Kickback - Causes And Corresponding Safety Instructions - Scheppach Hs80 Original Bedienungsanleitung

d) When performing longitudinal cuts, always
apply the feed force to the workpiece between
the stop rail and the saw blade. Use a push rod
if the distance between the stop rail and saw
blade is less than 150 mm, and a push block
if the distance is less than 50 mm. This type of
working aid ensures that your hands remain a safe
distance from the saw blade.
e) Only use the push rod provided by the manu-
facturer, or a push rod that has been produced
in accordance with instructions. The push rod
ensures a sufficient distance between the hand
and saw blade.
f) Never use a damaged or partially sawn push
rod. A damaged push rod may break and lead to
your hand running into the saw blade.
g) Never work "freehand". Always use the paral-
lel stop or the mitre stop to position and guide
the workpiece. "Freehand" means supporting
or guiding the workpiece with the hands, rath-
er than using the parallel stop or mitre stop.
Free-handed sawing leads to incorrect alignment,
jamming and kickback.
h) Never reach around or over a turning saw
blade. Reaching for a workpiece can lead to acci-
dental contact with the rotating saw blade.
i) Support long and/or wide workpieces at the rear
and/or side of the saw table, so that they remain
horizontal. Long and/or wide workpieces tend to tilt
at the edge of the saw table; this leads to a loss of
control, jamming of the saw blade and kickback.
j) Guide the workpiece steadily and evenly. Do
not bend or twist the workpiece. If the saw
blade jams, switch off the electric tool imme-
diately, unplug the mains plug and remedy the
cause of the jam. If the saw blade is jammed by
the workpiece, this can lead to kickback or block
the motor.
k) Do not remove partially sawn material whilst
the saw is running.
Partially sawn material can stick between the saw
blade and stop rail or in the protective cover, and
may draw your fingers into the saw blade during
removal. Switch the saw off and wait until the saw
blade has come to a standstill, before removing
the material.
l) For longitudinal cuts on workpieces that are
thinner than 2 mm, use an additional parallel
stop that is in contact with the table surface.
Thin workpieces can wedge under the parallel
stop and lead to kickback.
Kickback - causes and corresponding safety in-
structions
Kickback is a sudden reaction of the workpiece to a
catching or jamming saw blade, or a cut created in the
workpiece at an angle to the saw blade, or if part of the
workpiece becomes jammed between the saw blade
and the parallel stop, or another stationary object.
In the majority of cases, with kickback the workpiece is
caught by the rear part of the saw blade, lifted off the
saw table and thrust in the direction of the operator.
Kickback is the result of incorrect or deficient use of
the circular table saw. It can be prevented by suitable
precautionary measures, as described in the following.
a) Never stand directly in line with the saw blade.
Always stand at the side of the saw blade on
which the stop rail is located. With kickback, the
workpiece may be thrust at high speed towards
those persons who stand in front of, or in line with
the saw blade.
b) Never reach over or behind the saw blade to pull
or support the workpiece. This can result in acci-
dental contact with the saw blade, or kickback can
lead to your fingers being drawn into the saw blade.
c) Never hold and push the workpiece against the
turning saw blade during sawing. Pushing the
workpiece against the saw blade during sawing
will lead to jamming and kickback.
d) Align the stop rail parallel to the saw blade.
A stop rail that is not aligned will push the work-
piece against the saw blade and create kickback.
e) With concealed saw cuts (e.g. folds, grooves
or slits in the turning process), use a thrust
collar to guide the workpiece against the table
and stop rail.
Using a thrust collar, you are able to better control
the workpiece in the event of kickback.
f) Apply particular caution when sawing assem-
bled workpieces in areas that are not visible.
The plunging saw blade can saw into objects that
could cause a kickback.
g) Support large panels, in order to avoid the risk
of kickback due to a jammed saw blade.
Large panels may bend under their own weight.
Panels must be supported in all areas where they
overhang the table surface.
h) Apply particular caution when sawing work-
pieces that are twisted, knotted or warped, or
that do not have a straight edge that can be
used to guide them with a mitre stop or along a
www.scheppach.com GB | 33