English / USA
Fuel mix ages
Only mix sufficient fuel for a few days
work, not to exceed 3 months of storage.
Store in approved fuel-canisters only.
When mixing, pour oil into the canister
first, and then add gasoline. Close the
canister and shake it vigorously by hand
to ensure proper mixing of the oil with
the fuel.
Gaso-
Oil (STIHL 50:1 or
line
equivalent high-quality oils)
US gal.
US fl.oz
1
2.6
2 1/2
6.4
5
12.8
Dispose of empty mixing-oil canisters
only at authorized disposal locations.
14
Fueling
Before fueling, clean the filler cap and
the area around it to ensure that no dirt
falls into the tank.
Position the machine so that the filler
cap is facing up.
Always thoroughly shake the mixture in
the canister before fueling your
machine.
In order to reduce the risk of burns
or 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.
Opening the cap
:
Swing the grip 90° to the upright
position.
:
Turn the cap counterclockwise
(about a quarter turn).
:
Remove the filler cap.
HS 81 R, HS 81 T