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2. Release the flexible latch (2.).
3. Lift the supporting frame with welding filter, remove the outer protective screen and
replace it with a new one (3.).
4. Lower the supporting frame with welding filter (4.a). Make sure that the two pins on
the top of supporting frame are firmly placed into the two openings on the top of the
filter opening on the helmet body (4.b).
5. Fasten the flexible latch (5.).
D.1
Figure
During assembly of the helmet and welding filter, or during the replacement of
the protection screens, make sure that all parts are firmly in place thus prevent-
ing any light from entering the helmet. Should there still be any light entering,
repeat the procedure until the problem is eliminated, otherwise the helmet must
not be used for welding. Before placing the new protection screens, always re-
move the protection layers from both sides.
AUTODARKENING WELDING PROTECTION FILTER
OPERATION
JACKSON SAFETY
a liquid crystal light shutter that protects the welder's eyes against intense visible light
emitted during the welding process. In combination with the permanent passive IR/UV
filter, it protects against hazardous infrared (IR) and ultraviolet (UV) light. The protection
against harmful radiation is present regardless of the shade level or potential malfunction
of the filter, beyond the darkest shade number marked on each specific model.
JACKSON SAFETY
ing to EN 379 requirements and are CE certified. They are not intended to be used as a
protection against impacts, flying particles, molten metals, corrosive liquids or hazardous
gases. Replace potentional malfunctioned (check that the autodarkening filter turns dark
if you strike the welding arc) or physically damaged autodarkening welding filter.
Protection screens, both internal and external (polycarbonate or CR39), must be
used in conjunction with the autodarkening filter in order to protect it against
permanent damage.
USAGE
An autodarkening welding protection filter built into a welding helmet is considered to be
»Personal Protection Equipment« (PPE) protecting the eyes, face, ears and neck against
direct and indirect hazardous light of the welding arc. In case that you have only bought a
filter without the helmet, you need to select the appropriate helmet designed to be used
in combination with an autodarkening welding protection filter. It has to allow the filter,
including the internal and external protection screens, to be adequately mounted into the
helmet. There should be no increased point tensions caused by the fixing frame or mount-
ing system, as they could cause severe damage to the filter. Make sure that solar cells and
photo-sensors are not covered by any part of the helmet, as this could prevent the proper
operation of the filter. If any of these conditions occur, the filter may not be suitable for use.
FIELD OF APPLICATION
WF20 ASPIRE
filter is suitable for most types of electro-welding: e.g. covered elec-
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trodes and MIG/MAG. It may be used for some TIG applications above 50 amps.
WF20 ASPIRE
filter is not suitable for laser welding.
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FUNCTIONS
Shade adjustment: WF20 ASPIRE
the degree of required protection for specific welding process and select the recommended
shade with the shade adjustment knob. You can select the shade from shade 9 to shade13.
Adjustment of sensitivity: Most welding applications can be performed with welding light
sensitivity set to maximum. The maximum sensitivity level is appropriate for low welding
current work, TIG, or special applications. The welding light sensitivity has to be reduced
only in some specific surrounding lighting conditions in order to avoid unwanted trigger-
autodarkening welding protection filters operate on the basis of
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autodarkening welding protection filters are manufactured accord-
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electro-optical filter is supplied ready for use. Check
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