TM 10-4320-318-14
6-5. MAINTENANCE OF INJECTOR.
This task covers:
Test
INITIAL SETUP
Tools
General Mechanics Tool Kit
(Item 1, Appendix B)
Fuel Injector Pop Tester
(Item 3, Appendix B)
Materials/Parts
Fuel (Item 6, Appendix E)
General Safety Instructions
WARNING
Diesel fuel is flammable. Keep sparks, cigarettes,
and open flame away from fuel system components
while working on engine.
Equipment Conditions
Fuel injector removed (para.4-26).
TEST
(1) Connect fuel injector to injection test set.
WARNING
•
Do not put hands under nozzle during test. Fuel under high pressure can cause
severe injury.
•
Diesel fuel is flammable. Keep sparks, cigarettes, and open flame away from fuel
system components while working on engine. Injury or death may occur from afire
or explosion.
(2) Pump injection test set until fuel sprays from tip of nozzle. Check pattern of fuel spray. Fuel must spray
in a mist from jets. Presence of a solid stream indicates a faulty nozzle.
(3) Bleed pressure from injection test set. Remove fuel injector.
6-10
