Refueling The Trimmer / Brushcutter - Stihl FS 361 C-M Owner's Instruction Manual

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WARNING
Shaking fuel can cause pressure to build in the fuel
container. To reduce the risk of fire and severe personal
injury or property damage from fuel spraying, allow the fuel
container to sit for several minutes before opening. Open the
container slowly to release any residual pressures. Never
open the fuel container in the vicinity of any ignition source.
Read and follow all warnings and instructions that
accompany your fuel container.
To properly mix fuel:
► If not using STIHL MotoMix, only mix sufficient fuel for a
few days of work. Never mix more than a 30-day supply of
fuel.
► Store the fuel mix in an approved fuel container.
► Depending on the required amount of fuel, determine the
correct amounts of 2-cycle engine oil and gasoline in a mix
ratio of 50:1. Examples for fuel mixes:
– 1 US gals of gasoline: 2.6 oz. of 2-cycle engine oil
– 2.5 US gals of gasoline: 6.4 oz. of 2-cycle engine oil
– 5 US gals of gasoline: 12.8 oz. of 2-cycle engine oil
► When mixing, pour oil into the container first, and then add
gasoline. Close the container and shake it by hand to
ensure proper mix of oil and gasoline.
► Dispose of empty mixing-oil containers only at authorized
disposal locations.

10.2 Refueling the Trimmer / Brushcutter

WARNING
Removing the fuel cap on a pressurized fuel tank can result
in gasoline, vapors and fumes being forcefully sprayed out
from the tank in all directions. The escaping gasoline, vapors
32
10 Mixing Fuel and Refueling the Trimmer / Brushcutter
or fumes, sometimes referred to as fuel spraying or
"geysering," can cause serious personal injury, including fire
and burn injury, or property damage, @ 5.6.
WARNING
Fuel spraying can occur when the engine is hot and the tank
is opened while under pressure. It can occur in hot
environments even if the engine has not been running.
Spraying is more likely to occur when the fuel tank is half full
or more. Always follow the fueling instructions in this
manual:
– Treat every fuel tank as if it is pressurized, particularly
if it is half full or more.
– Always allow the trimmer / brushcutter to cool
adequately before attempting to open the fuel tank or
refueling. This will take longer in hot conditions.
– Never remove the cap by turning it directly to the open
position. Turn it first approximately 1/2 of a turn
counter-clockwise to the vent position to relieve any
residual pressure.
– Never open the fuel tank while the engine is still hot or
running.
– Never open the fuel tank or re-fuel the trimmer /
brushcutter near any sparks, flames or other ignition
sources.
– Pick the right fuel: use only good quality (89 octane or
higher), fresh fuel blended for the season.
– Vapor lock: do not remove the fuel cap in an effort to
relieve vapor lock. Removing the cap has no effect on
vapor lock.
– Be aware that fuel spraying is more likely at higher
altitudes.
Opening and Refueling
To refuel the trimmer / brushcutter:
► Shut off the engine, @ 12.1.
► Allow the trimmer / brushcutter to cool. Never attempt to
remove the cap while the engine is still hot or running.
0458-838-8601-A

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