Fitting Instructions - 3M 8511 User Instructions

Must be followed each time respirator is worn.
1. Cup the respirator in your hand, with the nosepiece at your
fingertips, allowing the headbands to hang freely below your
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
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 (Fig. 3).
Pinching the nosepiece using one hand may result in
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 the
nosepiece as described in step 3. If air leaks at the respirator
edges, work the straps back along the sides of your head.
If you CANNOT achieve a proper seal, DO NOT enter the