Location, Location, Location
APU Control panel can be found here
What is the Flight station, Center overhead panel?
is the max field elevation to start any engine with the APU
What is 6000 ft?
When this switch is set to "ARM" while the Aircraft is on the ground, the APU pneumatic output is not available for Air conditioning, engine starting or bomb-bay heating.
What is the "Inflight Arming" switch?
these are two main sections of the APU
What are Compressor/turbine section and Accessory section?
the "Doors" light receives power from this Bus
What is the APU Essential DC bus?
Located on the aft of the left wing rear beam fuselage to fillet area
Where is Fuel manual Shut-off valve
Is the max altitude for operation of the APU
What is 20,000 ft?
Moving this switch to the on position will cause the APU doors to open.
What is the "APU control switch" or AKA "APU Start selector switch"?
this unit includes the following, 1) Governor assembly, 2) Acceleration limiter valve, 3) High pressure fuel filter, 4)fuel pump, and 5) solenoid valve.
What is the Fuel control unit?
Is the max gen output power
What is 60 KVA?
Located between the Nose wheel and the bomb bay
Where is the APU?
1 minute on - 4 minutes off,1 minute on - 4 minutes off,1 minute on - 60 minutes off,
What is the APU starters duty cycle?
The voltage ignition unit is powered by this
What is 28 VDC
The tachometer Generator is mounted on this assembly
What is the oil pump assembly?
The APU generator produces this type of power
What is AC power?
Located on the left side of the APU engine accessory section
Where is the oil pump?
The Maximum airspeed to operated the APU
what is 225 KIAS?
Is the number of igniters used by the APU
What is 1?
Delivers pressure at 20 psi to the load control valves
What is the Differential air pressure regulator?
The APU burn this amount of fuel per hour
What is 300 PPH
Located in the discharge airstream
Where is the thermal couple located?
The minimum fuel required in #2 fuel tank to operate the APU
What is 1000 lbs
Is energized open when oil pressure rises above 2.5-3.5 psi
What is Fuel solenoid Valve
Each half of this pump displaces a volume of approximately 4.5 U.S. gallons per minute from its respective section
What is the "oil scavenge pump"?
Auxiliary hydraulic pump
What does the APU not have?