(2) Injector body
Clean and brush all passages in
injector body using fuel hole
cleaning brush and rack hole
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
(3) Injector nut
(a) Using injector nut reamer (30), turn
clockwise to remove carbon deposits
from lower end of nut.
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
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 dont breathe vapors. Do not
use near open flame or excessive heat. The flash point is 100oF-138°F
(38o-50oC). 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.