3-2. FUEL SYSTEM MAINTENANCE
a. Fuel Injector Nozzles.
This task covers removal, testing, and installation of
fuel injector nozzles.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Torque wrench, 1/2 inch drive
Fixed open end wrench set
Injector bore cleaning tool (FSCM 45225 PN CAS-1411)
Brass wire brush
Diesel fuel injection nozzle tester (FSCM 45225 PN CAS-10091)
Elbow (FSCM 45225 PN 65-0476)
Test stand adapters (FSCM 45225 PN 65-0078)
Injector kit (FSCM 45225 PN CAS-10093)
Crowsfoot wrench, 11/16 inch (FSCM 55719 PN AN-8508-11)
Crowsfoot wrench, 7/8 inch (FSCM 55719 PN AN-8508-14)
Crowsfoot wrench, 7/8 inch (FSCM 55719 PN AN-8506-8)
Open end wrench, 15 mm
Ratchet wrench, 1/2 inch drive
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Oil-soluble grease (Appendix C, item 26)
Carbon removing compound (Appendix C, item 27)
Nozzle gasket (FSCM 10988 PN A76640)
REFERENCE: TM 5-3805-262-20
PRELIMINARY PROCEDURE: Engine side panels and hoods removed and engine
top hood removed (refer to TM 5-3805-262-20).
Dry cleaning solvent P-D-680 used to clean parts 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 and dont smoke
when using it. Failure to do so could cause serious injury. If you be-
come dizzy while using cleaning solvent, get fresh air and medical
attention immediately. If contact with skin or clothes is made, flush
with large amounts of water. If contact with eyes is made, wash eyes
with water and get medical aid immediately.
(1) Clean area around fuel injectors using clean cloth moistened with clean-
ing solvent P-D-680.