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Cod.953588
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_________________________(GB)_________________________
WELDING MASK MANUAL
TELWIN S.p.A.
Via della Tecnica, 3 - 36030 VILLAVERLA (Vicenza) Italy
Informative note on welding mask Model 802626.
Note: the term mask is used in the text that follows.
The mask Model 802626 is in compliance with the requirements of
the EN 175 European Standard (Personal protection. Equipment for
eye and face protection during welding and allied processes) and with
what is prescribed by the 89/686/EEC reference Directive.
ATTENTION!
Mask users must read, learn and respect the basic rules given in this
manual.
The radiation emitted by the electric arc during welding can damage
the eyes and burn the skin. In addition, welding produces sparks and
drops of molten metal that fly in all directions.
The protective mask must be worn to avoid potentially serious physical
damages.
Do not, for any reason, set fire to the welding mask because the
smoke it produces will damage the eyes and body if inhaled.
The material used to make the whole mask does not endanger people
or the environment.
Regularly check the conditions of the mask:
- Before using it, make sure that the filter-glass is in the correct
position and correctly fixed in place: it must be exactly in the space
described.
- Keep the mask away from flames.
- The mask must not be placed too close to the welding area.
- When welding for extended periods, occasionally check the mask to
make sure there are no signs of deformation or deterioration.
- Subjects with particularly sensitive skin must take extra care:
materials that may come into contact with the skin can cause
allergic reactions.
INSTRUCTIONS FOR USE AND MAINTENANCE
The mask must always be used to protect only the face and eyes
during welding. It was, in fact, designed to guarantee maximum
protection during welding, to be easy to assemble, comfortable to
wear and of top quality when used.
After using the mask and before putting it away after working, it must
be checked to verify integrity and to eliminate any drops of molten
metal that may be present on the vision filter, which can reduce
visibility.
The mask must be stored in a way that does not allow its dimensions
to deform permanently or its protective vision filter to break.
CLEANING AND DISINFECTION
Clean and disinfect the mask using only water and soap, or if necessary
products that do not contain solvents. Using chemical solvents ruins
the mask, and can totally reduce its integrity.
Taking good care of the mask reduces its obsolescence to a minimum,
both as regards use and components.
FILTER SPECIFICATIONS
The mask is supplied with a filter-glass marked
having a dark
shade of 10.
The filter is in compliance with the EN 166:2001 “Personal eye
protection - Specifications” and the EN 169:2002 “Personal
eye-protection. Filters for welding and related techniques.
Transmittance requirements and recommended use” Standards.
To use it correctly
, operators who purchase this mask must:
- Make sure that the filter surfaces do not show signs of scoring, cuts,
knocks or any other thing that could obstacle correct vision.
To preserve it correctly
, the filter should be kept in an environment
that does not contain organic vapours and at a temperature of
b 5 ° and + 30°.
To carry out maintenance correctly
, the user must:
- Regularly clean the filter after it is used, rinsing it immediately with
the cleaning liquid.
As regards cleaning
, the user must follow these instructions:
- never clean the mask in direct sunlight;
- use absorbent cloths or soft non-scratch textiles to dry the filter;
- use warm water and neutral soap or, alternatively, any conventional
filter cleaner as a cleaning liquid;
- never use abrasive or very alkaline cleaners;
- ATTENTION: NEVER USE ORGANIC SOLVENTS OR LIQUIDS
SUCH AS PETROL OR ALCOHOL!
Using a higher dark shade does not guarantee greater protection, but
could force the operator to remain too close to the radiation source
and breathe in harmful smoke.
If using the filter causes a feeling of discomfort, the working conditions
and the operator’s eyesight must be checked.
When working in the open air under strong natural light, it is possible
to use a protection filter with the next-up dark shade number.
The filter, which is made of hardened adiactinic glass, can break
if allowed to fall from heights of less than one meter and following
accidental knocks against corners or edges, which can happen if users
rotate their heads suddenly. The filter can be used in combination with
suitable coverings and inner and outer protection shields of the same
dimensions. We recommend using inner and outer protection shields
made of plastic, anti-knock material, preferably polycarbonate.
When replacing the filter, the coverings and the inner and outer
protection shields refer to the instructions supplied by the manufacturer
of the welding face guard or the associated hand welding screens.
The operator who carries out replacement operations must have clean
hands or wear non-abrasive gloves.
To avoid damages during transport or storage, we recommend
keeping the filter in its original packaging.
If the previously indicated cleaning instructions are scrupulously
followed, the filter will not deteriorate excessively under normal
use conditions.
REPLACE THE FILTER IF EVIDENT SIGNS OF
DAMAGE SUCH AS CUTS OR WELDING MATERIAL DEPOSITS
APPEAR PERMANENTLY ON ITS SURFACE. THE FILTER,
ANY COVERINGS AND THE INNER AND OUTER PROTECTION
SHIELDS MUST ALSO BE REPLACED AFTER EACH SERIOUS
IMPACT.
The filter is characterised by a marking with the following meaning:
FILTER MARKINGS
Dark shade number:
10
Identification of
Xuchang Tianhe Welding Products Co., Ltd:
XTW
Optical class:
1
Marking:
Optic class 3 filters and shields are not suitable for prolonged use.
The material that comes into contact with the skin can cause allergy
reactions in people with particularly sensitive skin.
The Certification procedure indicated in Article 10 of the 89/686/
EEC Directive was carried out by DIN CERTCO, an Institution with
European Commission authorisation (identification code 0196).
Table 1
gives the dark shade levels that are recommended for
common electric arc welding procedures at different welding current
intensity levels.
ASSEMBLING THE MASK AND THE FILTER
Assemble as shown in the figure
(Fig. A)
.
Attention
, do not tighten too much, otherwise the threads will ruin,
and the mask characteristics and the filter glass seal will not be
suitably fixed.
The operator who carries out replacement operations must have clean
hands or wear non-abrasive gloves.
INFORMATION ON THE MARKING
The marking on the mask, which can be found inside at the top, is
made up of a series of symbols with the following meaning:
WXT
Symbol of the manufacturing company:
Wuhan Xiangguang
Technology Co., Ltd.
EN 175
Number of the standard to which reference was made when
certification was requested.
Marking
The Certification procedure indicated in Article 10 of the 89/686/
EEC Directive was carried out by ECS GmbH European Certification
Service, an Institution with European Commission authorisation
(identification code 1883).
Содержание 802626
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