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TAL 201 (L) Rev. 1 - 818366
13
Canister
Excessive breathing
w/P100 Filter:
resistance upon
inhalation.
Canister with
Excessive breathing
N95 Filter:
resistance upon
inhalation.
Time use limitation
is reached.
Canister with
Breakthrough as
any Filter:
indicated by odor,
taste, or eye, nose,
or throat irritation.
P100 Filter
Excessive Breathing
Cartridge
resistance upon
inhalation
The wearer should return immediately
to fresh air if these conditions develop.
Remove the exhausted filter or canis-
ter and examine the gasket in the cou-
pling nut making sure it is properly in
place before attaching a suitable new
canister.
Protection voided if sealing gaskets
are not in their proper place. Failure
to follow this precaution can result
in serious personal injury or death.
The bottom seal on the canister
should be replaced after each use.
Repositioning the Lens Housing
Assembly
The standard position of the assembly
in the facepiece is with the hinge at
the bottom. The lens housing may be
reversed so that the door opens with
the hinge at the top. To reposition the
assembly:
1. Remove the lens housing assem-
bly from the hood.
2. Loosen the two lens retaining ring
screws on the facepiece.
3. Remove the lens retaining rings
and the lens housing assembly
from the facepiece.
4. Reverse the lens housing assembly
so that the door hinge is at the top.
5. Re-install the lens retaining rings
and screws.
6. Perform the Air-Tightness Test,
page 8.
ACCESSORIES
Nosecup
The nosecup is used with the Ultravue
(full) facepiece to reduce lens fogging
caused by high humidity or tempera-
tures below 32°F. Nosecups are avail-
able in small (P/N 471710), medium
(P/N 471711), or large (P/N 471712).
To install the nosecup:
1. Place the nosecup in the face-
piece and position it so its rubber
ring faces toward the plastic
retainer ring.
2. Starting at the top, stretch and
push the rubber ring of the nose-
cup under the plastic retainer ring
of the speaking diaphragm
assembly.
3. Continue stretching the nosecup
ring and work it into place.
Spectacle Kit (P/N 454819)
The spectacle kit is designed to be
used by people who wear glasses.
The temple bars of conventional
glasses stick through the sealing edge
of a full facepiece and prevent a prop-
er seal. The kit includes the support
assembly, a rubber block, and the
spectacle frame. Prescription lenses
can be obtained locally or through
MSA. To install the kit:
1. Hold the support assembly so that
the “coated” arms are up and the
rubber block is toward the face-
piece lens.
2. Squeeze the arms together and
insert the assembly into the face-
piece.
Accessories
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