15
2.
Pull the ends of the six straps to adjust tightness, starting with the neck straps first followed by the
temple straps and finally forehead straps. Do not overtighten the headstraps. (Fig. 14)
3.
Perform a positive and/or negative pressure user seal check each time the respirator is donned.
User Seal Checks
Always check the seal of the respirator on your face before entering a contaminated area.
Positive Pressure User Seal Check
1.
Place the palm of the hand over the exhalation valve cover and exhale gently. (Fig. 15)
2.
If the facepiece bulges slightly and no air leaks are detected between the face and facepiece, a proper
fitting has been obtained.
3.
If air leakage is detected, reposition the respirator on your face and/or readjust the tension of the straps
to eliminate leakage, and recheck seal.
If you cannot achieve a proper seal, DO NOT enter the contaminated area. See your supervisor.
Negative Pressure User Seal Checks
3M™ 6000 and 7000 Series Cartridges/Filters
1. Place palms of hands to cover face of cartridge or open area of filter retainers and inhale gently. If
you feel facepiece collapse slightly and pull closer to your face with no leaks between the face and
facepiece, a proper seal has been obtained. (Fig. 16)
2.
If faceseal air leakage is detected, reposition the respirator on your face and/or readjust the tension of
the straps to eliminate leaking, and recheck seal.
If you cannot achieve a proper seal, DO NOT enter the contaminated area. See your supervisor.
3M™ 2000 Series Filters
1.
Place your thumbs onto the center portion of the filters, restricting airflow through filters and inhale
gently. If you feel facepiece collapse slightly and pull closer to your face with no leaks between the face
and facepiece, a proper seal has been obtained. (Fig. 17)
2. If faceseal air leakage is detected, reposition the respirator on your face and/or readjust the tension of
the straps to eliminate the leakage, and recheck seal.
If you cannot achieve a proper seal, DO NOT enter the contaminated area. See your supervisor.
3M™ Filter 7093
1.
Using both hands press or squeeze filter covers toward facepiece and inhale gently. If you feel
facepiece collapse slightly and pull closer to your face with no leaks between the face and facepiece a
proper seal has been obtained.
2.
I f faceseal air leakage is detected, reposition the respirator on your face and/or readjust the tension of
the straps to eliminate the leakage.
If you cannot achieve a proper seal, DO NOT enter contaminated area. See your supervisor.
Note: Before assigning any respirator to be worn in a contaminated area, a qualitative or quantitative fit
test must be performed per the local requirements or OSHA Standard 1910.134.
3M™ GVP and Face-Mounted PAPR
User must follow User Instructions for PAPR units.
3M™ Dual Airline
User must follow User Instructions for Dual Airline Supplied Air Respirators.
