3M 6500QL Serie Manual De Instrucciones página 6

2. If air leakage is detected around the faceseal, reposition respirator on your face and/or readjust tension of the elastic straps to eliminate leakage.
Repeat the user seal check until a proper seal is obtained.
Care must be taken when performing the positive pressure seal check not to exhale too hard. The goal is to check the seal, not disturb the seal
between the facepiece and the face.
If you cannot achieve a proper seal, DO NOT enter contaminated area. See your supervisor.
Negative Pressure User Seal Check with 3M™ Cartridges, 6000 Series
1. Place palms of hands to cover face of cartridge or open area of 3M™ Filter Retainer 501 and inhale gently (Fig. 15). If you feel the facepiece
collapse slightly and pull closer to your face with no leaks between the face and facepiece, a proper seal has been obtained.
2. If faceseal air leakage is detected, reposition the respirator on your face and/or readjust the tension of the straps to eliminate leakage and
recheck seal.
Be careful not to disturb the respirator seal by pressing too forcefully during negative pressure seal checks.
NOTE: Use of 3M™ Filter Retainer 501 may aid respirator wearer in conducting a negative pressure user seal check.
Negative Pressure User Seal Check with 3M™ Filters, 2000 series
1. Place your thumbs onto the center portion of the filters, restricting airflow into the breathing tube of filters, and inhale gently (Fig. 16). 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. If faceseal air leakage is detected, reposition respirator on face and/or readjust tension of straps to eliminate the leakage. Repeat the user seal
check until a proper seal is obtained.
Be careful not to disturb the respirator seal by pressing too forcefully during negative pressure seal checks.
Negative Pressure User Seal Check with 3M™ Filters 7093/7093C
1. Using hands squeeze or press filter covers toward facepiece and inhale gently (Fig. 17). If you feel the facepiece collapse slightly and pull closer to
your face with no leaks between the face and facepiece a proper seal has been obtained.
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.
Be careful not to disturb the respirator seal by pressing too forcefully during negative pressure seal checks.
IMPORTANT: If you cannot achieve a proper seal, DO NOT enter the contaminated area. See your supervisor. Before assigning any respirator
to be worn in a contaminated area, a qualitative or quantitative fit test MUST be performed per OSHA 29 CFR 1910.134, CSA Standard Z94.4
or the Brazil Respiratory Protection Program of the Ministry of Labor.
USING QUICK LATCH DROP-DOWN SUSPENSION
IMPORTANT: 6500QL Quick Latch Half Facepiece should only be moved to drop-down position in non-contaminated environments.
The quick latch enables wearers to don and doff the respirator quickly without moving the head harness from its position on the crown of
the head.
Fig. 14 Fig. 15
Fig. 16 Fig. 17
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