FUEL INJECTION NOZZLES
Loosen the locknut (4) that holds the pressure
adjustment ,screw. Use tool (D) to hold the pres-
sure adjustment screw.
While the nozzle is held in one hand, tilt the
nozzle and remove the pressure adjusting screw
and locknut, spring, seat and valve.
If the valve does not slide out of the nozzle,
install tool (C) and remove valve as follows:
Push valve into nozzle with tool (C) until
valve is against bottom of nozzle.
Push down on body of tool (C) to engage
collet on valve with tool (C).
Turn nut counterclockwise and remove valve
from the nozzle body. Put the parts in solvent
to loosen carbon and deposits of foreign
material. The body is assembled with an
epoxy material and must not be in contact
with the solvent for more than one to two
ASSEMBLE FUEL INJECTION
Nozzle Holding Tool
Nozzle Test Group
NOTE: sure all of the parts have been thoroughly
cleaned before the nozzles are assembled. Flush the
body to remove an)- debris or lapping compound.
Put clean fuel on all of the parts.
Put valve (1) in position in the body as shown.
Install lift adjustment screw (6) into pressure
screw (5). Turn the lift adjustment screw two or
three turns. Install the locknut (4) on the pressure
adjustment screw (5).
Put spring (3), and seat (2) in position on the
Put seat (2) in contact with the and push the
into position in the body. Tighten the pres-
sure screw b) hand.