YATO YT-73934 Manual página 10

EN
The content of the manual as per EN 175:1997; EN 379:2003 + A1:2009 / PPE Regulations 2016/425/EU
Manufacturer: Ningbo Jialang Intelligent Technology Co., Ltd., No. 12-A Maosheng Road, Yuyao, Ningbo, 315400 Zhejiang,
China
Importer: TOYA SA, ul. Sołtysowicka 13/15, 51-168 Wrocław, Poland
Product description: The welding helmet with an automatic welding protection fi lter with manual adjustment is a Category II
eye and face protection equipment designed for individual protection of eyes and face against mechanical and light hazards. The
helmet has increased mechanical resistance. It does not protect against liquid drops and splashes, coarse and fi ne dust particles,
gas and arcs caused by electrical short-circuits. The helmet shell is made of PA6 polyamide and fi tted with a headband allowing
the helmet to be worn on the head made of PE and helmet lining made of PE foam. The welding protection fi lter protects the eyes
against radiation generated by electric arc during welding and has a shade level adjustment in the range of 5-13. The fi lter is
protected by a polycarbonate glass panel. Persons allergic to these materials may develop an allergic reaction.
Shelf life: The product does not have a specifi c lifetime. Pay attention to wear and damage of the helmet components. Replace
in accordance with the instructions in the manual.
Notifi ed body: DIN CERTCO Gesellschaft für Konformitätsbewertung mbH (0196), Alboinstraße 56, 12103 Berlin, Germany
Explanation of symbols: JA, YATO– manufacturer and importer identifi cation; YT-73934 - importer catalogue number; EN 379
- European standard number for automatic welding protection fi lters, EN 175 - European standard number for eye and face pro-
tection equipment used for welding; 4/5-9/9-13 JA 1/1/1/1 379 - marking of the welding protection fi lter with manual adjustment
of the protection level: 4 - the number of the light state; 5 - the number of the lightest dark state.; 13 - the number of the darkest
state; 1 - optical class; 1 - light dispersion class; 1 - light transmission factor deviation class; 1 - light transmission factor angle
correlation class; S106N - protection fi lter model; KIKO - face shield model; JA 1 F - marking of front/rear protective glass panel;
1 - optical class; F - protection against high-velocity, low-energy particles; JA EN 175 B - helmet marking: B - protection against
high-velocity, medium-energy particles; CE - mark of conformity to the EC New Approach Directives, book with 'i' - sign indicating
that supplementary information should be read. EAC - a mark certifying that a product complies with the Technical Regulations of
the Eurasian Customs Union.
Operating Instructions
Before fi rst use, remove the protective fi lm from the protective glass panel. Leaving the fi lm on reduces the transparency and
aff ects the operation of the welding protection fi lter. To remove the protective fi lm it may be necessary to disassembly the fi lter
and/or the protective glass panels described further in the manual. Replace worn and damaged components with original parts
only. Do not modify the helmet yourself. It is forbidden to use the helmet if any component shows signs of damage, is worn out
or needs to be replaced.
Adjustment of the helmet support system
Put the helmet on your head, adjust the position of the upper headband strap, if necessary, to make sure the helmet is at the right
height. By turning the knob on the occipital strap, adjust the length of the strap so that it does not press the head while working
and at the same time the helmet does not move during head movements. Use the side knobs to adjust the force needed to lower
and lift the helmet. By loosening the knobs it is possible to adjust the distance from the helmet to the face. The regulation consists
in loosening both knobs, then moving the helmet backwards or forwards and tightening the knobs. Make sure that both knobs
are set in the same position. Above the knobs, on the right side of the strap there are pins for adjusting the angle of the forehead
shield at maximum lowering and lifting. To adjust, move the cam that is between the strap and the helmet so that the opening in
the cam is placed on the blocking pins (II).
The operation of the automatic welding fi lter
Before starting work, ensure that the fi lter is set to the correct mode for the type of work to be carried out. It is forbidden to work
with a non-functioning welding protection fi lter, as it can lead to irrecoverable damage to the eyesight.
Set the operating mode switch to one of the positions. „GRIND" - deactivates the auto-darkening function and the fi lter remains
bright regardless of external conditions. "5- 9" - allows you to set the welding fi lter's dark state between 5 and 9. "9- 13" - allows
you to set the welding fi lter's dark state between 9 and 13. Selection of the fi lter's darkening level in dark state is made by using
the "SHADE" knob. Thanks to the sensors, the fi lter is automatically darkened to the set level when bright light from the welding
process is detected. When choosing the dark state you can refer to the table in the manual showing the recommended protection
levels for arc welding. The fi lter has two additional adjustment knobs. The "DELAY" knob allows you to change the fi lter delay
time, which is the time it takes for the fi lter to respond to the change in light intensity. The adjustment is smooth, with the "MIN"
position - meaning the least delay in darkening of the fi lter and the "MAX" position - meaning the greatest delay in fi lter darken-
ing. The adjustment of the knob between these settings allows you to select the fi lter response time between the maximum and
minimum value.
The "SENSITIVITY" knob allows you to adjust the sensitivity, i.e. the threshold for fi lter operation. The adjustment is smooth, with
the 'Lo' position indicating the lowest sensitivity; the fi lter will only react to a greater change in the intensity of light shining on the
sensors. The "Hi" position indicates the highest sensitivity: the fi lter will react to a smaller change in the intensity of the light shining
on the sensors. For most welding work, it is recommended to set the knob in the middle of the range.
The "LOW BATTERY" control light allows you to check the state of battery that is powering the welding fi lter. If you press the
"TEST" button and it causes the control light to light up, replace the batteries as soon as possible. The welding fi lter requires
O R I G I N A L I N S T R U C T I O N S
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