7.2.2 Blades
For safety reasons, have all blade sharpening,
balancing and mounting work carried out by an
authorized service center. To achieve optimal re-
sults, we recommend having the blades checked
once a year.
Changing the blades (Fig. 8/pos. A)
When changing the cutting unit, be sure to use
only genuine replacement parts. The identifi cation
mark on the blade must correspond with the num-
ber specifi ed in the spare parts list.
Never install a blade from a diff erent manufactu-
rer.
Damaged blades
If, in spite of all caution, the blade comes into con-
tact with an obstacle, switch off the engine imme-
diately and pull off the spark plug connector.
Tilt the lawn mower to the rear and check the
blade for damage. Damaged or bent blades must
be replaced. Never straighten a bent blade. Never
work with bent or heavily worn blades as this will
result in vibrations, causing further damage to the
mower.
Warning! Risk of injury when working with a da-
maged blade.
7.2.3 Axles and wheel hubs
Grease should be applied to the axles and wheel
hubs once per season.
To do so, remove the wheel caps with a screwdri-
ver and loosen the fastening screws on the
wheels.
7.2.4 Care and adjustment of the actuator
cables
Oil the actuator cables at regular intervals and
check that they move easily.
7.2.5 Maintenance of the air fi lter
(Fig. 10a/10b)
Soiled air fi lters reduce the engine output by sup-
plying too little air to the carburetor. If the air con-
tains a lot of dust, the air fi lter must be checked
more frequently.
Never clean the air fi lter with petrol or infl ammable
solvents. Clean the air fi lter only with compressed
air or by tapping it.
7.2.6 Maintenance of the spark plug
Clean the spark plug with a copper wire brush.
1. Pull off the spark plug connector (Fig. 11/Item
A).
2. Remove the spark plug using a spark plug
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GB
wrench.
3. Assemble in reverse order.
7.2.7 Inspecting the V-belt
To inspect the V-belt you must remove the V-belt
cover (Fig. 12/Item 5b).
7.2.8 Repairs
After carrying out any repair or maintenance
work, ensure that all safety parts are installed and
in perfect condition.
Keep potentially hazardous parts out of reach of
other persons and children.
Note! In accordance with the German Product
Liability Act, we are not liable for any damages if
they result from improper repairs to the product or
if parts are replaced by items other than genuine
parts or parts approved by us. Furthermore, we
are not liable for any damages if they result from
improper repairs to the product. Arrange for your
customer service or an authorized workshop
to do the work. The same applies to accessory
parts.
7.2.9 Operating times
Please observe the regulations concerning lawn
mower operating times, which may diff er from
town to town.
7.3 Preparing the mower for long-term
storage
Warning! Do not empty the petrol tank in enc-
losed areas, near fi re or when smoking. Petrol
fumes can cause explosions and fi re.
1. Drain the petrol tank using a petrol extraction
pump.
2. Start the engine and run it until the tank and
fuel line are completely empty and the engine
stalls.
3. Change the oil after each season.
4. Remove the spark plug. Use an oil-can to fi ll
the cylinder with approx. 20 ml of oil. Slowly
pull back the starter handle, which will bathe
the cylinder wall with oil. Screw the spark plug
back in.
5. Clean the cooling fi ns of the cylinder and the
housing.
6. Be sure to clean the entire equipment to pro-
tect the paint.
7. Store the equipment in a well-ventilated
place.
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