Rev 00.00
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reproduction of this manual, even partial, is forbidden.
NUMBER OF OPERATORS
The suitable number of operators, able to carry out the operation described in an optimal way, as
established by a careful manufacturer analysis, whereby a different number of operators might not make it
possible to obtain the expected result or might endanger the safety of the personnel involved.
STATE OF THE MACHINE
The state of the machine includes operating modes, for example automatic running mode, jog command,
stop, etc., the condition of the safety devices on the machines such as protection devices provided (or not
provided), pressed emergency button, type of isolation from energy sources, etc.
RESIDUAL RISK
Risks that persist despite the adoption of the protective measures included in the design of the machine and
despite the additional protective devices and measures adopted.
SAFETY DEVICE
Device:
-
That carries out a safety function;
-
which, when faulty and/or broken, endangers the safety of people.
(e.g. lifting equipment; fixed, mobile, adjustable protective device, etc., electric, electronic, optical,
pneumatic, hydraulic device interlocking a protection device, etc.).
PICTOGRAMS
The descriptions that follow this pictogram contain:
very important information/instructions, in particular as regards safety.
Failure to respect them may lead to:
•
danger for the safety of the operators;
•
loss of contractual guarantee;
•
waiver of the manufacturer’s liabilities.
PICTOGRAMS CONCERNING OPERATOR QUALIFICATIONS
Symbol
Description
Unskilled worker:
operator without specific skills that can only carry out simple tasks
following the instructions of qualified technicians.
Driver of lifting and handling means:
operator qualified to use machines and material
handling and lifting equipment (strictly following the manufacturer’s instructions), according to
the laws in force in the country of use of the machine.
Mechanical service man:
a qualified technician that can manage the machine in normal
conditions, operate in jog mode with the protection devices disabled and work on its
mechanical parts to make the necessary adjustments, repairs and maintenance.
Usually he
is not qualified to work on live electrical systems.
Electrical service man:
a qualified technician that can use the machine in normal conditions,
operate in jog mode with the protection devices disabled and work on electrical parts to make
the necessary adjustments, repairs and maintenance.
He can work on live cabinets and
junction boxes.
Manufacturer’s technician:
qualified technician provided by the manufacturer to carry out
complex operations in particular situations, or in any case as agreed with the user. According
to the situation the technician will have mechanical and/or electrical and/or electronic and/or
software skills.
Tab l e 0 - 4. 1
MW 1900 WELDING FUME EXTRACTOR
MW 1900 WELDING FUME EXTRACTOR
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