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2. Remove the two (2) screws in the
first stage regulator bracket and
remove the PR14 First Stage
Regulator. Do not remove the
regulator bracket from the
backplate. Discard the screws.
3. Remove the lower u-clip and pressure relief valve from the first
stage regulator. Discard the pressure relief valve.
4. Insert the hose into the port that
previously contained the relief
valve in the first stage regulator
and reinstall the u-clip.
5. Install the PR14 First Stage Regulator into the bracket. Install two
(2) new screws and tighten to 35-45 in. lbs.
6. Feed the left pull strap from
lumbar pad, rescue belt, or waist
belt through the top webbing
loop located on the back of the
pouch.
7. Fully extend the shoulder and
pull-strap. Make sure the straps
are untwisted.
MSA 416 (L) Rev. 0 - 10158013
EXTENDAIRE II INSTALLATION
4
8. Twist the pull-strap clockwise
one-half turn. (left pull strap)
9. With the fold down, pass the
pull-strap from back to front
through the friction buckle.
10. Pass the strap over the bar and
back through the buckle.
11. Remove the left waist belt pull-
strap from the friction buckle.
Feed the buckle through the
lower loop in the pouch and re-
attach the pull-strap.
NOTE: For rescue belts, pouch must
be attached to the quick-release strap
on the backside for the FireHawk
Rescue Belt II (or to the auxiliary strap
for the Rescue Belt I)
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