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Lower Guard Function
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Safety Rules for Laser Lights
The laser light/laser radiation used in the system is Class 2 with maximum 1mW and 650nm
wavelengths. These lasers do not normally present an optical hazard, although staring at the beam
may cause flash blindness.
designed for your saw, for optimum performance and safety of operation.
Kickback causes and related warnings
Kickback is a sudden reaction to a pinched, bound or misaligned saw blade, causing an uncon-
trolled 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.
Maintain a firm grip on the saw and position your arms to allow you to resist kickback force. Always
stay to the side of the saw blade, never putting the saw blade in line with your body. The saw can
jump backwards in the event of kickback, but the operator can control kickback force if proper
precautions are taken.
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.
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.
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.
Do not use dull or damaged blades. Unsharpened or improperly set blades produce narrow kerf
causing excessive friction, blade binding and kickback.
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.
Use extra caution when sawing into existing walls or other blind areas. The protruding blade may
cut objects that can cause kickback.
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.
Check the operation of the lower guard spring. If the guard and the spring are not operating proper-
ly, they must be serviced before use. Lower guard may operate sluggishly due to damaged parts,
gummy deposits, or a build-up of debris.
The lower guard may be retracted manually only for special cuts such as “plunge cuts and angle
cuts”. Raise the lower guard by retracting the handle and as soon as the blade enters the material,
release the lower guard. For all other sawing operations, the lower guard should operate automati-
cally.
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.
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