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10 – English
SAFETY INSTRUCTIONS
Blade vibrations
The blades can become out of true and vibrate if a too high
feed pressure is used.
A lower feed pressure can stop the vibration. Otherwise
replace the blades. See the instructions under the heading
Assembling the blades.
The blades shall be intended for the material to be cut.
Material
Diamond blades are ideal for masonry, reinforced concrete
and other composite materials. Diamond blades are not
recommended for cutting metal.
Diamond blades are available in several hardness classes.
The blades shall be intended for the material to be cut. A
"soft" diamond blade has a relatively short service life and
large cutting capacity. It is used for hard materials such as
granite and hard concrete. A "hard" diamond blade has a
longer service life and reduced cutting capacity, and should
be used for soft materials such as brick and asphalt.
Sharpening diamond blades
Diamond blades can become dull when the wrong feeding
pressure is used or when cutting certain materials such as
heavily reinforced concrete. Working with a blunt diamond
blade causes overheating, which can result in the diamond
segments coming loose.
Sharpen the blade by cutting in a soft material such as
sandstone or brick.
High speed handheld machines
Only use special blades with integrated belt pulley halves on
this machine.
The blades should be marked with the same or a higher
speed than that stated on the machine’s rating plate. Never
use blades at a lower speed rating than that of the power
cutter.
General working instructions
Water cooling
Water cooling must always be used. This cools the blades and
increases their life and prevents dust build-up.
There is a restrictor in the water hose that reduces the water
flow.
At a low water pressure, for example when the water tank is
used, the restrictor can be dismantled to give the correct
water flow.
CAUTION! It is important not to use a too high water flow
without throttling as the belt can then slip.
Cutting technique
• Support the work piece in such a way that it is possible to
predict what will happen, and so that the cut remains open
while cutting.
• Always hold the machine in a firm grip with both hands.
Hold it so that the thumbs and fingers grip round the
handles.
• Check that the blades are not in contact with anything
when the machine is started.
• Start cutting with the machine running at maximum
speed.
• Start cutting gradually, let the machine work without
forcing or pressing the blades. Always cut at maximum
speed.
IMPORTANT! This section describes basic safety directions
for using a power cutter. This information is never a
substitute for professional skills and experience. If you get
into a situation where you feel unsafe, stop and seek expert
advice. Contact your dealer, service agent or an
experienced power cutter user. Do not attempt any task that
you feel unsure of!