MSA PremAire Cadet Escape Operation And Instructions Manual page 9

4. Tighten the temple
straps in the same
manner. Ensure that
the facepiece tabs are
not tucked under the
facepiece seal.
5. Pull the harness toward
the neck and adjust
straps as necessary.
6. If present, tighten the
top strap for best visi-
bility and fit.
DONNING THE FACEPIECE WITH NET HEAD
HARNESS
1. Loosen all harness
straps fully. Grip the
bottom straps.
OPERATION
2. Insert chin into the
lower part of the face-
piece, then pull the
harness back over the
head.
3. Pull the back of har-
ness downward until
centered at the back of
the head.
4. Tighten the lower
straps first by pulling
them straight back, not
out. Tighten the face-
piece until the mask is
snug against the face.
5. Tighten the temple straps in the same manner. Ensure
that the facepiece tabs are not tucked under the face-
piece seal.
6. Make sure the back of the harness is centered on the
back of the head and faceseal is providing uniform
pressure on the face at all points. Adjust straps as
necessary.
FACEPIECE FIT CHECK
Check the inhalation valve by inhaling. If sufficient flow
of air is not received, do not use facepiece. The face-
piece must be repaired or replaced. Failure to follow
this warning can result in serious personal injury or
death.
9 TAL 903 (L) Rev. 1 - 10063148