815-202-34 (2) Injector body (a) (b) Clean and brush all passages in injector  body  using  fuel  hole cleaning brush and rack hole cleaning  brush. Ream injector body ring using reamer (29). Insert reamer in body and turn in clockwise direction a few turns.  Then  remove  reamer  and check face of ring for reamer contact. Repeat  operation  until  reamer  makes contact with entire face of ring. Clean opposite side of ring in same manner. (3) Injector nut (a) Using injector nut reamer (30), turn clockwise  to  remove  carbon  deposits from lower end of nut. CAUTION l l Carbon  deposits  on  spray  tip seating  surfaces  of  injector  nut  will cause  poor  seating  and  may  result in fuel leakage around spray tip. (b) Using injector nut reamer (31), . turn  clockwise  to  remove  carbon deposits from bottom of tip seat to produce  a  clean  uniform  seat  for spray tip. Dry  cleaning  solvent  P-D-680  is  toxic  and  flammable.  Wear  protective goggles  and  gloves  and  use  only  in  a  well-ventilated  area.  Avoid contact  with  skin,  eyes,  and  clothes  and  don’t  breathe  vapors.  Do  not use  near  open  flame  or  excessive  heat.  The  flash  point  is  100^oF-138°F (38^o-50^oC).  If  you  become  dizzy  while  using  cleaning  solvent,  get  fresh air  immediately  and  get  medical  aid.  If contact  with  eyes  is  made,  wash your  eyes  with  water  and  get  medical  aid  immediately. Compressed  air  used  for  cleaning  purposes  will  not  exceed  30  psi.  Use only  with  effective  chip  guarding^-and  personal  protective  equipment (goggles/shield,   gloves,   etc). (c) Wash nut in clean solvent and blow dry. (d)  If  necessary,  repeat  steps  (a  thru  c)  until  all  carbon  is  removed. 4-225