5. Clean the spark plug with a wire
brush.
6. Insert the cleaned and adjusted spark
plug or replace a damaged spark plug
with a new one (recommended torque
20 Nm, determined with a torque
wrench) (see "Replacement parts/Ac-
cessories").
Changing the Engine Oil
Change the engine oil with the
petrol tank empty and the engine
warm.
• Change the engine oil for the
first time after around 5 operat-
ing hours then every 50 operat-
ing hours or annually.
• Dispose of the used oil in an
ecofriendly manner (see "Dis-
posal/Environmental protec-
tion").
1. Remove the spark plug connector
11) (see "Maintaining the Spark
(
Plug").
2. Open the oil tank cover (
pump out the motor oil with an oil
pump.
3. Refill with engine oil (see "Initial Op-
eration").
Checking/Sharpening/Replac-
ing the Blade
Only allow specialist companies to
sharpen the blade.
Wear gloves when handling the
blade.
•
Take off the spark plug connector
(
and damage.
•
Always have a blunt blade resharp-
ened by a specialist company, as an
imbalance check can be carried out
there.
•
Always have a specialist workshop
change a damaged or imbalanced
blade.
19) and
Never tilt the lawnmower to the
side or forwards when the petrol
or oil tank is filled!
This could damage the engine,
voiding the warranty.
11) and check the blade for wear
Incorrect installation can result
in serious injury.
1. Make sure the lawn mower is
secure!
2. Use firm gloves and keep hold
of the blade (35). Use a spanner
to turn the blade bolt (36) coun-
ter-clockwise from the motor
spindle.
Once you have loosened the blade
bolt (36), the clamping disk (37)
must be replaced.
3. Reassemble the new blade in
the reverse order. Make sure
that the blade is positioned
correctly and that the screw is
tightened.
GB
101