3M 600 Series

Fitting Instructions
Fitting instructions must be followed each time the respirator is
worn.
1. Place the respirator
over the mouth and
nose, then pull the
h
arness over the
crown of the head.
2. Take the bottom
straps in both hands,
place them at the
b
ack of the neck and
hook them together.
3. Tighten the top
straps first by pulling
on ends
to achieve a
comfortable and
secure fit.
4. Tighten bottom
straps using either
front or rear
adjustments.
(Strap tension
may be decreased by
pushing out on back
side of buckles).
5. Perform a positive
and/or negative
pressure fit check
(see overleaf).