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26 – English
FUEL HANDLING
Fuelmix
Always provide for good ventilation when
handling fuel.
!
IMPORTANT! The chain saw is equipped with a two-stroke
engine and must always been run using a mixture of gasoline
and two-stroke engine oil. It is important to accurately measure
the amount of oil to be mixed to ensure that the correct mixture
is obtained. When mixing small amounts of fuel, even small
inaccuracies can drastically affect the ratio of the mixture.
Gasoline
• This engine is certified to
operate on unleaded
gasoline.
• Use good quality unleaded
gasoline.
• The lowest recommended
octane rating is 87. If you
run the engine on lower
octane rating than 87 so-
called “knocking“ can occur.
This leads to an increased
engine temperature, which
can result in a serious
engine breakdown.
• When working at continuous
high revs a higher octane
rating is recommended.
Two-stroke oil
• For the best results use JONSERED two-stroke oil, which is
especially developed for chain saws. Mixing ratio 1:50 (2%).
• Never use two-stroke oil intended for water cooled outboard
engines, so-called, outboard oil.
• Never use oil intended for four-stroke engines.
Mixing
• Always mix the gasoline
and oil in a clean container
intended for fuel.
• Always start by filling half
the amount of the gasoline
to be used. Then add the
entire amount of oil. Mix
(shake) the fuel mixture.
Add the remaining amount
of gasoline.
• Mix (shake) the fuel mixture
thoroughly before filling the
saw’s fuel tank.
• Do not mix more than max.
one month’s supply of fuel.
• If the saw is not used for
some time the fuel tank
should be emptied and
cleaned.
• This engine is certified to
operate on unleaded
gasoline.
5
10
15
20
0,10
0,20
0,30
0,40
Gasoline
Oil
2%(1:50)
1
2 1/2
5
2 1/2
6 1/2
12 7/8
US
gallon
US
fl. oz.
Lit. Lit.
The following applies to saws with catalytic
converter
Petrol
Always use high grade unleaded petrol (minimum 95 octane).
Leaded petrol will destroy the catalytic converter and it will no
longer serve its purpose.
Two-stroke oil
For best results and performance use Jonsered two-stroke oil,
which is specially formulated for chain saws. Mixture 1:50 (2%).
For additional information about fuels, see above.
!
WARNING!
The catalytic converter muffler gets very hot
during and after use. This also applies during
idling. Be aware of the fire hazard, especially
when handling the saw near flammable
substances or vapours.