ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
Table 4-9. Diesel
Engine Exhausts Black Smoke Troubleshooting
OK
Not OK
set overload
Reduce load on
Not OK
OK
Fuel must be DL1, DL2, or JP8
Drain fuel tank and fuel system.
OK
Not OK
Check for clogged air
Then fill tank with proper fuel.
cleaner and air intake piping
Replace fuel filter element,
Prime and bleed fuel lines,
Replace air cleaner element.
Inspect fuel injector,
Not OK
OK
Clean air intake piping,
Replace defective fuel injector,
Contact next higher
level maintenance