Before
each use
After an
operating
period of 25
hours
After an
operating
period of 50
hours
After an
operating
period of 100
hours
After an
operating
period of 300
hours
Check the
engine oil
X
Change the
engine oil
for the first time
then every 100
hours
X
Check the
air filter
X
Change the
filter element if
necessary
Clean the
air filter
X
Clean the
petrol filter
X
Visual inspection
of the unit
X
Clean the
spark plug
Distance:
0.6mm,
Replace if
necessary
Check and
readjust the
carburetor's
throttle valve
X*
Clean the
cylinder head
X*
Set the valve
clearance
X*
Please adhere to the following maintenance periods in order to ensure
a failure-free operation.
Important: The positions marked with "X*" should only be carried out
by an authorized dealer.
GB
3
Serviceheft Benzin BM 51 S 13.08.2005 12:22 Uhr Seite 3
