unit to a towing vehicle. A retractable swivel caster
GASEOUS OXYGEN SERVICING
supports the drawbar when the unit is not attached to a
TRAILERS
towing vehicle. The trailer is equipped with a
Gaseous oxygen servicing trailers are used to
hand-operated, mechanical parking brake.
replenish aircraft oxygen storage cylinders and
emergency bailout systems. They provide mobile
Components
sources of oxygen that can be towed are manually
The components of the A/U26U-1 servicing
moved to the aircraft. Different models of gaseous
system are divided into four primary subsystems: a gas
oxygen servicing trailers are currently in use in the
Navy. The most prevalent one you will encounter is the
storage system, a nitrogen module, an oxygen module,
A/U26U-1 oxygen servicing unit. The general
and servicing/interface equipment. The primary
appearance of the A/U26U-1 is shown in figure 10-12.
components of each subsystem are discussed in the
following paragraphs. In the discussion that follows,
The servicing system of the A/U26U-1 is mounted
refer to figure 10-13, which is a flow schematic of the
on a three-wheeled, pneumatic tire trailer with a
drawbar. The drawbar lunette eye is used to attach the
servicing unit.
GROUNDING
REEL
OXYGEN
CYLINDER
LIFTING
TIEDOWN
RINGS
OXYGEN
MODULE
CYLINDERS
STORAGE
COMPARTMENT
CLAMP
ASSEMBLY
MODULE
RIGHT SIDE VIEW
PUSH
BAR
LIFTING
TIEDOWN'
RINGS
HAND
GROUNDING
BRAKE
CABLE REEL
ASSEMBLY
ASf10012
SAFETY
CHAIN
LEFT SIDE VIEW
Figure 10-12.--A/U26U-1 oxygen servicing unit.
10-24
