SAFETY INSTRUCTIONS
Water cooling
Over exposure to vibrations can result in
blood-vessel or nerve injury to persons
!suffering with blood circulation problems.WARNING! Water cooling, which is only used
Seek medical attention if you experiencefor petrol-driven power cutters and when
physical symptoms that can be related to over!cutting concrete, cools the cutting disc and
exposure to vibrations. Examples of suchincreases its service life as well as reduce
symptoms are numbness, lack of feeling,dust formation (see the section �Abrasive
OticklingO, OprickingO, pain lack of or adiscs�). Among the disadvantages are
reduction in normal strength, changes in thedifficulties at very low temperatures and the
colour of the skin or its surfaces. Theserisk of damaging the floor and other sections
symptoms normally appear in the fingers,of the building.
hands or wrists.
Sharpening discs
Discs can become dull when the wrong feeding pressure is
Cutting techniqueused or when cutting some materials such as heavily reinforced
The technique described below is of a general character. Checkconcrete. To force a dull disc results in overheating and finally
information for each disc regarding individual cutting characte-the loss of segments (part of the disc).
ristics. (For example, a diamond disc requires less feeding
pressure than a abrasive disc).Sharpen against a soft material such as sandstone, silica or
haydite brick.
1.Support the work piece in
such away that you canDisc vibration
predict what will happenThe disc can become out of shape (not round) and vibrate if a
and so it will not pinch.too high feeding pressure is used or if the disc is pressed into
the work piece.
2.Always cut at full throttle.
A lower feeding pressure ought to stop the vibration. Otherwise
3.Start cutting gently, doreplace the cutting disc.
not force or squeeze the
Kickbackdisc in.
4.Use a high disc speed.
Kickback can occur very suddenly and with great force. If the
5.Move the disc slowlyfollowing directives are not followed, it can result in serious or
backwards and forwards.even fatal injury.
6.Use a small part of theIf the sector of the disc illustrated below is used for cutting the
discOs cutting edge.disc can start to climbing and kickback the power cutter
upwards and backwards towards the user with immense force.
7.Only use the discOs
cutting edge when
cutting.How to avoid kickback
1.Never cut with the
8.Cut with the disc fullysegment illustrated in the
vertical � at right anglesdiagram.
to the work piece.
2.Keep a good balance and
a firm foothold.
3.Use both hands and take
a firm grip with the thumb
and fingers around the
handle.
4.Keep the work piece at a
comfortable distance.
5.Use the cutter at full
throttle.
WARNING!6.Take care when inserting
Under all circumstances avoid cutting usingthe disc in an existing cut.
the side of the disc; it will almost certainly be
!
damaged, break and can cause immense7.Never cut above shoulder
damage. Only use the cutting section.height.
8.Be alert to movement of
the work piece or anything
else that can occur, which
WARNING!
Do not lean the disc to the side, this cancould cause the cut to
close and pinch the disc.
!cause the disc to jam or break with personal
injury as a consequence.
8 � English |