wheel supports the tow bar when the trailer is
system, and interface/servicing equipment. Figures 8-7
uncoupled from a tow vehicle.
and 8-8 illustrate the relationship of major components
and location of information plates and reflective tape.
The wheel release handle holds the swivel caster
wheel in the up position when the trailer is being towed.
Components
When uncoupled, the caster wheel is locked in the
down position with the wheel release handle. The
Components include a trailer assembly, gas storage
trailer is equipped with a mechanical parking brake
system, gas servicing system, and interface/servicing
operated by a hand brake lever.
equipment.
GAS STORAGE SYSTEM.--The gas storage
TRAILER ASSEMBLY.--The trailer assembly is
system is used to store oxygen and nitrogen. It consists
designed to support and transport the gas storage
of one cylinder of oxygen and two cylinders of gaseous
system, gaseous oxygen/nitrogen modules, and
nitrogen (oil free). The storage system is designed to
interface/servicing equipment including the grounding
operate at 225-3850 psig for nitrogen and 200 to 2640
reel cable assembly. The trailer contains three wheels
psig for oxygen. Nitrogen is used to drive an oxygen
and a tow bar. The tow bar is used to attach the trailer to
boost pump when compressed air is not available.
a towing vehicle. A rotatable, retractable swivel caster
Figure 8-7.--Oxygen servicing unit A/U26U-1A.
8-14
