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21 TROUBLESHOOTING
116
Faults
Possible cause
Action
Engine stalls or is popping into the
carburetor
Lack of fuel
–
Turn handle
of the fuel tap to the
ON
posi-
tion. (Figure E00410-10
–
Turn handle
of the fuel tap to the
RES
position. (Figure E00410-10
–
Refuel. (
Engine takes in bad air
–
Check the intake flange and carburetor for
tightness.
The connector or ignition coil is
loose or oxydized
–
Clean the connector and treat with contact
spray.
Engine overheats
Too little coolant in cooling system
–
Check the cooling system for leakage.
–
Check the coolant level. (
Too little air stream
–
Switch off engine when stationary.
Radiator fins very dirty
–
Clean the radiator fins.
Foam formation in cooling system
–
Drain the coolant.
–
Refill with coolant.
Damaged cylinder head or cylinder
head gasket
–
Check the cylinder head and cylinder head
gasket.
Bent radiator hose
–
Change the radiator hose.
White smoke emission (steam in
exhaust gas)
Damaged cylinder head or cylinder
head gasket
–
Check the cylinder head and cylinder head
gasket.
Gear oil exits at the vent hose
Too much gear oil added
–
Check the gear oil level. (
Water in the gear oil
Damaged shaft seal ring or water
pump
–
Check the shaft seal ring and water pump.