Stihl FS 80 Instruction Manual page 17

English
Using the circular saw blade
Circular saw blades are suitable for
thinning brush and cutting small trees up
to a diameter of 4 cm. Do not attempt to
cut trees with larger diameters, since the
blade may catch or jerk the brushcutter
forward. This may cause damage to the
blade or loss of control of the brushcutter
which may result in serious injury.
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When the brushcutter with circular saw
blade is used to cut down small trees,
STIHL recommends that the standard
deflector be removed and replaced by
the special "stop" (see chapter "circular
saw blade" for mounting instructions).
This stop helps to keep the brushcutter
positioned against the tree during the
cutting process. Inexperienced users
should place the left side of the stop
against the tree trunk before beginning
to cut. This will keep the brushcutter
against the tree during the cutting
operation and will reduce the risk of loss
of control and possible kickout
(described in the following section).
!
Warning!
In order to reduce the risk of injury from
thrown objects or from operator contact
with the cutting tool, be sure to remount
the standard deflector for all other uses.
Before starting the cut, accelerate the
engine up to full throttle. Perform cut
with uniform pressure. STIHL
recommends that the circular saw blade
be applied to the right of the tree, using
the non-shaded area of the blade.
!
Warning!
The risk of kickout is highest when
cutting in the darker shaded area. To
reduce the risk of kickout and resulting
injury, do not use this area of the circular
saw blade for cutting trees or shrubs.
Special techniques using the lighter
shaded areas of the blade to cut shrubs
and trees should only be used by
experienced operators with specialized
training in use and control of the
brushcutter.
To reduce the risk of serious injury to the
operator or bystanders by a kickout,
never use a circular saw blade on a
brushcutter with a loop handle.
FS 80, FS 80 R, FS 85, FS 85 R