SECTION 3 − DUTY − INDUSTRIAL APPLICATION
88
MOTORI
ED. FEBUARY 2003
ANOMALY POSSIBLE CAUSE REMEDY NOTE
Engine operation is irregular and lacks
power
Partial blockage of nozzles or faulty oper-
ation of inject ors.
Clean the nozzles of the atomisers using the
appropriate tools and completely overhaul
the injectors.
Impurities or water in the fuel and injection
system.
Carefully clean the system and refuel. If necessary drain feed system.
Incorrect play between camshaft cams and
tappets.
Check and correct play
Faulty turbocharger. Replace complete unit.
Air cleaner blocked. Clean or replace air cleaner.
Faulty operation of L.D.A. device Check that the diaphragm is not perforated,
that the counter spring is suitable and that
it has the correct loading (check on test
bench).
Check that there is adequate air pressure in-
side the intake manifold in relation to the
engine rpm under full−load c o n ditions.
See your dealer.
Tie rods between accelerator pedal and re-
gulation lever incorrectly adjusted.
Adjust the t ie−rods so that the command
lever can be moved t o t he fu ll delivery posi-
tion.
Engine running with abnormal knocking Faulty operation of injector s. Replace all injectors.
Fuel lines blocked. Dismantle the hoses, clean them and re-
place those that are seriously dented.
Incorrect set−up of injection pump. Correct the set−up of the pump so that in-
jection occurs at the specified angle.
See your dealer.
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