4. Fit check
2020-03-06
OI01H-2018 SR 100 9
4.1 Place the pre-filter holder
to the filter.
4.2 Put the mask on.
4.3 Place the palm of your
hand lightly over the hole on
the pre-filter holder to make it
tight.
NOTE!
Do not push so hard that the
respirator´s shape is affected.
Take a deep breath and hold
your breath for about 10 s.
If the mask is tight, it will be
pressed against your face. 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.
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