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4. Remove the center tri-bar(s)
from the lumbar pad or rescue
belt, if present.
5. Remove and discard the protective cap from the end of the hose.
NOTE: The blue o-ring on the ExtendAire II emergency breathing
hose comes from the factory with lubricant applied. Use care to keep
the o-ring free from dirt and debris once the protective cap is
removed.
6. Feed the hose through the loop in the hose restraint strap.
For air masks with a swiveling
lumbar pad or FireHawk Rescue
Belt II: The orientation of the hose
restraint strap must match the
example in the picture. Notice that
the folds are facing down.
For air masks with a standard waist
belt:The orientation of the hose
restraint strap must match the
example in the picture. Notice that
the folds are facing up.
7. Feed the hose restraint strap under the high pressure hose and
power cable, then attach the hose restraint to the backplate as
described below.
For air masks with swiveling lumbar
pad or FireHawk Rescue Belt II:
Insert the right fold-over side of the
hose restraint strap into the right
center slot in the backplate.
EXTENDAIRE II INSTALLATION
3
For air masks with a standard waist
belt or with a Rescue Belt I: Insert
the right fold-over the side of the
hose restraint strap into the left
center tri-bar slot in the backplate
and then back up through the right
center tri-bar slot.
For air masks with a swiveling
lumbar pads or Rescue Belt II: Install
the center lumbar pad tri-bars by
angling them into the center slots in
the backplate.
DO NOT use a screwdriver or pliers to install the lumbar pad tri-bars
into the backplate.
Hose restraint installed with a
swiveling lumbar pad.
8. Insert the left swiveling lumbar
pad tri-bar, left rescue belt tri-bar,
or left waist belt tri-bar by
angling it into the original slot on
the backplate (shared with the
pouch attachment).
Connecting the ExtendAire II Intermediate Pressure Accessory Hose
Assembly to the PR14 First Stage Regulator
1. Position the air mask with the cylinder band facing up.
CAUTION
MSA 416 (L) Rev. 0 - 10158013
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