1. Assembly
2020-10-05
OI01T-300221 SR 905
4
1.1
Detach the filter
attachment from half mask
respirator body SR 900 by
turning the filter attachment ¼
of a turn.
1.2
Remove the inhalation
valve flap from the filter
attachment.
Save the valve flap for future
use.
1.3
Insert one part of the large
lip of the protective element into
the filter attachment flange. The
arrows on the label point to
–
“this side toward face”. Check
that the entire lip of the
respirator filter attachment is
touching the protective
elements. Tug on the protective
element to verify that it is
properly seated.
1.4
Fit the pre-filter in the pre-
filter holder and press it into
place on the filter.
