Husqvarna TAC 345 User Manual download pdf (Page 24)

24 – English

FUEL HANDLING

Fuel

CAUTION! The machine 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 recommended octane grade is RON 90. If you

run the engine on a lower octane grade than RON 90 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 with continuous high revs (e.g. limbing) a

higher octane is recommended.

Environment fuel

HUSQVARNA recommends the use of alkylate fuel, either

Aspen two-stroke fuel or environment fuel for four-stroke

engines blended with two-stroke oil as set out below. Note

that carburettor adjustment may be necessary when

changing the type of fuel (see the instructions under the

heading Carburettor).

Running-in

Avoid running at a too high speed during the ﬁrst 10 hours.

Two-stroke oil

• Always use HUSQVARNA two-stroke oil, which is

specially adapted for our two-stroke engines.

• HUSQVARNA provides two stroke oils adapted for

different application areas and climates. Please contact

your dealer for information about the best options for your

product and area of application.

• 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.

Mixing ratio

For engines up to 80 cc: 01:50 (2%)

For engines over 80 cc: 01:33 (3%)

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

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.

The following applies to chain saws with

catalytic converters:

Always use high grade unleaded petrol (minimum 95 RON)!

Leaded petrol will destroy the catalytic converter and it will no

longer serve its purpose. The green fuel cap on chain saws

with catalytic converters means that only unleaded petrol can

be used.

WARNING! Always ensure there is adequate

ventilation when handling fuel.

Petrol, litre

Two-stroke oil, litre

2% (1:50) 3% (1:33)

5 0,10 0,15

10 0,20 0,30

15 0,30 0,45

20 0,40 0,60

WARNING! Mufﬂers ﬁtted with catalytic

converters get very hot during use and

remain so for some time after stopping. This

also applies at idle speed. Contact can result

in burns to the skin. Remember the risk of

ﬁre!

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Husqvarna TAC 345 User Manual Page 24

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