3M 8511 Oxygen Equipment User Manual


 
3
Time Use Limitations
If respirator becomes damaged, soiled, or breathing becomes difficult, leave the contaminated area
immediately and replace the respirator.
Fitting Instructions
Must be followed each time respirator is worn.
Fig.1 Fig. 2
Fig. 3 Fig. 4
1. Cup the respirator in your hand, with the nosepiece at your fingertips, allowing the headbands to hang
freely below your hand.
2. Position the respirator under your chin with the nosepiece up. Pull the top strap over your head
resting it high at the top back of your head. Pull the bottom strap over your head and position it
around the neck below the ears.
3. Place your fingertips from both hands at the top of the metal nosepiece. Using two hands, mold the
nose area to the shape of your nose by pushing inward while moving your fingertips down both sides
of the nosepiece.
! Pinching the nosepiece using one hand may result in improper fit and less effective respirator
performance. Use two hands.
4. Perform a User Seal Check prior to each wearing. To check the respirator-to-face seal, place both
hands completely over the respirator and inhale sharply. Be careful not to disturb the position of the
respirator. A negative pressure should be felt inside the respirator. If air leaks around nose, readjust