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Step 4: Filter connection to facepiece
1. Align notch on edge of 603
adapter with facepiece
mark in order to properly
align filters.
Step 5: Donning respirator & adjusting fit
1. Place the respirator over
your mouth and nose
and nose and pull head
harness over the crown
of head.
Adjust the straps so the respirator is comfortable and snug, but do not overtighten.
Note: Decrease strap tension by pushing out on back side of buckles.
Note: Use of the EVF does not change donning steps.
Step 6: Positive Pressure User Seal Check
Place the palm of your hand over the exhalation valve cover (if using the EVF place
the palm of your hand over the EVF opening) and exhale gently. If facepiece bulges
slightly and no air leaks are detected between your face and the facepiece, a proper
seal has been obtained. If faceseal air leakage is detected, reposition respirator on
your face and/or readjust tension of the elastic straps to eliminate leakage. If you
cannot achieve a proper seal, DO NOT enter contaminated area.
If you have questions, consult your supervisor or call 3M Technical Service at 1-888-870-7416
(USA) or 1-800-267-4414 (Canada).
Notice: These respirators do not have the properties required of a surgical respirator, and so would not be appropriate for use in a surgical setting.
Medical Solutions Division
3M Health Care
2510 Conway Ave.
St. Paul, MN 55144 USA
2. Rotate filter assembly
¼ turn clockwise until it is
firmly seated. Repeat steps
1-2 for second filter.
2. Connect the bottom
straps at the back of the
neck.
Phone: 1-800-228-3957
Web: 3M.com/Medical
Facepiece with properly attached
filters shown.
Note: Rotate filters counterclock-
wise to remove.
3. Adjust top straps by pull-
ing on ends of straps.
©Copyright 2021 3M. All rights reserved. 3M and the
other marks shown are marks and/or registered marks
of 3M. Unauthorized use prohibited.
GL_70-2011-7962-2
4. Adjust bottom straps by
pulling on ends of straps.