8
1. BACKPACK HARNESS AND FRAME
The backpack consists of a lightweight aluminum backplate with an aluminum
hip plate
that both hing-
es and swivels on the backplate. The backplate has four
integrated carrying handles with carabineer at-
tachment points. Each attachment
point is rated to 1,000 pounds. The air cylinder is retained by a stain-
less steel
band that provides positive retention and requires two independent actions to
open. The stain-
less steel band has adjustment points that allow for the use of
30-minute, 45-minute or 60-minute air cyl-
inders. A reflective strip will be
adhered the center section of the stainless steel band. A color coded
system
will allow for general identification of each SCBA assigned.
Black Front line Apparatus
Red Reserve Apparatus
Orange Battalion Spare
Blue Training
Green SCBA Repair Shop
Designed for a secure, stable fit, with weight concentrated at the hips, the straps
are made Kevlar and
incorporate a metal automotive-style waist buckle. The waist straps adjust from both sides by pulling on
the gray tabs keeping the SCBA
centered during donning. There are two regulator receiver clips. One
clip is located on the lower left shoulder strap and the other is located on the left side waist
strap for
storage of the second stage regulator. The regulator belt clip is designed to keep the second stage regu-
lator clean and secure until it is attached
to the facepiece. The shoulder straps adjust by pulling on the
yellow tabs and
maintain their adjusted position using an alligator type clip.
The intermediate pressure hose is routed over the left shoulder and incorporates
the electrical/
pneumatic connector. This connection can only be completed one way. The completed connec-
tion sends air and power to the second stage regulator and
the electronics required for the Heads-Up
Display. The quick connect fittings employ a push/pull release to prevent accidental disconnection. The
male connection has to be pushed into the female fitting and the sleeve on the female
fitting pulled
back to allow separation.
Located at the base of the backpack is the battery compartment that
houses four C size batteries. All
electronics are supplied by these batteries
except the Voice Amplifier.
The back PASS has an amber LED
battery status indicator. In storage or when the SCBA is activated manually or by pressure from the cylin-
der, the amber LED flashes every ten seconds to indicate a low battery condition, and will cease flashing
altogether to indicate a dead battery. An audible beep will also sound every ten seconds to indicate a low
battery condition.
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