SECTION 3 − DUTY − INDUSTRIAL APPLICATION
86
MOTORI
ED. FEBUARY 2003
ANOMALY POSSIBLE CAUSE REMEDY NOTE
Theenginedoesnotstartatlowtem-
peratures
Fuel system c logged with paraffin crystals
forming due to the use of unsuitable fuel.
Replace the fuel w ith fuel su itable for use at
low temperatures. Replace the fuel filters.
K.K.S.B. device for cold spark advanc e con-
trol operating incorrectly.
Check or replace the injection pump. See your dealer.
The engine cuts out. Idle rpm too low. Adjust with adjustment screw.
Irregular flow of injection pump. Adjust flow. See your dealer.
Impurities or water in the fuel lines. Disconnect the hoses and clean them using
a jet of compressed air. Dismantle and c lean
the injection pump. Remove water from fuel
tank and refuel.
Drain f eed system.
Clogged fuel filter. Dismantle and replace if necessary.
Presence of air in the fuel and injection sys-
tem.
Check that the hoses are not cr acked or the
unions loose. Replace worn parts, remove
the air from the hoses and deaerate the in-
jection pump and fuel filter by unsc rewin g
the caps and working the primer pump by
hand.
Broken injection pump controls. Replace the faulty parts.
Abnormal clearance between camshaft
cams and tappets.
Adjust clearance by replacing shims.
Burn t, corroded or chalky valves. Replace the valves, rectify or replace the cyl-
inder head seatings.
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