SECTION 3 - INDUSTRIAL APPLICATION 75
VECTOR 8 ENGINES
Print P2D32V001E Base - April 2006
Symptom
Visible
trouble
Possible cause Repair Notes
Attributable to malfunctioning in the fuel supply:
Insufficient fuel level during operation Check fuel level
The lack of fuel causes trouble to normal
system operation mostly when there is a
remarkable request of fuel.
Scarce loading
Fuel system clogged before the prefilter
Check if the prefilter priming pump works
properly. If the knob of the pump remains
aspirated downwards by the depression,
disassemble and check prefilter integrity. If
the trouble persists have the manufacturer
check the system between the tank and the
prefilter.
Check accurately and clean fuel system
request
performances.
Possible smoke and
roc
in
Fuel leaks from fittings or pipes after the
low pressure pump.
Check the conditions of the pipes and
relevant seals.
Abnormal
performance
Diesel fuel filter clogged
Check the presence of errors (detectable
data) with the diagnosis instrument, then
replace the filters
Air blow-by before the low pressure pump
Check the conditions of the pipes and
relevant seals between the prefilter and the
low pressure pump. Check that the bleed
screws on the filter are tightened.
With full load
performance decay
Oneormoreinjectorsblocked.
The injector that does not work can be
found even without diagnosis instruments
even if it is completely closed because the
relevant high pressure pipes would be cold.
CAUTION: hot engine parts may c ause
severe injuries.
occurs.
Air filters clogged as indicated by the
sensors.
Request cleaning/replacement of the filters
and clean the intake ducts before the filters