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2)
Blade guard and saw blade
a)
Check that the guard of the maschine is correctly fitted and without any cracks or
deformations before starting the machine. The guard always has to be fitted to the
machine during operation.
b)
Check that the saw blade is fitted correctly and does not show signs of damage. A
damaged saw blade can cause personal injury.
c)
Only use such saw blades that fulfil all requirements of this ring saw.
d)
Never use a saw blade at a lower speed rating than that menioned on the ring saw
and in this operating instructions. Accessories that turn faster than permitted may be
damaged.
e)
When using a saw blade make sure that it rotates in the direction indicated by the
arrow on the blade. There is an arrow on the machine that indicates the shafts direction
of rotation that the blade is mounted on.
f)
Never use a cutting blade for any other materials than that it was intended.
g)
Do not transport the ring saw with the saw blade fitted. All blades should be
removed from the ring saw after use.
h)
Saw blades for this saw must always be cooled with water in order to avoid
overheating. If the saw blade is not cooled, personal injury and property damage may
occur.
3)
Cutting technique
a)
Care for safe standing and keep the balance anytime. Always hold the machine in
a firm grip with both hands.
b)
When sawing, always stand parallel to the saw blade. Do never stand directly
behind the saw blade as the saw will move in the plane of the blade in case of a
kickback. Never use the kickback area of the ring saw for cutting.
c)
Never cut above shoulder height.
d)
Do not use the ring saw from a ladder. Use a scaffolding if you are cutting above the
shoulder height.
e)
Check that the saw blade is not in contact with anything when the machine is
started.
f)
Avoid blockage of the saw blade by excessive pressure, lateral stress and
excessively deep cuts. Let the machine work without excessive force. Lateral loading
of the bar and the diamond chain can lead to material and personal injury.
g)
Support the work piece in such a way that no unpredictable movement is possible,
and so that the cut remains open while cutting.
h)
When cutting openings, first perform the lower horizontal cut, then the two vertical cuts.
Finish with the upper horizontal cut. If the upper horizontal cut is carried out before the
lower one, the cut-out unit falls onto the cutting equipment and jams or damages it.
i)
Arrange the splash guard in such a way that the splashes and sparks entrained by
the workpiece are caught and guided away by the user.
4)
Kickback
The word kickback is used to describe a sudden reaction that causes the ring saw to be kicked
uncontrollable into the direction of the user or away from the user depending on the direction of
rotation. Kickback is caused by blocking of the saw blade. This uncontrollable movement can
cause damages on material and personal injury. A kickback is the result of an incorrect or
improper use of the ring saw.
a)
Always hold the machine in a firm grip with both hands. Bring your body and arms
in a position in which you can control the rebound forces. The operator can control
the rebound and reaction forces by appropriate precautions.
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