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Figure 1-4. Engine Compartment
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TM-55-1730-229-12 Power Unit Aviation Multi-Output GTED Electrical Hydraulic Pneumatic (AGPU) Wheel Mounted Self-Propelled Towable Manual
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Figure 1-5. Hydraulic Filters and Control Panel

TM 55-1730-229-12
TO 35C2-3-473-1
the  engine.
Engine  exhaust  is
c. Engine/Gearcase.
The gas
through  an  exhaust  ejector,  and
turbine  engine  (GTE),  Fig.  1-8,
out  the  roof  through  an  exhaust
provides pneumatic power, and shaft
flapper.
power to drive an AC/DC generator and
a hydraulic pump.  The generator and
pump are mounted on pads on the
gearcase.  Fuel for operation of the
NOTE
engine  can  be  supplied  from  an
The exhaust ejector inlet tube,
integral fuel tank or an external
items 1 and 2, Fig. 1-8, are being
source.  Selection of fuel source is
replaced with a low back-pressure
controlled by the four-way valve.
exhaust installation (not shown).
Fig. 1-1.  Once started, the engine
This  installation  will  be
runs up to 100% governed speed of
incorporated in a 83-360D AGPU and
58,737
rpm,
and
automatically
on
other
AGPUs
whenever
maintains that speed until shutdown.
replacement of the current ejector
Engine air intake is through an air
assembly is required.
cleaner/duct assembly, Fig. 1-9, to
Change 8

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