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Check and reset the correct distance between the
electrodes (Fig. 9).
Replace the spark plug and fasten it rmly using
the supplied key.
The spark plug must be replaced with one with
the same characteristics in the cases where the
electrodes have burnt or the insulation has worn
out, and in any case every 50 working hours.
TUNING THE CARBURETTOR
The carburettor is tuned by the manufacturer to
achieve maximum performance in all situations
of use, with a minimum emission of toxic gas in
compliance with current specications.
In the case of poor performance, rst check that
the blades are not partially blocked or deformed,
on the contrary ask your Retailer to check the car-
burettor and the engine.
• Tuning minimum speed
WARNING!
The cutting device must
not move when the engine is running idle. If
the cutting device moves when the engine is
running idle, contact your dealer to correctly
regulate the engine.
LUBRICATING THE REDUCTION GEAR
(Fig. 10)
Every 20 working hours, top up the level with spe-
cial molybdenum bisulphur lubrication, in jec ting it ,
after unscrewing the screw (1), into the lubricator
(2), positioned at the bottom of the machine.
BLADE CLEANING AND CHECK
WARNING!
Periodically check that the
blades are not bent or deformed and that the
screws are adequately tightened.
Adjustment of the distance between blades is not
necessary, as this is predetermined by the ma-
nufacturer.
Cleaning of debris from the inner grooves must be
done regularly, as this could impede the bla des
from turning correctly.
Proceed with cleaning (Fig. 11):
– Loosen the nuts (1), remove the screws (2) and
Correct maintenance is essential to maintain the
o r iginal ecency and safety of the machine over
time.
WARNING!
During maintenance ope-
ra tions:
– remove the spark plug cap.
– Wait until the engine is suciently cold.
– Use protective gloves when handling the
bla des.
– Keep the blade protection devices on, ex-
cept when intervening directly on the blade.
– Never dispose of oils, fuel or other polluting
materials in unauthorised places
CLEANING THE ENGINE AND THE SILENCER
To reduce re risks, periodically clean the cylinder
aps with compressed air and clear the si len cer
area from branches, leaves or other de bris.
CLEANING THE AIR FILTER
IMPORTANT
Cleaning the air lter is es-
sen tial to guarantee the eciency and duration of
the machine.
It must be cleaned after every 15 working hours.
To clean the lter (Fig. 8):
– Loose the knob (1), remove the cover (2) and
the lter element (3).
– Wash the lter element (3) with soap and wa ter.
Do not use petrol or other solvents.
– Leave the lter to dry in the open air.
– Replace the lter element (3) and the cover (2)
and tighten the knob (1).
FUEL FILTER
Inside the fuel tank there is a lter which prevents
impurities from entering the engine.
The lter should be replaced once a year by your
Re tailer.
CHECKING THE SPARK PLUG
Periodically, remove and clean the spark plug from
any eventual deposits using a metal brush.
10 MAINTENANCE AND PRESERVATION
EN
7. MAINTENANCE AND PRESERVATION
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