TWINNED AGENT UNIT (TAU-2H).—The
Twinned Agent Unit (TAU-2H) extinguisher (fig. 9-11)
is a dual-agent apparatus that is designed primarily for
extinguishing class B fires and is employed aboard ship
and shore facilities normally located at hot refueling
sites, or it can be vehicle-mounted. The TAU-2H is a
self-contained unit with a framework with two agent
tanks—one containing 86 gallons of AFFF premixed
solution and the other containing 200 pounds of Halon
1211. The system permits use of the fire-fighting agents
either separately or simultaneously. The TAU-2H
employs a noncollapsible dual hose line encased in a
fire-resistant cotton jacket. The twinned hose line is
normally stowed in a rack or mounted on a reel. The
fire-extinguishing agents are propelled by nitrogen,
which is supplied by one 2700 psi pressurized cylinder
that is regulated to 200 psi and mounted on the
framework. The twinned nozzles on the handline expel
the fire-fighting agents. The Halon nozzle is equipped
with a low-reaction discharge tip. The AFFF nozzle is
equipped with an aspirating tip.
Duel pistol grip
handles and triggers operate the shutoff valves.
Extinguishment is obtained by applying agents in a
sweeping motion, using the chemical agent Halon 1211
to gain initial extinguishment, followed by application
of AFFF to blanket the combustible liquid and preclude
reignition.
A/S32M-14, 8 1/2 TON AIRCRAFT MAIN-
TENANCE CRANE.—The A/S32M-14, 8 1/2 ton
aircraft maintenance crane (fig. 9-12) is a four-wheel
9-7
ANF0911
Figure 9-11.—TAU-2H twinned agent unit.
ANF0912
LEGEND
1. BOOM
2. WINCH
3. ENGINE/TRANSMISSION
4. OUTRIGGERS
5. HYDRAULIC TANK
6. CAB/CONTROL PANEL
7. LIFT CYLINDER
8. AERIAL BUCKET
1
4
6
7
2
3
4
5
8
Figure 9-12.—A/S32M-14, 8 1/2 ton aircraft maintenance crane.
