GENERAL
2-22 / Mid-Mount Ascendant Aerial Tower
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2-1.15 Breathing Air System
(Optional)
Figure 2-21: Breathing Air System
POM0855, 1274
Item # Description and Function
82.
AIR BOTTLE.
High-pressure breathing air storage bottle.
83.
SHUT-OFF VALVE WITH RELIEF VALVE.
Controls air flow to regulator with safety relief.
84.
VALVE GUARD.
Protects valve.
Must be in place at all times.
85.
HIGH-PRESSURE HOSE ASSEMBLY.
Rated for maximum storage bottle air pressure.
86.
REGULATOR AND GAUGES.
Regulates supply line pressure to respirator disconnects. Normal setting is
80 - 100 psi.
87.
LOW-PRESSURE HOSE ASSEMBLY.
Supplies breathing air to respirator disconnects.
88.
PRESSURE TRANSDUCER.
Monitors pressure (volume) in air storage bottle.
89.
FILL ADAPTER.
Connection point to refill air storage bottle.