Baier BDS 125 N Instruction Manual page 10

Wet concrete cutter / chaser
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For your Safety
Grinding discs, installation material (flanges) and other accessories must
precisely fit on the spindle of your power tool.
Cutting tools which do not precisely fit on the spindle of the power tool rotate irregu-
larly, vibrate severely and can result in loss of control.
After attaching the grinding disc, before switching on, check that the grinding
disc is correctly fitted and can rotate freely. Ensure that the grinding disc
does not touch the protective hood or other parts.
Never use damaged insert tools. Before each use, check insert tools for splin-
ters and cracks. If the power tool or insert tool is dropped or falls, check
whether it is damaged, or use an undamaged insert tool. If you have checked
and inserted the insert tool, keep yourself and other people nearby outside
the plane of the rotating insert tool and let the power tool run at maximum
speed for one minute.
Most damaged insert tools break during this test period.
Do not expose power tools to extreme heat and cold.
Mechanical and electrical damage can occur during extreme heat and/or cold.
Allow the insert tools, tool holders and other parts cool in the immediate
vicinity of the work area after use.
The machines can be very hot after use, do not touch the parts, risk of injuries.
Additional signs or other, non BAIER-specific parts may not be screwed or
riveted onto the motor, handle, gearbox or protective housing.
This could damage the power tool and cause malfunctions.
Avoid unnecessary noise emissions.
Note and follow the safety and work instructions for the accessories used.
Kickback and relevant safety instructions
Kickback is the sudden reaction caused by a rotating insert tool, such as the grind-
ing disc, that gets caught or is blocked. Catching or blocking results in abrupt stop-
ping of the rotating insert tool. This causes an uncontrolled power tool to be accel-
erated against the direction of rotation of the insert tool at the blocking point.
For example, if a grinding disc gets stuck in the workpiece or becomes blocked, the
edge of the grinding disc that is immersed in the workpiece, can get caught and
therefore break out the grinding disc or cause kickback. The grinding disc then
moves towards or away from the person using the tool, depending on the direction
of rotation of the grinding disc at the blocking point. At the same time, grinding discs
can also break.
Kickback is the consequence of incorrect or faulty use of the power tool. It can be
prevented by taking suitable precautions, as described in the following.
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