Cloos Arc Flash 4 evo Manuel d'utilisation - Page 9
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4. Function and use
Welding helmets afford reliable protection for the eyes whilst electric
arc welding. They offer permanent protection against UV/IR rays, heat &
sparks in any state from the clear to dark. The protection shades of the
welding helmets have been chosen to avoid eye damage caused by the
welding arc.
Welding helmets allow the welder to see the point of arc strike more pre-
cisely. This leads to a real time saving. The helmet does not have to be flip-
ped up and down during welding, both hands are kept free and because of
the helmets lightweight fatigue is reduced.
The helmet is available in 2 options. The helmet can be supplied with or
without UVIR shade 5 side windows – the side windows giving the user a
degree of side vision whilst still giving protection from the welding rays.
4.1 Operation
Before using the helmet for the first time the protective films must be
removed from the front spatter lens. The films cannot be removed from
the front spatter lens with the lens in place. Please follow the instructions
below to remove the spatter lens, see chapter „5.1 Replacing the outer
spatter lens" on page 13
4.1.1 Adjustment of headgear
Welding helmets are equipped with a comfortable headgear that can be
adjusted in three different ways.
Push and Move
„Head height"
Rake
Adjustment
Push and turn
„Head size"
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