Könner & Söhnen KS 7HP-1050G, Manual

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10. TROUBLESHOOTING
Malfiunktion Possible trouble Troubleshooting
The engine
does not start
Engine circuit breakeris
in the OFF position
Bring the engine circuit breaker to
ON position
There is no fuel in the tank Add fuel,clean the fuel line
Clogged fuel line
Always use fresh fuel of
branded varieties, good unleaded
gasoline
Pool, old or contaminated fuel
in the tank
Clean fuel tank, fuel line to the
carburetor
The air filter is dirty Clean the air filter
Spark plug wire disconnected from
spark plug; high
voltage wires badly loosen in plug
Insert the plug wire to the spark
plug; check the connection
between the high voltage wire
ang plug
Spark plug is blacken with smoke or
damaged; wrong distance between
the electrodes
Clean or replace the spark plug; set
the distance between electrodes
Engine «drowned» after
several attempts to launch
Unscrew and dry the spark plug,
pull the rope several times when
spark plug is off;
fuel supply controller is in STOP
position
Low crankcase oil Add oil to the crankcase
Hard start
or decreased
engine power
The fuel tank is dirty Clean fuel tank
The air filter is dirty Clean the air filter
Sparkplus is sooted Clean the cooling ribs
Water in the fuel tank
and carburetor; carburetor
is occluded
Empty the fuel tank; clean the fuel
line and carburetor
Engine overheating
Wrong distance between
spark plug electrodes
Set the right distance between
spark plug electrodes
The air filter is dirty Clean the air filter
Cooling ribs are dirty Clean the cooling ribs
Too low level of engine oil Add engine oil
No draft
when pressed
on clutch lever
Improperly instailled cluth cable Adjust the clutch rope
Increased vibration
when working
Weakened engine mounts Tighten the engine screws