TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
12-1-9
AIR INTAKE DUCT ASSEMBLY
AIR CLEANER ASSEMBLY
4.
1.
BYPASS DOOR
SCAVENGE TUBES
2.
5.
BLEED AIR HOSE (FROM ENGINE)
3.
Engine Air Intake System
The permanent magnet provides a three
d. Generator. The generator (fig-
phase output whenever the generator is
ure 1-8) is a self-cooled, continuous
When the engine
self-excited, brushless
driven by the engine.
ac/dc,
duty,
reaches 95 percent speed, a relay con-
unit.
It includes a permanent magnet
nects the permanent magnet output to the
stator and rotor, an exciter stator and
rotor, and a main dc rotating field and
generator control unit (GCU), located
behind the control panel. The GCU rec-
ac stator. The main ac stator incorpo-
tifies this ac voltage to provide dc
rates three sets of three phase wind-
ings.
One set of main stator windings
control voltage for the GCU and dc
provides the 115/200 vac output. The ac
excitation voltage for the generator
The exciter provides a
exciter field.
outputs of the other two windings are
full-wave rectified to provide 28 vdc
three phase output which varies in
magnitude with the field excitation.
output.
