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General
WARNING! Running an engine in a
!
confined or badly ventilated area can
result in death due to asphyxiation or
carbon monoxide poisoning. Use fans to
ensure proper air circulation when
working in trenches or ditches deeper
than one meter (3 foot).
Fuel and fuel fumes are flammable and
can cause serious injury when inhaled or
allowed to come in contact with the skin.
For this reason observe caution when
handling fuel and make sure there is
adequate ventilation.
The exhaust fumes from the engine are
hot and may contain sparks which can
start a fire. Never start the machine
indoors or near combustible material!
Do not smoke and do not place any hot
objects in the vicinity of fuel.
Fuel
NOTICE! The machine is equipped with a two-stroke
engine and must always be 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
•
Use good quality unleaded gasoline.
•
The lowest recommended octane grade is 87
((RON+MON)/2). 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 and
increased bearing load, which can result in serious
engine damage.
•
When working at continuous high revs a higher octane
rating is recommended.
Environment fuel
HUSQVARNA recommends the use of alkylate fuel or
environmental fuel for four-stroke engines blended with
two-stroke oil as set out below. Note that carburetor
adjustment may be necessary when changing the type of
fuel (see instructions under the heading Carburetor).
Ethanol blended fuel, E10 may be used (max 10%
ethanol blend). Using ethanol blends higher than E10 will
create lean running condition which can cause engine
damage.
12 – English
FUEL HANDLING
Two-stroke oil
•
For best results and performance use HUSQVARNA
two-stroke engine oil, which is specially formulated for
our air-cooled two stroke-engines.
•
Never use two-stroke oil intended for water-cooled
engines, sometimes referred to as outboard oil (rated
TCW).
•
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 machine's fuel tank.
•
Do not mix more than one month's supply of fuel at a
time.
Mixing ratio
•
1:50 (2%) with HUSQVARNA two-stroke oil or
equivalent.
•
1:33 (3%) with oils class JASO FB or ISO EGB
formulated for air-cooled, two-stroke engines or mix
as per recommendation from the oil manufacturer.
Gasoline, litre
5
10
15
20
US gallon
1
2 1/2
5
Two-stroke oil, litre
2% (50:1)
0,10
0,20
0,6/0,30
0,40
US fl. oz.
2 1/2
6 1/2
12 7/8
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