All six fuel injectors are removed the same
(1) If rust has formed on fuel injector (1), use
penetrating oil on nut (2) and allow three
minutes for soaking.
(2) Tap fuel injector (1) with drift pin to loosen
(3) While holding fuel injector (1), loosen
nut (2) and remove fuel injector.
(4) Remove and discard copper washer (3) and
(1) Clean carbon off of valve using a brass wire brush.
Drycleaning solvent (P-D-680) is TOXIC and flammable. Wear protective goggles and gloves; use
only in well-ventilated area; avoid contact with skin, eyes, and clothes, and do not breathe vapors.
Keep away from heat or flame. Never smoke when using solvent; the flashpoint for type I
drycleaning solvent is 100°F (38°C) and for type II is 140°F (60°C). Failure to do so may result in
injury or death to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and medical help.
If solvent contacts skin or clothes, flush with cold water. If solvent contacts eyes, immediately flush
eyes with water and get immediate medical attention.
Compressed air used for cleaning purposes must not exceed 30 psi (207 kPa). Use only with effective
chip guarding and personal protective equipment (goggles/shield, gloves, etc).
(2) Clean nozzle holder with compressed air. New nozzle holders must be flushed with drycleaning solvent to
remove protective coating.