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7
ADDITIONAL SPECIFIC SAFETY RULES
continued
SAVE THESE INSTRUCTIONS!
g) Always use blades with correct size and shape (diamond versus
round) of arbor holes. Blades that do not match the mounting hardware
of the saw will run eccentrically, causing loss of control.
h) Never use damaged or incorrect blade washers or bolt. The blade
washers and bolt were specially designed for your saw, for optimum
performance and safety of operation.
Kickback Safety Instructions
Causes and Operator Prevention of Kickback:
– 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:
i) 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.
j) 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.
k) 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.
l) Support large panels to minimize 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.
m)Do not use dull or damaged blades. Unsharpened or improperly set
blades produce narrow kerf causing excessive friction, blade binding and
kickback.
n) 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.
o) Use extra caution when making a "plunge cut" into existing walls or
other blind areas. The protruding blade may cut objects that can cause
kickback.