Figure 11C-24. Removing or
Figure 11C-23. Removing or
Installing Plunger, Follower and
I n s t a l l i n g Filter Cap
Spring
4. Invert the fixture and, using socket J
C l e a n Injector Parts
4983-01, loosen the nut on the injector
body
(see
on
Since most injector difficulties are the
result of dirt particles, it is essential
t h a t a clean area be provided on which to
5. Lift the injector nut straight up, be-
place the injector parts after cleaning
ing careful not to dislodge the spray tip
and inspection.
and valve parts. Remove the spray tip
and valve parts from the bushing and
Wash all of the parts with clean fuel oil
or a suitable cleaning solvent and dry
place them in a clean receptacle until
ready for assembly.
them with clean, filtered compressed air.
Do not use waste or rags for cleaning
When an injector has been in use for
purposes. Clean out all of the passages,
some time, the spray tip, even though
drilled holes and slots in all of the injec-
clean on the outside, may not be pushed
tor parts.
readily from the nut with the fingers.
Carbon on the inside of the spray tip
In this event, support the nut on a wood
may be loosened for easy removal by
block and drive the tip down through the
s o a k i n g for approximately 15 minutes in a
nut, using tool J 1291-02 as shown in
suitable solution prior to the external
Figure 11C-26 on page 11C-16.
cleaning and buffing operation.
Methyl
Ethyl Ketone J 8257 solution is recom-
6.
Refer
to
on
page
mended for this purpose.
11C-21 and remove the spill deflector.
Then lift the bushing straight out of the
Clean the spray tip with tool J 9464-01
injector body.
(see Figure 11C-27 on page 11C-17).
7. Remove the injector body from the
holding fixture. Turn the body upside
NOTE
down and catch the gear retainer and
Care must be exercised when in-
gear in your hand as they fall out of the
serting the carbon remover J
body.
9464-01 in the spray tip to avoid
contacting the needle valve seat in
8. Withdrawn the injector control rack
the tip.
from the injector body. Also remove the
seal ring from the body.
Fuel System and Governor