8 Recommended uses for
BAIER diamond dry-cutting
discs
Uses
Coding colour of the diamond
cutting discs
blue
white
silver
1)
yellow
gold
Granite x xxx
Concrete xx xxx xxx xx
Precast
concrete
blocks
xxx x xx xx xx
Sand-lime
blocks
x xxx xxx x xxx
Bricks xxx xxx xxx
Poroton xxx xxx xxx
Cellular
concrete
xxx xxx
Plaster xxx xxx
xxx optimally suitable
xx well-suited
x suitable
1)
for BDN 464 / 4 only
9 Handling diamond dry-
cutting discs
•
Diamond dry-cutting discs must be stored,
handled and fitted carefully in accordance with
the manufacturer’s instructions.
• Too soft diamond segments:
f Diamond dry-cutting discs wear too quickly
at very high removal rate.
Remedy: The material to be machined
requires diamond dry-cutting discs with a
harder bond.
• Too hard diamond segments:
f The diamond grains become blunt and do
not break out of the bond. The diamond dry-
cutting discs no longer have any cutting
power.
Remedy: The material to be machined
requires diamond dry-cutting discs with a
softer bond.
• In the event of loss in cutting power
(recognisable by intensity of flying sparks)
resharpen the diamond dry-cutting discs by
making several cuts in abrasive material, e.g.
sandstone or with the BAIER professional
whetstone (ID No. 15453).
• Work without applying pressure – the weight of
the machine is sufficient. Increased pressure
causes increased wear.
• Excessive cutting pressure can cause material
fatigue in the base metal and therefore the
formation of cracks. Before use, ensure that
there are no cracks in the diamond dry-cutting
disc.
• Diamond dry-cutting discs are designed for
straight cuts. If used to cut curves the blade
becomes deformed, causing internal cracks and
segments to break off (see “Chap. 3.5 Intended
use”) – Risk of injury!
• The diamond cutter should plunge into the wall
only after the working speed has been reached
– green LED (3) lights up.
• After approx. 2 minutes of cutting time the
machine should be run with no load for
10 seconds, so that the diamond dry-cutting
discs can cool.
10 Tools and Accessories
•
BAIER diamond dry-cutting discs for all
kinds of different areas of use (see “Chap. 8
Recommended uses for BAIER diamond dry-
cutting discs”).
• BAIER BMH 622 chipping hammer
• BAIER special dust extractor
• Professional whetstone (ID. No. 15453)
11 Disposal
Recycle the machine and its packaging
in an environmentally friendly way in
accordance with the provisions applicable
in your country.
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