Adjusting Trimmer For User; Mixing Fuel And Refueling The Brushcutter - Stihl FS 261 Instruction Manual

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Adjusting Trimmer for User

7.1 Fitting and Adjusting the Full
Harness
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► Putting on the Full harness (1).
► Adjust the full harness (1) so that the carabi‐
ner (2) is about a hand's width below your
right hip.
7.2 Adjusting the Bike Handle
The bike handle can be set to different positions
to suit the height and reach of the user.
► Shut off the engine.
► Use the carrying ring to hook the brushcutter
into the carabiner of the carrying system.
► Loosen the wing screw (1).
► Swing the bike handle (2) to the required posi‐
tion.
► Tighten the wing screw (1) securely.
7.3 Balancing the Brushcutter
The cutting attachment should rest lightly on the
ground.
► Shut off the engine.
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7 Adjusting Trimmer for User
► Connect the carrying ring (2) to the carabi‐
ner (1).
► Wait for brushcutter to stop swinging.
► Check the position of cutting attachment. If it
needs adjustment:
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► Loosen the screw (3).
► Move the carrying ring (2) up or down the
shaft until a correct balanced position is
reached.
► Tighten the screw (3) securely.
8 Mixing Fuel and Refueling
the Brushcutter
8.1 Mixing fuel
The fuel required for this trimmer is a mixture of
gasoline and two-stroke engine oil, in a mixing
ratio of 1:50.
STIHL recommends you use STIHL MotoMix.
If you mix the fuel yourself, use only STIHL two-
stroke engine oil or another high-performance
engine oil in accordance with JASO FB, JASO
FC, JASO FD, ISO-L-EGB, ISO-L-EGC or ISO-L-
EGD.
STIHL specifies STIHL HP Ultra two-stroke
engine oil or an equivalent high-performance
engine oil in order to maintain emission limits
over the machine's service life.
► Make sure that the octane number of the gas‐
oline is at least 90 RON and the ethanol con‐
tent is not more than 10% (for Brazil: 27%).
► Make sure the two-stroke engine oil you are
using meets requirements.
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0458-837-0101-A