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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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