Special Safety Precautions; Measures For Preventing Machine-Specific Risks - stayer SC300W Operating Instructions Manual

14.Special safety precautions

Description of risks specifically related to
the machine
Any of the following prior risk conditions must have
existed for the risks to become real:
1.The operator has not been suitably trained.
2.The mitre saw has not been installed suitably.
3.The mitre saw has not been maintained correctly.
4.The mitre saw has been disassembled and then
been assembled incorrectly.
5.The mitre saw has been disassembled and
assembled with parts lacking.
6.Operator does not use the protection as
indicated.
7.Operator grasps the workpiece with his/her hand.
8.Operator exposes his/her hands, body or
garment to the cutting path.
The two main classes of risks entailed by the use of
this machine are contacts with the cutting disk and
projections of particles or cut pieces.
1. Contact with the cutting disk
Case of use 1.1: During the development of the
cutting operation
Description of an accident of type 1.1.1: The
appearance of a nod in the wood leading to a
change in the resistance to penetration causes an
abrupt jerk in the workpiece and thus the possibility
that the operators hand is suddenly displaced
towards the disk and contacts the same if it remains
accessible.
Description of an accident of type 1.1.2: This occurs
during headpiece cutting operations at workpieces
having a very short length being held manually.
When the disk penetrates into the workpiece, the
latter may fall into the disk's penetration slot of the
cutting table and thus drag the hand that holds the
workpiece, making it enter into contact with the disk
if it remains accessible.
Case of use 1.2: Fortuitous contact with the
disk when turning without load in the resting
position
ENGLISH
49
Description of an accident of type 1.2.1: It occurs
when working with a machine that has been
manipulated or lacking guards. Under these
conditions the actuating element remains locked
such that the operator maintains the disk rotating
without load in the resting position and with the disk
being accessible. At the same time the operator's
hand enters into contact with the cutting disk whilst
carrying out operations in areas in the vicinity of the
disk (e.g. removing the cut workpiece, placing a
new workpiece on the table, etc.).
Case of use 1.3: Abrupt fall if the disk due to
breakage of the fastening spring in the resting
position
Description of an accident of type 1.3: There occurs
the drop of the counterweight of the movable head
sustaining the cutting disk due to breakage of one or
both of the counterweight springs or of the
anchoring thereof. At the same time the disk
remains rotating without load. At the same time the
operator has his/her hands under the cutting path.
Under these conditions the disk catches up with the
operator's hands that at that moment are carrying
out operations in that area.
2. Projection of the cut workpiece
Case of use 2.1: Abrupt fall if the disk due to
breakage of the fastening spring in the resting
position
Description of an accident of type 2.1: This risk
appears when operating on short workpieces with
fixed stoppers. After completing the cut and raising
the disk, the remnant wedged between the stopper
and the disk may be dragged thereby and projected
violently, and in the worst case even lead to a
breakage of the disk.
1 5 . M e a s u r e f o r p r e v e n t i n g
machine-specific risks
1.Preventing contacts with the cutting disk
1.1 Prevention during the development of the
cutting operation
1.The operator must mandatorily be sufficiently
trained and instructed, and know the
present manual in such a manner that
he/she is able to know if a machine or
h i s/h e r w o rki n g e n vi ro n m e n t a re
suspicious of not providing a perfect
service. Do not use the machine under
these circumstances!
49