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Carefully remove the air filter element (2).
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Clean the filter element (2) every 25 operational hours.
If the filter element is lightly soiled, beat it carefully; if it is heavily soiled, replace it. Do not wash out the filter element,
blow it with compressed air or oil it.
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Once the filter element has been cleaned or replaced, insert it in the housing (3).
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Attach the air filter cap (1) and turn it clockwise.
In the case of unfavourable operational conditions (severe formation of dust), cleaning is required after every mowing
procedure. Replace the filter element once a year or every 300 operating hours.
(Please see original spare parts and accessories for order no. of filter element.)
Checking the spark plug (Illustration Y )
To check for wear, remove the spark plug connector and unscrew the spark plug. If the electrode is badly worn the spark
plug must be replaced as a matter of course. (Order no. see original spare parts list and accessories).
Otherwise it is sufficient to clean the spark plug and set the electrode gap to 0.7-0.8 mm. Screw the spark plug (pay attention
to sealing ring) into the engine by hand and tighten using the socket wrench. Press on spark plug connector. Replace the
spark plug annually.
Correct winter storage of the engine (or when not used for a long period of time)
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Empty the petrol tank or allow the engine to run until it stops due to lack of fuel.
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Switch off engine and disconnect spark plug cable.
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Drain the oil while the motor is still warm. Fill with fresh oil (for quantity and type, see technical data).
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Clean grass and chaff from cylinder and cylinder head fins and around muffler.
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Always keep the machine in a clean condition in a closed, dry room out of reach of children.
20 TROUBLESHOOTING
Fault
Engine does not start up
Engine performance decreases
Engine runs irregularly
Blade does not switch on
(model with blade brake)
All manuals and user guides at all-guides.com
Possible cause
Control bar not turned down
(model with engine brake)
Fuel tap closed.
Ventilation valve in the fuel filler cap
closed.
Fuel tank empty.
Spark plug connector loose.
Spark plug defective or soiled or
electrodes worn out.
Too much petrol feed to engine
(spark plug wet).
Air filter soiled.
Air filter dirty.
Ventilation valve in tank cover
closed.
Spark plug contaminated with soot.
Ventilation valve in tank cover
closed.
Air filter dirty.
Spark plug contaminated with soot.
Control handle not turned down.
Switch-on lever of cutting unit not
actuated
21
Remedy
Press the control bar onto the upper part of
the bar D3 .
Open the fuel tap A .
Open the ventilation valve in the fuel filler
cap A .
Fill up with clean and fresh fuel.
Push plug connector in place or have it
checked by an authorised workshop.
Replace or clean spark plug, set electrode
distance to 0.7-0,8 mm Y .
Have it checked by an authorised
workshop.
Clean or replace air filter insert W .
Clean or replace air filter insert W .
Open ventilation valve in tank cover A .
Have it cleaned by an authorized dealer.
Open ventilation valve in tank cover A .
Clean or replace air filter insert W .
Have it cleaned by an authorized dealer.
Have it checked by an authorized dealer.
Press switch holder onto the upper part of
the bar H3 .
Swiftly push the lever forward up to the stop
and release H3 .
GB
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