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• Hang the cutting blade on your finger and hit the
cutting blade lightly with a screwdriver. If you do not
hear a clear sound, the cutting blade is damaged.
xxxx
Diamond blades
WARNING: Diamond blades become
very hot when used. A diamond blade that is
too hot gives bad performance, blade
damage and is a safety risk.
WARNING: Do not use diamond
blades to cut plastic material. The hot
diamond blade can melt the plastic, which
can cause a kickback.
• Diamond blades have a steel core with segments
that are made of industrial diamonds.
• Diamond blades are used for masonry, reinforced
concrete and stone.
• Make sure that the diamond blade rotates in the
direction of the arrows shown on the diamond blade.
• Always use a sharp diamond blade.
• Diamond blades can become blunt if you use an
incorrect feeding pressure or when you cut materials
such as hard reinforced concrete. If you use a blunt
diamond blade it becomes too hot, which can cause
the diamond segments to come loose.
To sharpen the cutting blade
Note:
For the best cutting results, use a sharp cutting
blade.
• To sharpen the cutting blade, cut into soft material,
such as sandstone or brick.
Diamond blades for wet cutting
• Diamond blades for wet cutting must be used with
water.
• Water decreases the temperature of the cutting
blade, increases its service life and decreases dust
during operation.
• When wet cutting, collect the waste water safely.
Diamond blades for dry cutting
• For diamond blades for dry cutting it is necessary to
have a sufficient airflow around the cutting blade to
decrease the temperature. Because of this, diamond
blades for dry cutting are recommended only for
intermittent operation. After some seconds of
operation, it is necessary to let the diamond blade
rotate freely, away from the cut. This lets the airflow
around the blade decrease the temperature of the
diamond blade.
Diamond blade - side clearance
WARNING: Certain cutting situations or
poor blades can suffer excessive wear on
the side of the segments. Make sure the
diamond segment (A) is wider than the
blade (B). This is to prevent pinching in the
cutting slot and kickback. Refer to
Kickback
on page 17
.
T2
A
B
CAUTION: Some cutting situations and
worn blades may cause increased wear on
the side of the segments. Replace the blade
before it is worn out.
Toothed blades
WARNING:
Never use toothed blades
such as wood cutting blades, circular
toothed blades, carbide tipped blades, etc.
The risk of kickback is significantly increased
and tips can be torn off and thrown at high
speed. Carelessness can result in serious
personal injury or even death.
1447 - 004 - 04.05.2021 13
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