Preparing To Work - Stiga A 305 Operator's Manual

Chain-saw for tree service
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10
EN

5. PREPARING TO WORK

1. PREPARING THE FUEL
This machine is fitted with a two-stroke engine
which requires a mixture of petrol and lubricating
oil.
IMPORTANT
age the motor and will cause for invalidation of the
warranty.
IMPORTANT
oils to maintain high performance and guarantee
the duration of the mechanical parts over time.
• Petrol characteristics
Only use unleaded petrol with a fuel grade of at
least 90 N.O.
IMPORTANT
ate deposits in the container if preserved for more
than 2 months. Always use fresh petrol!
• Oil characteristics
Only use top quality synthetic oil specifically for
two-stroke engines.
Your dealer can provide you with oils which have
been specifically developed for this type of engine,
and which are capable of guaranteeing a high level
of protection.
The use of these oils makes it possible to prepare
a 2,5% mixture, consisting in 1 part oil to 40 parts
petrol.
• Preparation and preservation of the fuel
mixture
DANGER!
Petrol and the fuel mixture are highly inflam-
mable!
– Keep the petrol and fuel mixture in homolo-
gated fuel containers, in safe place, away
from any flames or heat sources.
– Never leave the containers within the reach
of children.
– Never smoke whilst preparing the mixture
and avoid inhaling the petrol fumes.
The chart indicates the amount of petrol and oil to
use to prepare the fuel mixture according to the
type of oil used.
Using petrol alone will dam­
Only use quality fuels and
Unleaded petrol tends to cre­
Petrol
liters
1
2
3
5
10
To prepare the fuel mixture:
– Place about half the amount of petrol in a ho-
mologated tank
– Add all the oil, according to the chart.
– Add the rest of the petrol.
– Close the top and shake well.
IMPORTANT
age. Do not prepare excessive amounts of the fuel
mixture to avoid deposits from forming.
IMPORTANT
ture containers separate and easily identifiable to
avoid the mistake of using one in place of the
other.
IMPORTANT
and fuel mixture containers to remove any even­
tual deposits.
IMPORTANT
tion is insufficient, there is an increased danger of
early piston seizing due to abnormally lean mix­
ture. Also, be careful that, if the usage in the in­
struction manual is not observed as to the mixed
gasoline, etc. de scri bed therein, it may not be cov­
ered by the warranty.
2. REFUELLING
WARNING!
are highly flammable. RISK OF BURNS AND
FIRE.
WARNING!
carefully as pressure may have formed inside.
DANGER!
– Do not smoke during refuelling and avoid
inhaling petrol fumes.
– Add fuel before starting the engine.
– Make sure that the fuel tank cap is properly
closed after refuelling.
PREPARING TO WORK
Synthetic oil 2-stroke
liters
cm
3
0.025
25
0.050
50
0.075
75
0.125
125
0.250
250
The fuel mixture tends to
Keep the petrol and fuel mix­
Periodically clean the petrol
Be careful that, if the agita­
Petrol and petrol fumes
Open the fuel tank cap

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This manual is also suitable for:

A 305 cSpr 255Spr 255 c

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