DBB0202
20
Before a saw is restarted in the work piece, check that the teeth are not engaged in the material.
Keep the handle of the circular saw dry, clean and free from oil and grease.
Always be very careful when sawing in high or difficult to reach locations. Watch out for concealed electrical
cables and falling debris.
Signs and nameplates must be left on the circular saw. These provide important information.
Never assume that the blade has stopped because the power has been cut. The blade can continue to move even
after the motor has stopped.
The saw can create debris that can get into the eyes and cause great pain or injury.
Always check the bolts and the blade's washers before use. Damaged or faulty bolts or washers can cause damage.
Never put your hand under the tool when the blade is moving. Do not use your legs or feet to hold the work piece
steady.
Stand to one side of the saw blade, but not in line with the saw blade. Kickback can cause the saw to jump back.
Do not put your hand under the work piece. The guard does not keep you away from the blade under the work
piece.
Check that the lower guard is properly closed before each use. Do not use the saw if the lower guard does not move
freely and close immediately. Never fasten or lock the lower guard in the open position. If you drop the tool the
lower guard could get bent. Raise the bottom guard with the retractable handle and ensure that it moves freely and
does not touch the blade or any other part, at all angles and depths of the cut.
Check that the lower guard's spring works and is in good condition. The guard and the spring must be serviced
before use if they do not function correctly. The lower guard may be sluggish due to damaged parts, rubber
deposits or accumulated dirt.
The lower guard should only be withdrawn manually for special cuts, such as recessed and transverse incisions.
Raise the lower guard with the retractable handle. The lower guard must be released as soon as the blade enters the
material. In all other saw work the lower guard should function automatically.
Always ensure that the lower guard covers the blade before the saw is placed on the bench or floor. An unprotected
blade running free can move the saw backwards, and cut everything in its path. Remember that it takes a while for
the blade to stop after the power button has been released.
Never hold the object to be cut in your hands or across your legs. It is important to support the cutting piece
properly so that body contact is minimized, the blade does not jam, and you do not lose control.
Hold the power tool by the insulated grips when working in areas where the tool may come into contact with
concealed electrical cables or its own power cord. In the event of contact with a live cable, the metal parts of the
tool also become conductive and the user receives an electric shock.
Always use a fence or a straight guiding edge when splitting. This makes the cut more accurate and reduces the risk
of the blade jamming.
Always use blades of the right size and shape (diamond-shaped or round) on the shaft holes.
Blades that do not fit the saw assembly parts run eccentrically, so that you lose control.
Never use damaged or incorrect washers or bolts for the blade. Blade washers and bolts are specially designed for
each saw, for optimum performance and safety.
Causes of kickback and ways to prevent it
Kickback is a sudden reaction that occurs when the saw blade gets trapped, jammed, or become misaligned, so that
the saw lifts uncontrollably from the work piece towards the user.
If the saw blade hooks into, or is trapped in a closing saw track, it becomes blocked and the motor's reaction kicks
the machine back towards the user.
If the saw blade is twisted or becomes incorrectly aligned in the saw track, the teeth at the rear of the blade cut into
the work piece surface so that the blade is dragged out of the saw track and back towards the user.
Kickback occurs if the tool is used incorrectly, or if working methods or conditions are wrong. It can be prevented
by taking the appropriate action described below.
Hold the saw steady and position yourself with your arms and legs so that you prevent the forces of kickback.
Forces from kickback can be controlled by the user, if the appropriate action is taken.
If the blade jams or a saw movement is interrupted for any reason, release the power switch and hold the saw still
in the material until the blade has completely stopped. Never attempt to remove the saw from the work piece or pull
the saw back when the blade is still in motion, otherwise kickback can occur. Investigate and rectify the cause of
the jam.
Before the saw is restarted in the work piece, centre the blade in the saw track and check that the teeth are not
engaged in the material. If the saw blade jams it can slip or jump backwards from the work piece when the saw is
restarted.
Summary of Contents for DBB0202
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