Electrical & Enviornmental 5 Level Test
Pneumatic relay.
Rate metering valve.
Manual control valve.
Cabin pressure controller.
An aneroid only.
A diaphragm only.
An aneroid and spring.
An aneroid and diaphragm.
Manual control valve stuck open.
Isobaric metering valve stuck closed.
Cabin pressure controller filter partially clogged.
The test valve handle is in the TEST ONLY-ALL OFF position.
Poppet valve.
Pneumatic relay.
Rate control system.
Cabin pressure controller.
Bellcrank.
Check valve.
Bellows face plate.
Pressure regulator.
A jet pump.
Filtering cabin air.
The unpressurized range.
Regulating control chamber pressure.
Isobaric.
Differential.
Unpressurized.
Dual differential.
Thermostat.
Thermal switch.
Temperature sensor.
Temperature limiter.
Controls the modulating valve.
Returns to the jet pump as recirculating air.
Becomes a reference temperature for the thermostat.
Assists the ejector nozzles in drawing air across the heat exchanger.
Thermal sensor.
Control circuit.
Temperature switch.
Pneumatic thermostat.
5 psi.
7 psi.
9 psi.
11 psi.
Can only be replaced at depot level.
Remove tube through the wing butt access panel.
Remove tube through the trailing edge access panels.
Leading edge section must be removed to replace the tube.
Thermal switch and wiring.
Sensing element and wiring.
Autotransformer and wiring.
Temperature controller and wiring.
Regulates airflow to the rain removal system.
Prevents the primary heat exchanger from overheating.
Provides an even distribution of bleed air across the windshields.
Assists the air-conditioning system in maintaining regulated airflow.
4–5 Gs.
6–7 Gs.
8–9 Gs.
10–11 Gs.
Inflate the pilot’s anti-G suit.
Exert pressure on the pilots lungs.
Offset the effects of negative G-forces.
Prevent blood from rushing to the pilot’s brain.
Blood from rushing to the brain.
A restricted flow of blood to the heart.
Blood from pooling in the lower portions of the body.
Overexertion of the heart when G-forces are encountered.
Floor heat shutoff valve.
Pneumatic control thermostat.
Pneumatic temperature anticipator.
Floor heat modulating and shutoff valve.
Control the floor heat shutoff valve.
Respond to rapid temperature changes.
Respond to gradual temperature changes.
Send a signal to the control box amplifier section.
Box.
Sensor.
Limiter.
Rheostat.
175 ± 20 (°F).
175 ± 10°F.
155 ± 20°F.
155 ± 10°F.
Opens the cooling air valve.
Opens the ejector air valve.
Closes the primary heat exchanger shutoff valve.
Closes the bleed air pressure regulator and shutoff valve.
Cold air and flow control valves close.
Cabin temperature control system (CTCS) pressure regulator/shutoff and cold air valves close.
Flow control/shutoff and air conditioning system (ACS) pressure regulator/shutoff valves close.
ACS pressure regulator/shutoff and CTCS pressure regulator/shutoff valves close.
Overheat switch.
Temperature sensor.
Temperature control switch.
Manual temperature limiter.
Pressure limiter.
ACS flow control and shutoff valve.
ACS pressure regulator and shutoff valve.
Cabin temperature control system pressure regulator and shutoff valve.
Defog valve.
Anti-ice valve.
Water separator.
Cabin dual-temperature mixing valve.
Cabin air inlet valve.
Ground cooling ejector valve.
Water separator bypass valve.
Cabin dual-temperature mixing valve.
Turbine overspeed switch.
Cabin temperature limiter.
Manual temperature limiter.
Pneumatic-thermal overheat switch.
Liquid air.
Compressed air.
Conditioned air.
Atmospheric air.
Airflow valve.
Ejector valve.
Ram air nozzle.
Air-to-air valve.
Turbine bypass valve.
Ice control screen.
Anti-icing valve.
Anti-icing controller.
Inlet temperature above 32°.
Inlet temperature below 32°.
Outlet temperature above 32°.
Outlet temperature below 32°.
Rapid expansion.
Regulated airflow.
Internal compression.
Regulated air pressure.
Excessive air flow.
Low system pressure.
Turbine over speeding.
Moisture in the cold air.
Depot.
Squadron.
Intermediate.
Organizational.
Sensor, modulating valve, and jet pump. sensor, temperature control circuit, and jet pump.
Sensor, temperature control circuit, and jet pump.
Modulating valve, sensor, and temperature control circuit.
Modulating valve, temperature control circuit, and jet pump.
Jet pump.
Jet sprayer.
Water aspirator.
Water separator.
Check the valve position.
Connect a pressure gage.
Relieve excess pressure.
Secure valve insulation.
Air cycle machine.
Contained air cooler.
Primary heat exchanger.
Regenerative temperature changer.
Flow control system.
Safety control system.
Pressure control system.
Temperature control system.
Ram air.
Rapid expansion.
Mixing bleed air with ram air.
Water flowing across the heat exchanger core.
Pressure limiter.
Low system pressure.
Flow control valve.
High engine pressure ratio.
A bleed air leak.
An over-speeding turbine.
High exhaust gas temperature.
A stuck open pressure relief valve.
An orifice that is defective.
A clamp that has been improperly installed.
A precooler air ejector valve that is defective.
A pressure regulator that is installed backwards.
Needs to be repeated.
Results are dangerously excessive.
Results are below allowable limits.
Results are within allowable limits.
Around valve shafts.
At low-pressure connections.
Before the bleed air engine tapoff.
On the bleed air ducting center wing section.
Ram air ducting.
Long runs of ducting.
Low-pressure ducting.
Short runs of ducting.
Listening and feeling.
Using an ultrasonic leak detector only.
Feeling only because leaking air may be hot.
Listening only because leaking air may be at high pressure.
Soap
Water
Grease
Silicone
Replace the duct flange ends.
Use a gasket with the duct ends.
Reposition the duct for better sealing.
Reshape the duct flange ends to its original shape.
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