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4
3. ABOUT THE MACHINE
3.1 MACHINE DESCRIPTION
AND INTENDED USE
This machine is a spark-ignition engine.
Engine performance, reliability and life
are inuenced by many factors, some
external and some strictly associated
with the quality of the employed products
and with the scheduled maintenance.
Additional information is provided below
for greater awareness of your machine.
Any other use that does not comply with
the above, can be dangerous and cause
damage to people and/or property.
IMPORTANT Improper use of the machine
causes the warranty to lapse and relieves
the Manufacturer of any liability, placing all
responsibility for damage or injury, to him/
herself or third parties, on the user.
3.1.1 Type of users
This machine is intended for use by
consumers, i.e. non-professional operators.
It is intended for "hobby-related activities".
3.2 SAFETY SIGNS
There are various symbols on the machine. Their
function is to remind the operator of the correct
conduct for use, with due care and caution.
Meanings of the symbols:
Warning! - Petrol is flammable.
Allow engine to cool at least 2
minutes before refuelling.
Warning: Read the instruc-
tions before use.
Warning! - Engines emit car-
bon monoxide. DO NOT run in
enclosed area.
Danger! Keep away from hot
surfaces.
3.3 IDENTIFICATION LABEL
Write the serial number (S/n) of your
machine on the space provided on
the label at the back of the cover.
3.4 ENGINE COMPONENTS
The machine is comprised of the
following main parts (g. 1 ).
A. Oil ller cap with dipstick
B. Carburettor
C. Air lter cover
D. Spark plug cap
E. Engine code
F. Knob of the starter rope (if applicable)
G. Battery (if applicable)
3.5 ENVIRONMENTAL CONDITIONS
The operation of a four-stroke
endothermic engine is aected by:
a) Temperature:
– When operating at low temperatures
cold starts may be dicult.
– When operating at very high temperatures
warm starts may be dicult due to
evaporation of the fuel in the oat
chamber of the carburettor or in the pump.
– In any case the right kind of oil
must be used, according to the
operating temperatures.
b) Altitude:
– The higher the altitude above sea level,
the lower the max power developed
by an endothermic engine.
– When there is a considerable
increase in altitude, the load on the
machine should be reduced and
particularly heavy work avoided.
3.6 FUEL
A good quality fuel is the major issue for
the engine reliability of operation.
Fuel must meet these requirements:
a) Use clean, fresh unleaded gasoline, with a min-
imum of 90 octane
b) Do not use fuel formulated with ethanol greater
than 10%;
c) Do not add oil
d) To protect the fuel system from gum formation,
mix a fuel stabilizer into the fuel.
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