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26 – English
Mixing
• Always mix the petrol and
oil in a clean container
intended for fuel.
• Always start by filling half
the amount of the petrol to
be used. Then add the
entire amount of oil. Mix
(shake) the fuel mixture.
Add the remaining amount
of petrol.
• 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.
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 petrol 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.
Petrol
• Use good quality unleaded
or leaded petrol.
• The lowest octane
recommended is 90.
• If you run the engine on a
lower octane grade than 90
so-called, knocking can
occur. This gives rise to a
high engine temperature,
which can result in serious
engine damage.
• When working with
continuous high revs (e.g.
delimbing) a higher octane
grade is recommended.
Two-stroke oil
• For the best results use HUSQVARNA two-stroke oil, which is
especially developed for chain saws. Mixing ratio 1:50 (2%).
• If HUSQVARNA two-stroke oil is not available, you may use
another two-stroke oil of good quality that is intended for air
cooled engines. Contact your dealer when selecting an oil.
Mixing ratio 1:33 (3%)-1:25 (4%).
• Never use two-stroke oil intended for water cooled outboard
motors, so-called, outboard oil.
• Never use oil intended for four-stroke engines.
5
10
15
20
2%(1:50)
0,10
0,20
0,30
0,40
3%(1:33)
0,15
0,30
0,45
0,60
4%(1:25)
0,20
0,40
0,60
0,80
Gasolin
Benzin
Essence
Gasolina
Lit.
Oil • Öl
Huile • Aceite
Lit.
1
2 1/2
5
2%(1:50)
2 1/2
6 1/2
12 7/8
3%(1:33)
3 3/4
9 3/4
19 1/4
4%(1:25)
5 1/8
12 7/8
25 3/4
US
gallon
US
fl. oz.
The following applies to saws with catalytic
converter
Petrol
Always use high grade unleaded petrol (minimum 95 ROZ).
Leaded petrol will destroy the catalytic converter and it will no
longer serve its purpose. The green fuel cap on saws fitted with
catalytic converters means that only unleaded petrol can be
used.
Two-stroke oil
For best results and performance use Husqvarna 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.