4. oPerAtion
WArning!
Before using the helmet for welding make sure you have read and understood the safety instructions in Section 1.
4.1.
ADjuSting tHe fit of tHe Helmet (See fig.1)
4.1.1.
The circumference of the headband is adjusted by turning the wheel on the rear.
4.1.2.
The two top straps can also be adjusted by releasing the pin from the top strap and adjusting as required.
4.1.3.
The distance between the headband assembly and the helmet can be adjusted by undoing the external thumbwheels both sides
and sliding the headband assembly forwards or backwards, as required. Retighten the thumbwheels. (See figs.1 and 2.)
4.1.4.
Test the fit of the helmet by lifting it up and closing it a few times whilst wearing it. If the headband moves whilst tilting, readjust it
until it is stable.
4.2.
ADjuSting tHe Helmet tilt (See fig.3)
4.2.1.
If the cartridge window is not aligned with the eyes when
the helmet is in the lowered position, adjust the tilt of the
helmet in relation to the headband.
4.2.2.
Referring to fig.2, loosen the external thumbwheels and lift the tab up to
move it to make the helmet tilt up further or to tilt down further. Then
retighten the external thumbwheels.
4.3.
Selecting tHe SHADe level (See fig.1.)
4.4.
Refer to the shade guide in Section 7 and adjust the knob on the side of the
helmet to the correct setting.
4.5.
grinD PoSition (See fig.1)
4.5.1.
Turn the shade knob anticlockwise until it clicks into the grind position.
▲
DAnger
! When grinding is finished it must be turned back to the appropriate
shade position before welding again. Failure to do this could damage your
eyes.
4.6.
Selecting DelAy/reSPonSe time (See fig.4)
4.6.1.
The delay time is the time in which it takes the lens to change from dark to light. This is carried out by adjusting the delay time knob
on the cartridge.
4.7.
SenSitivity (See fig.4)
4.8.
For normal light conditions set the sensitivity knob to the high setting.
4.8.1.
For conditions when there is an excess of light, which may affect the performance of the lens, turn the knob to the low setting.
Forwards/backwards
adjustments
Circumference
adjustments
External
thumbwheel
Shade/grinding
knob
Forwards/backwards
adjustment
Thumbwheel
Helmet Tilt
Adjustment
Sensitivity
Delay
fig.3
fig.1
fig.2
fig.4
P
WH1, PWH2, PWH3, PWH4 Issue 1 17/06/19
Original Language Version
© Jack Sealey limited
