4. Negative fit check
2020-06-04
OI01H-2021 SR 100 9
4.1 Install a protective
element.
Snap the pre-filter holder onto
the protective element.
4.2 Donning the respirator.
4.3 Place the palm of your
hand lightly over the hole on
the pre-filter holder to make it
tight.
Inhale gently, the respirator should pull inward on the face. Hold
your breath, the respirator should remain collapsed on the face.
Remove the palm of your hand from the pre-filter holder. Breathe
normally.
If any leakage is detected, check the inhalation and exhalation
valves, adjust the straps of head harness or switch to alternative
size of the respirator. Repeat the fit check until there is no
leakage.
NOTE!
Do not push so hard that the respirator´s shape is affected.
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