Table 4-1.--Diesel Engine Troubleshooting Chart--Continued
· With coolant loss.
Coolant entering cylinder.
· At high engine speed or Insufficient fuel.
Correct fuel flow.
Air in fuel.
Test fuel system for air leaks.
Injector filter clogged.
Test injector filters.
Injector rack levers out of adjust- Adjust injector rack control levers.
Eliminate restriction in exhaust
Restricted air intake.
Test air inlet restriction.
Check blower screen for obstruc-
Service or replace air filter as re-
Governor to injector rod movement Correct governor to injector rod
Injector control tube and lever as- Replace faulty parts.
Lube oil leak into cylinder(s).
Test cylinder compression. Elimi-
nate oil leak.
Exhaust smoke black-gray.
Air inadequate for complete fuel Eliminate cause of excessive ex-
haust back pressure.
Eliminate restriction of fresh air
Intake housing screen.
Correct air pressure loss at:
Air intake housing gasket.