Fueling - Stihl MS 251 Manual De Instrucciones

container on the ground before filling. To
reduce the risk of sparks from static
discharge and resulting fire and/or
explosion, do not fill fuel containers that
are sitting in or on a vehicle or trailer.
The container should be kept tightly
closed in order to limit the amount of
moisture that gets into the mixture.
The machine's fuel tank should be
cleaned as necessary.
Fuel mix ages
Only mix sufficient fuel for a few days
work, not to exceed 3 months of storage.
Store in approved fuel-containers only.
When mixing, pour oil into the container
first, and then add gasoline. Close the
container and shake it vigorously by
hand to ensure proper mixing of the oil
with the fuel.
Gaso- Oil (STIHL 50:1 or equiva-
line lent high-quality oils)
US gal. US fl.oz.
1 2.6
2 1/2 6.4
5 12.8
Dispose of empty mixing-oil containers
only at authorized disposal locations.
MS 251, MS 251 C

Fueling

Preparations
Before fueling, clean the filler cap
N
and the area around it to ensure that
no dirt falls into the tank.
Always thoroughly shake the mixture in
the canister before fueling your
machine.
Position the machine so that the
N
filler cap is facing up.
WARNING
In order to reduce the risk of fire and
other personal injury from escaping gas
vapor and fumes, remove the fuel filler
cap carefully so as to allow any pressure
build-up in the tank to release slowly
Filler cap markings
Filler caps and fuel tanks may be
marked in different ways.
Depending on the version, your unit may
be equipped with a filler cap and fuel
tank with or without symbols.
Left: Filler cap without symbols.
Right: Filler cap with markings and
symbols on cap and tank.
Filler cap without symbols
Opening
Raise handle.
N
Twist filler cap counterclockwise
N
(approx. 1/4 turn).
English
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