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Fitting Instructions for 3MTM Elastomeric Full Face 4 Strap Respirator
Issue Date 01/01/04
Wearing your elastomeric full face, 4 strap respirator
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Fully loosen all four head straps. Pull hair back with one hand. Bring facepiece up to face with other hand.
While holding the facepiece in place, pull the straps over your head.
Tighten the two bottom straps.
Check the seal of your elastomeric full face, 4 strap respirator each time you don the respirator.
1. Positive Pressure User Seal Check
Place the palm of your hand over the exhalation valve cover and exhale gently. The facepiece should bulge slightly. If air leaks between the face and the faceseal of the respirator, reposition it and adjust the straps for a tighter seal. If you cannot achieve a proper seal, do not enter the contaminated area. See your supervisor.
2. Negative Pressure User Seal Check
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Tighten the two top straps.
Using Particulate Filters
Place your thumbs over the center of the particulate filters and inhale gently. The facepiece should collapse slightly. If air leaks between the face and the faceseal of the respirator, reposition it and adjust the straps for a tighter seal. If you cannot achieve a proper seal, do not enter the contaminated area. See your supervisor.
Using Cartridges
Place the palms of your hands over the cartridges and inhale gently. The facepiece should collapse slightly. If air leaks between the face and the faceseal of the respirator, reposition it and adjust the straps for a tighter seal. If you cannot achieve a proper seal, do not enter the contaminated area. See your supervisor.