I
43
COMMON REPAIRS
NOTE: If following our recommendations does not solve the problem or you encounter any other problems or
damage not listed in this table, do not attempt to resolve the situation yourself and instead consult a “BENZA”
distributor
• Replace the air filter every 100 hours of use.
• Clean the spark plug and adjust the electrodes every 100 hours (p.17)
Fault or problem
Possible cause
Solution
The engine fails or will not start up Not enough oil
Check the oil level and refill if
necessary (p.31)
Stop/start switch off or fuel valve
closed
Turn to the “ON” position or open
the fuel valve (p.35)
Fuel shortage
Check the fuel level
and refill (p.36)
Spark plug is dirty or broken
Clean the spark plug (p.41) or
replace it with a new one
The engine becomes blocked and
shuts itself off
Working position is too deep
Raise the depth lever to a higher
position (p.37)
The engine doesn’t rotate and
generate enough power.
Dirty air filter
Clean the air filter (p.39)
The working depth is not deep
enough even though the depth
lever is in the lowest position
Worn blades
Take the machine to have its
blades replaced (p.42)
