TROUBLESHOOTING 19
117
Faults
Possible cause
Action
Engine has too little power
Diaphragm or reed valve hous-
ing damaged
–
Check the diaphragm and reed valve
housing.
Engine stalls or is popping into
the carburetor
Lack of fuel
–
Turn the tap handle of the fuel tap to
the
ON
position.
–
Refuel. (
Engine takes in bad air
–
Check the intake flange and carbure-
tor for tightness.
The connector or ignition coil
is loose or oxidized
–
Clean the connector and treat it 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 sys-
tem
–
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 radial shaft seal ring
or water pump
–
Check the radial shaft seal ring and
the water pump.
Содержание F2101U0
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