2-5. FUEL SYSTEM TROUBLESHOOTING (CONT)
TEST OR INSPECTION
2. LOSS OF POWER
Tell assistant to start and operate engine
at speed where loss of power is
Doing the following will release Diesel fuel. Diesel fuel is highly
combustible. Do not smoke or allow open flames or sparks into area.
Death or severe injury may result if personnel fail to observe this
precaution, If you-
At fuel injection
will release fuel
are burned, obtain medical aid immediately.
pump, loosen nut of fuel line for number 1 cylinder. This
and fuel injector nozzle will not operate.
Check if there is any difference in engine operation.
If there is any difference in engine operation, connect and
tighten nut of fuel line. Repeat above for remainder of cylin-
If there is no difference in engine operation, the fuel injector
nozzle associated with loosened fuel line is defective. Remove
and test fuel injector nozzle (page 3-107) and repair as neces-
sary (page 4-80).