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Faults - Causes - Elimination
Fault
Cause
Engine does not start
1.
2.
3.
4.
1.
2.
3.
Engine outages occur
4.
5.
1.
Engine often stop at idle
2.
run
3.
1.
Drive does not work
2.
properly
1.
Excessive vibrations
Empty tank
Dirty air filter
Weak ignition spark
„Over-swilled" engine
Ignition cable is loosened.
Fuel piping is clogged or fuel is bad.
Ventilation opening in the fuel tank lid is
blocked
There is water or dirt in fuel piping.
Air filter is dirty.
Ignition distance is too long, spark plug is
defective.
Carburettor is not adjusted precisely.
Dirty air filter
Check the drive handle string tension.
Drive does not work.
Fixing screws are loosened
Elimination
1.
Fill the tank up to its full capacity; check whether
the carburettor contains a fuel; check tank de-
aeration and make an opening in the tank lid with
a needle.
2.
Clean the air filter.
3.
Clean the spark plug or install the new one if
necessary; check the ignition cable; let the ignition
checked in a service.
4.
Unscrew the spark plug, clean it and dry; pull
several times the starting string when the spark
plug is unscrewed.
1.
Fit the spark plug extension firmly onto the spark
plug.
2.
Clean fuel piping, use fresh fuel.
3.
Replace the fuel tank lid.
4.
Drain the fuel and refill clean and fresh fuel.
5.
Clean the air filter.
1.
Adjust or replace the spark plug.
2.
Adjust the carburettor.
3.
Clean the air filter.
1.
Perform additional adjustment of drive handle
string tension if necessary. (pic. 19)
2.
Let the machine checked in a service point.
1.
Tighten the fixing screws.
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