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4. instruCtions
warning! Before using the helmet for welding make sure you have read and understood the safety instructions in Section 1.
R
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.2
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.
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.3
4.3.1.
Refer to the shade guide in Section 7 and select the desired range with the slider, and then adjust the knob on the side of the
helmet to the correct setting.
4.4.
Grind postion See fig.3
4.4.1.
When grinding is finished it must be moved back to the appropriate shade position before welding again. failure to do this could
damage your eyes.
4.5.
Selecting delay/response time See fig.3
4.5.1.
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 outside of the helmet.
4.6.
Sensitivity See fig.3
4.6.1.
for normal light conditions set the sensitivity knob to the high settings.
4.6.2.
for conditions when there is an excess of light, which may affect the performance of the lens, turn the knob to the low settings.
fig.2
© Jack sealey limited
fig.1
Original Language Version
fig.3
PWH620.V2 | Issue: 2(H,F) 13/03/18
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