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26 – English
FUEL HANDLING
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.
Chain oil
• The chain lubrication
system is automatic. Always
use special chain oil with
good adhesive
characteristics.
• In countries where no
special chain oil is available,
transmission oil EP 90 can
be used.
• Never use waste oil. This
results in damage to the oil
pump, the bar and the
chain.
• It is important to use oil of
the right viscosity according
to the air temperature.
• In temperatures below 0
o
C
(32
o
F) some oils become
too viscous. This can
overload the oil pump and
result in damage to the oil
pump components.
• Contact your servicing
dealer when choosing chain
oil.
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.
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.
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
motors, so-called, outboard oil.
• Never use oil intended for four-stroke engines.
Gasoline
• This engine is certified to
operate on unleaded
gasoline.
• Use good quality unleaded
gasoline.
• The lowest octane
recommended is 87.
• If you run the engine on a
lower octane grade than 87,
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.