MSA OptimAir 6A, Instructions Manual

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TYVEK/SARANEX/TYCHEM QC HOODS
ASSEMBLING THE TYVEK/SARANEX/TYCHEM QC
HOODS PAPR
1. Remove the suspension by pulling the Velcro strips
apart, then pull the suspension out of the hood.
2. Check the end of the
hood coupling nut for
an o-ring.
The o-ring must be present to obtain an air-tight seal.
Failure to follow this warning can cause inhalation of
the contaminant resulting in serious respiratory injury
or death.
3. Thread the breathing tube onto the hood. Hand-tight-
en the coupling nut.
ADJUSTING THE HOOD SUSPENSION
1. Loosen the Velcro strip
at the back of the sus-
pension by pulling the
strip away from the
plastic band.
2. Position the suspension so that the stitching on the
sweatband is down.
3. Place the sweatband against your forehead and wrap
the plastic band around your head for a snug but
comfortable fit.
4. Press the Velcro strips
together to secure the
suspension.
INSTALLING THE HOOD SUSPENSION
Note: If the optional chin strap will be used, install it at
this time. The chin strap must be attached to the hood
suspension before the suspension is installed in the hood.
1. To install the chin
strap, insert one end of
the strap in the slot
located at the side of
the suspension. Then
insert the remaining
end of the strap in the
slot on the other side.
2. Insert the suspension into the hood.
3. Turn the suspension so that the sweatband faces the
hood lens.
4. Attach the three Velcro
strips on the suspen-
sion to the three strips
inside the hood.
INSTALLING AN OPTIONAL PROTECTIVE CAP
Note: If a protective cap is to be worn, it must be from
MSA. Only the cap from MSA is equipped with proper
adapters to secure the hood to the cap.
1. Adjust the cap suspension to the head size desired.
Follow the instructions supplied with the cap.
2. Insert the cap into the hood.
3. Turn the cap so that the bill is pointed toward the
hood lens.
4. Attach the Velcro strips
in all three places.
13 TAL 804 (L) Rev. 17 - 490883
CAUTION