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  TM 55-1730-229-34
AG 320A0-MME-000
TO 35C2-3-473-2
TM 1730-34/1
mercury switch which deactivates the
control the
allows the operator to
propulsion system when the tow bar is
forward/reverse directions and speed (up
to 3 mph on flat surface) in self-
raised. Conventional drum brakes are
propulsion mode. The tow bar is also
provided on the rear wheels. The brakes
are set by a lever on the front of the
used to steer the AGPU when using self-
AGPU, which is connected to the brake
propulsion mode. Drive power is provided
assemblies by a cable assembly.
by a dc traction motor driving a conven-
tional rear axle assembly. An electric
brake is provided. The electric brake
1-7. TABULATED DATA. Tabulated data is
prevents the rear wheels turning with
contained in table 1-1, and torque spe-
with the clutch engaged until electri-
cal power is applied to the traction
cifications in table 1-2.
motor and electric brake. Application of
-
1-8. DIFFERENCES BETWEEN SERIAL NUM
dc drive power to the traction motor is
BERS.
controlled by a motor controller and
relays located on the upper tray in the
a. Battery Charger. Serial numbers
electrical compartment. The motor con-
001, 002, 004, 005, and 009 have 20 amp
troller receives signals from the speed/
direction control assembly. The drive
battery chagers instead of the 50 amp
train consists of a gear box, a chain
battery chargers supplied with all other
AGPUs.
drive, a manual clutch, and a rear axle
assembly. A dead man switch on the
b. Mounting Hardware.
There are
speed/direction control assembly must be
minor differences in component mounting
held in while operating the propulsion
hardward (screws, nuts, rivets)
system. If the switch is released (in-
and
during
tentionally
or accidentally)
frame and housing components (doors,
operation, power is removed from the
panels, covers) between the AGPU serial
traction motor and the electric brake.
numbers 001 through 020, and serial num-
Removing electrical power applies the
bers 021 and on.
These differences
electric brake. Additionally, the speed/
should be noted prior to any maintenance
direction control assembly contains a
or repair actions.
Tabulated Data
Table 1-1.
Aviation Ground Power Unit (AGPU).
1.
Manufacturer:
Developmental Sciences - Astronics Div. of Lear Siegler, Inc.
(FSCM 63631)
Model
MEP-360A
NSN 1730-01-144-1897
Operating Environment Capabilities:
Temperature:
-65°F to 95°F (-54°C to 35°C)
up to 10,000 feet (3048m) elevation
-65°F to 107°F (-54°C to 42°C)
up to 5,000 feet (1524m) elevation
-65°F to 125°F (-54°C to 52°C) at sea level
1-9
Change 2
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