Manual

FUEL HANDUNG
Fuel
Note! The machine is equipped with a two-stroke engine and
must always be run using a mixture of gasoline and two-
stroke oil Htis important to accurately measure the amount of
oil to be mixed to ensure that the correct mixture is obtained.
When mixing small amounts of rue!, even smalI inaccuracies
can drastically affect the ratio of the mixture.
Gasoline
This engine is certified to operate on unleaded
gasoline.
Use good quality unleaded gasoline. Engines equipped
with catamytic converters must be run on unleaded
fuel mixtures.
The lowest recommended octane grade is 87
((RON+MON)/2). Hfyou run the engine on a lower octane
grade than 87 so-called knocking can occur. This gives
rise to a high engine temperature and increased bearing
load, which can resuIt in serious engine damage.
When working with continuous high revs (e.g. limbing) a
higher octane is recommended.
Environment fueJ
HUSQVARNA recommends the use of alkyiate fuel or
environment fuel for four-stroke engines blended with two-
stroke oil as set out below. Note that carburetor adiustment
may be necessary when changing the type of fuel (see
instructions under the heading Carburetor).
Running-in
Avoid running at a too high speed for extended periods during
the first 10 hours:
Two-stroke oH
For best results and performance use HUSQVARNA two-
stroke oil, which is specially formulated for our two-stroke
engines.
Never use two-stroke oil intended for water-cooled
outboard engines, sometimes referred to as outboard oil.
Never use oil intended for four-stroke engines.
Mi×ing ratio
1:50 (2%) for all engines
Gasoline, litre
5
10
15
20
US gallon
1
2 1/2
5
Two-stroke oil, mitre
2% (1:50)
0,10
0,20
0,30
0,40
US fL oz°
2 1/2
6 1/2
12 7/8
Mixing
4_
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
machine's fuel tank.
Do not mix more than one month's supply of fuel at a time.
If the machine is not used for some time the fuel tank
should be emptied and cleaned.
Chain oim
We recommend the use of special oil (chain oil) with good
adhesion characteristics.
Never use waste oil. This results in damage to the oil
pump, the bar and the chain.
It is important to use oiI of the right grade (suitable
viscosity range) to suit the air temperature.
In temperatures below 0°C (32°F) some oils become too
viscous. This can overload the oiI pump and result in
damage to the oiI pump components.
Contact your service agent when choosing chain oil.
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