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SAFETY INSTRUCTIONS
Diamond blades
Diamond blades consist of a steel body with segments that
contain industrial diamonds
!
WARNING!
Cool diamond blades continuously with
water to prevent overheating that can cause
the blade to break and pieces being thrown
off resulting in injury and damage.
Guard
Check that the guard is not
cracked or shows signs of any
other damage. Clean the
inside of the guard before
fitting a new blade. Check that
the guard can be adjusted.
Material
All brickwork,
reinforced
concrete and
other
composite
materials.
NOT
recommended
for metal.
General char-
acteristics
Low cost per
cutting opera-
tion. Fewer
blade changes.
Constant
cutting depth.
Less dust.
Water cooling
Increases the
blade’s service
life
DIAMOND BLADES, TYPES AND USES
Using diamond blades
Proceed as follows:
• Let the cutting blade rotate in the same direction as the
arrow markings indicate.
• Cool continually with water.
• Keep the cutting blade sharp.
• Remove the cutting blade when the machine is transported.
Avoid:
• Running the cutting blade in the wrong direction.
• Forcing a dull blade or wedging the blade into a cut.
• Transporting the power cutter with the blade fitted.
• Letting the blade fall on the work piece.
Diamond blades for dry cutting
Diamond blades for dry cutting are a new generation of blades
that do not require water cooling. However, the blades are still
damaged by excessive heat. It is good economics to let the
blade cool by simply lifting the blade from the cut every 30–60
seconds and let it rotate in the air, for 10 seconds to cool.
Type of cutting blades
The cutting blade should be
marked with the same or a
higher speed than that stated
on the machine’s rating plate.
Never use a cutting blade
with a lower speed rating than
what is stated on the
machine’s rating plate.
Damage
• Ensure the blade it not
cracked or damaged in any
other way.
• Test the abrasive disc by
hitting it lightly with a piece
of wood. If the blade does
not give a full-sounding ring
then it is damaged.
• Never use a blade that has
fallen on the floor.
Assembly
• Check that the blade is
fitted correctly and is
secure.
• Follow all specifications in
the table below.
Specifications for fitting blades
Standard blades inches .787 7/8 1
centre hole mm 20 22,2 25,4
(spindle)
Reducing bush* Max. thickness Blade thickness
Min thickness 3 mm (1/8")
Backing pad Material Highly compressible,
(Must be used) e.g. blotting paper
Max. thickness 0,5 mm (.020")
Spindle hole/ Play 0,2 mm (.010")
drive shaft
Flange tightening The bolt is tightened to 15-25 Nm
Blade/guard Check that the blade runs free of the
guard.
* Plastic reducing bushes may only be used with abrasive
discs. Do not use reducing bushes with diamond blades or
tungsten carbide blades.We recommend that the spindle is
replaced so that it fits the blades to be used rather than using
a reducing bush. Contact your service workshop for details.
Diamond
blade