6
Further safety instructions for all
saws
Kickback causes and related warnings
– kickback is a sudden reaction to a pinched, bound or misaligned saw blade,
causing an uncontrolled saw to lift up and out of the workpiece toward the
operator;
– when the blade is pinched or bound tightly by the kerf closing down, the
blade stalls and the motor reaction drives the unit rapidly back toward the
operator;
– if the blade becomes twisted or misaligned in the cut, the teeth at the back
edge of the blade can dig into the top surface of the wood causing the blade
to climb out of the kerf and jump back toward the operator.
Kickback is the result of saw misuse and/or incorrect operating
procedures or conditions and can be avoided by taking proper
precautions as given below.
a) Maintain a firm grip with both hands on the saw and position your
arms to resist kickback forces. Position your body to either side of the
blade, but not in line with the blade. Kickback could cause the saw to
jump backwards, but kickback forces can be controlled by the operator if
proper precautions are taken.
b) When blade is binding, or when interrupting a cut for any reason,
release the trigger and hold the saw motionless in the material until
the blade comes to a complete stop. Never attempt to remove the
saw from the work or pull the saw backward while the blade is in
motion or kickback may occur. Investigate and take corrective actions to
eliminate the cause of blade binding.
c) When restarting a saw in the workpiece, centre the saw blade in the
kerf and check that saw teeth are not engaged into the material. If
saw blade is binding, it may walk up or kickback from the workpiece as the
saw is restarted.
d) Support large panels to minimise the risk of blade pinching and
kickback. Large panels tend to sag under their own weight. Supports
must be placed under the panel on both sides, near the line of cut and near
the edge of the panel.
e) Do not use dull or damaged blades. Unsharpened or improperly set
blades produce narrow kerf causing excessive friction, blade binding and
kickback.
f) Blade depth and bevel adjusting locking levers must be tight and
secure before making cut. If blade adjustment shifts while cutting, it may
cause binding and kickback.
g) Use extra caution when sawing into existing walls or other blind
areas. The protruding blade may cut objects that can cause kickback.
Lower guard function
a) Check lower guard for proper closing before each use. Do not operate
the saw if lower guard does not move freely and close instantly.
Never clamp or tie the lower guard into the open position. If saw is
accidentally dropped, lower guard may be bent. Raise the lower guard with
the retracting handle and make sure it moves freely and does not touch the
blade or any other part, in all angles and depths of cut.
b) Check the operation of the lower guard spring. If the guard and
the spring are not operating properly, they must be serviced before
use. Lower guard may operate sluggishly due to damaged parts, gummy
deposits, or a build-up of debris.
c) Lower guard may be retracted manually only for special cuts such as
“plunge cuts” and “compound cuts”. Raise lower guard by retracting
handle and as soon as blade enters the material, the lower guard
must be released. For all other sawing, the lower guard should operate
automatically.
d) Always observe that the lower guard is covering the blade before
placing saw down on bench or floor. An unprotected, coasting blade will
cause the saw to walk backwards, cutting whatever is in its path. Be aware
of the time it takes for the blade to stop after switch is released.
Additional circular saw safety
WARNING: Before connecting a tool to a power source (mains switch
power point receptacle, outlet, etc.) be sure that the voltage supply is the
same as that specified on the nameplate of the tool. A power source with a
voltage greater than that specified for the tool can result in serious injury to the
user, and damage to the tool. If in doubt, do not plug in the tool. Using a power
source with a voltage less than the nameplate rating is harmful to the motor.
a) Do not allow anyone under the age of 18 years to operate this saw
b) When operating the saw, use safety equipment including safety goggles or
shield, ear protection, dust mask and protective clothing including safety
gloves
c) Hand-held power tools may produce vibration. Vibration can cause disease.
Gloves may help to maintain blood circulation in the fingers. Hand-held
tools should not be used for long periods without a break
d) Whenever possible, use a vacuum dust extraction system to control dust/
waste
e) Do not attempt to cut material thicker than detailed in the Specifications
section of this manual
f) Adjust the cutting depth to the thickness of the workpiece i.e. less than a
full tooth of the blade should be visible below the workpiece
g) Ensure work is correctly supported. Large panels may sag under their own
weight and bind the saw blade. Supports must be placed under the panel
on both sides, close to the line of cut and near the edge of the panel
h) Ensure all supports and power cables are completely clear of the cutting
path
i) Always secure the workpiece to a stable platform, ensuring body exposure
is minimised, avoiding blade binding, or loss of control
j) Always stand at an angle to the tool when operating
k) Be aware that the blade will project from the underside of the workpiece
l) Do not reach beneath the workpiece where the guard cannot protect you
from the blade
m) Note the direction of rotation of the motor and the blade
n) Inspect the workpiece and remove all nails and other embedded objects
prior to starting work
o) Do not apply any sideways or twisting force to the blade whilst cutting
p) If a cut does not extend to the edge of the workpiece, or if the blade binds
in the cut, allow the blade to come to a complete stop and lift the saw out
of the workpiece
q) Do not attempt to free a jammed blade before first disconnecting the
machine from power
r) Do not move the saw backwards at any time whilst cutting
s) Beware of projected waste. In some situations, waste material may be
projected at speed from the cutting tool. It is the user’s responsibility to
ensure other people in the work area are protected from the possibility of
projected waste
t) If you are interrupted when operating the saw, complete the process and
switch off before diverting your attention
u) Check the lower guard for proper closure before each use. Do not operate
the saw if the lower guard does not move freely and close instantly.
Never clamp or tie the lower guard into the open position. If the saw is
accidentally dropped, the lower guard may be bent. Raise the lower guard
with the retracting handle and make sure it moves freely and does not
touch the blade or any other part, in all angles and depths of cut
v) Always observe that the lower guard is covering the blade before resting
the saw on a surface after use. An unprotected, coasting blade will cause
the saw to move backwards, cutting whatever is in its path. Be aware of
the time it takes for the blade to stop after the trigger switch is released
w) Periodically check that all nuts, bolts and other fixings have not become
loose, and tighten where necessary
The tool must be used only for its prescribed purpose. Any use other
than those mentioned in this manual will be considered a case of misuse.
The user, and not the manufacturer, shall be liable for any damage or injury
resulting from such cases of misuse.The manufacturer shall not be liable for
any modifications made to the tool nor for any damage resulting from such
modifications. Even when the tool is used as prescribed it is not possible to
eliminate all residual risk factors.
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