Volume URE for 2A672 Volume 2
28 V to aircraft
Neutral
Bypass
Loop
Input auto transformer
Output auto transformer
Input phase sequence transformer
Output phase sequence transformer
Analog board and alarm display
Control transformer and voltage control
Input circuit breakers and display power supply
SCR voltage regulator and phase sequence transformer
28 VDC for the aircraft contactor
240 VDC for the aircraft contactor
120 VAC for the operation of E and F line 28 VDC power supply
240 VAC for operation of E and F line 28 VDC power supply
Air inlets for blockage
Wiring for secure mounting
Maintenance panels for corrosion
Interior air vents for secure mounting
Analog board has failed
Output trim potentiometer is centered
Voltage control board potentiometer is shorted
Audible alarm switch is in the silence position
Malfunctioning transister
Burnt control transformer fuse
Improper SCR firing adjustment
Loose push-on connector on the output filter capacitor
Turbine section
Accessory section
Compressor section
Air regulator section
Accelerate air
Increase air pressure
Decrease air velocity
Smooth turbulent air flow
Interstage ducts
Interstage seal
Impellers
Inducers
Oil jet
Oil cooler
Scavenge pump
Oil tank vent line
1 and 3
2 and 4
1, 2, and 3
1, 3, and 4
1
2
3
4
Load switch
Oil pressure switch
Turbine start switch
35 percent centrifugal speed switch
Set-up controls
Set parking brakes
Open and secure the exhaust door
Ensure the turbine air inlet and exhaust doors are free of obstructions
55 +2 psig
45 +2 psig
35 +2 psig
25 +2 psig
Air load switch
Fuel level relay K5
2 speed solenoid SV4
Battery charging module
Super heat
Latent heat
Sensible heat
Convection heat
Sensible, latent, and super heat
Sensible, convection, and conduction
Conduction, convection, and radiation
Conduction, convection, and super heat
Heat
Heat load
Pounds per minute (ppm)
Cubic feet per minute (cfm)
Increase the heat load
Lower the refrigerant charge
Check the receiver outlet valve
Decrease the setting of the LPCO
Refrigerant overcharge
A low refrigerant charge
High discharge temperature
Low discharge air temperature
Quench valve
TXV solenoid valve
Hot gas bypass circuit
Electric expansion valve
Air pressure is too low so the boiling point of the R134a must be increased
Suction air pressure is too high so the boiling point of the refrigerant can be decreased
Suction pressure is too low so the boiling point of the refrigerant must be increased to increase the output air temperature
Suction pressure is too high so the boiling point of the refrigerant must be decreased to decrease the output air temperature
K7 contacts are closed
Overspeed switch is closed
Oil pressure switch is closed
Override switch is not closed
Wait!
Here's an interesting quiz for you.