2W151B Volume 1 Unit 2

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Terms in this set (...)

State the uses of an APU in flight line situations.
They provide electrical power to aircraft systems during loading/unloading and during operational and functional checks.
The -60 generator set provides what type of power?
AC, DC and electrical power and high-pressure pneumatic power.
Where are the three instrument panels located on the -60 generator?
The left-hand forward side of the generator set.
What electrical service provisions (supply) are made possible by the power outlet panel on the -60 generator?
It lets you supply electrical power to equipment power to equipment other than the aircraft.
What does the A/M32A-95 supply to aircraft?
Bleed Air.
How may the operator verify the fluid level in the lubricating oil tank of the A/M32A-95?
Through the sight glass.
What type of power is supplied by the A/M 32-86?
400HZ, three-phase, 115/200 VAC or 230/400 VAC.
What three panels will you use during the operation of the -86 generator?
1) Engine Control Panel
2) Generator Control Panel
3) External AC Panel.
What Panel has the indicators that monitor voltage output and current while the -86 is operating?
The generator control panel.
What aircraft are supported by the starter cart assembly?
MQ-1 and MQ-9.
Who may start and operate APUs?
Only qualified and authorized personnel.
When are APU operators not required to stay in the immediate vicinity of the unit during munitions loading?
When it's a practice operation using training inert munitions. (That don't have explosives).
When may fighter aircraft be exempt from the 50-foot positioning requirements for APUs?
During combat or simulated combat operations with TO approval/wing commander or authorized representative.
Where do you not stand when operating an APU with a turbine engine?
The engine's plane of rotation, identified by 2 red vertical lines painted on each side of the APU.
List the everyday 2W1X1 uses of air compressors.
1) To cycle gun systems and ammunition loaders during system maintenance and loading and unloading.
2) To power pneumatic tools; to provide compressed air for cleaning and drying components.
3) To recharge pneumatic systems and associated components on aircraft or equipment such as lift trailers.
What is the Air capacity of the MC-2A?
15 cubic feet of free air per minute at 200 psi.
What is the maximum compressed air pressure for cleaning?
30 psi
What might happen if you use an air compressor in an enclosed area?
Asphyxiation (Prevent oxygen absorption into the blood). Or death.
What must be used in conjunction with the FL-1D to provide power to the MQ-1 or the MQ-9 aircraft?
The DCS40-75 Sorensen power supply unit.
What kind of engine is in the FL-1D floodlight?
Three cylinder, naturally aspirated, water-cooled, 10.5-horsepower diesel.
What is the required warm-up time if the FL-1D floodlight?
2 to 4 mins.
Why must the hoist brake assembly be engaged properly when the floodlights platform is raised?
It could let the hoist fall damaging equipment/injuring people.
How should the floodlights be positioned in relationship to an aircraft?
They should be far away from the aircraft while still providing adequate lighting.
State the uses of air conditioners.
To wash or clean air, to humidify or dehumidify the air and to provide cool air for ventilation of an aircrafts cockpit or electronic equipment equipment compartments.
Air conditioners are currently used on which aircraft?
F-15 and F-16.
What two types of air may be controlled from the instrument panel of the A/M 32C-10A?
Conditioned and high pressure air.
What are the positioning requirements for the portable air conditioner around aircraft?
Position it between 15 and 30 feet from the aircraft being serviced.
How many people are required for operating the air conditioner?
2; 1) one monitoring the air conditioner.
2) Other operating the gas turbine compressor.
What is the function of the PAO heat exchanger?
Transferring heat to out-side air by radiating heat through heat exchanger could and find into the air passing over them.
The POA cart can operate in how many fluid temperature modes?
1) Forward loop mode.
2) AFT loop mode.
What is the initial fluid delivery pressure regulated to when the cart initially begins delivering PAO fluid to the aircraft?
120 PSIG.
What is the temperature range for operating the PAO cart?
-40F to +120F
What must you do before making or breaking connections between the PAO cart and the aircraft?
Make sure the system is depressurized.
For what do 2W1s commonly use hydraulic test stands (MULE)?
For operational and functional checks on aircraft gun systems, weapons bay doors and some weight off wheel checks.
Which hydraulic test stand system, primary or secondary is used during functional checks?
Both have same capabilities; either system may be used.
How are the hydraulic system hoses connected to the aircraft and what precautions should you take in making connections?
The hoses are connected w/o hydraulic pressure applied. You must be extremely careful hydraulic fluid doesn't get in your eyes.
What powers the SGNSC?
A 49-hp Diesel engine.
Where is high-pressure nitrogen delivered by the system for storage?
On board high-pressure cylinders.
Why is it important to prevent nitrogen accumulation in an enclosed area?
High concentrations of oxygen can occur, causing an increased hazard of fire/explosion.
What must be done prior to loosening fittings or remove tubes or hoses?
Always vent the pressure from that part of the system through the appropriate valve.
What are the basic uses of maintenance stands?
Provides working platforms at variable heights.
Describe the B-1 maintenance stand.
- Hydraulically operated combo of stair structure and work platform.
- Height adjusted by hydraulic pump between 3-10ft.
Describe the B-4 maintenance stand.
-Scissor type, variable- height platform.
- A hydraulic actuator near bottom letting the platform vary from 3-7ft.
Describe the B-5 maintenance stand.
-Scissor-type, variable-height platform.
- Hydraulic acting cylinder from 7-12ft.
What is the purpose of the split-deck maintenance platform?
Used for chaff and flare loading and unloading on the B-1B.
What type of inspections do 2W1s make on AGE?
Operator's and pre-use inspection.
Why do we inspect AGE?
1) It's a TO requirement.
2) We must ensure the safety and serviceability.
How many different outputs can an A/M 32A-60 generator provide?
Three
Which unit is the only auxiliary power unit (APU) to provide both electrical and pneumatic power?
A/M32A-60
Which A/M 32A-60 control panel has the switches and controls necessary to operate the direct current (DC) generator and to monitor the DC voltage output of the generator set?
DC instrument.
What source is the output of the A/M32A-95 Gas Turbine Compressor?
Bleed Air
Due to the expansion properties of fuel, an unmodified A/M32A-95 Gas Turbine Compressor fuel tank should not be filled more than approximately how full?
1/2.
How many instrument/control panels must the operator make use of during operation of the A/M 32A-86 generator set?
Three.
Which A/M 32A-86 control panel contains the gauges and controls required for monitoring the output voltage and amperage of the unit during operation?
Generator control.
Which panel of the A/M32A-86 generator set has the circuit breaker to shut off current flow in case of an overload?
External alternating current (AC).
Which auxiliary power unit serves as an external power source for the MQ-1 and MQ-9 aircraft?
Starter cart assembly (SCA).
Which type of power is provided to the MA-1 and MQ-9 aircraft by the starter cart assembly (SCA) for use in avionics systems?
28 VDC.
Where is the control panel of the starter cart assembly (SCA) located?
Underneath a cover located at the top of the unit.
An operator not required at or in the immediate vicinity of an in-use auxiliary power unit (APU) when they are practice loading...
Inert training munitions.
Fighter aircraft may be exempted from the 50-foot distance placement requirements of an auxiliary power unit (APU) during...
Combat or simulated combat operations.
Which air compressor may be used to operate small pneumatic tools?
MC-2A.
How much air pressure is produced by the MC-2A air compressor?
15 cfm at 200 psi.
How many operators are required to be present during the operation of the -10 air conditioner?
Two.
Which additional piece of aerospace ground equipment (AGE) is required during the operation of the polyalphaolefin (PAO)/air cooling cart?
None, it is a self-contained system.
How many fluid temperature modes are available on the polyalphaolefin (PAO)/air cooling cart?
Two.
Which action must be ensured before making or breaking a connection between the polyalphaolefin (PAO)/ air cooling cart and the aircraft?
System is depressurized.
The cool-air hatch on the MJ-2A hydraulic test stand is located on the unit, but which location on the unit?
Top.
Which panel(s) of the MJ-2A hydraulic test stand has most of the operating controls?
Main panel.
If hydraulic fluid comes in contact with your eyes during a MJ-2A hydraulic test stand operation, what should you do?
Flush eyes with water and seek medical attention.
What reason is necessary for making sure aircraft fittings are clean before attaching hydraulic servicing hoses?
Dirty fittings can introduce contaminants to the hydraulic systems causing damage to valves and lines.
Which aircraft(s) require aircraft armament system personnel to use the self-generating nitrogen servicing cart (SGNSC)?
F-22 only.
When using the self-generating nitrogen servicing cart (SGNSC) why is it important that waste gasses are not allowed to accumulate in an enclosed space?
Excess oxygen can pose a fire or explosion hazard.
Why is it important to prevent venting the self-generating nitrogen servicing cart (SGNSC) storage tanks in an enclosed space without sufficient ventilation?
Large volumes of nitrogen can displace the oxygen in the air if there is inadequate ventilation.
Which precaution must be taken prior to attempting to loosen fittings or removing tubes or hoses when using the self-generating nitrogen servicing cart (SGNSC)?
You must vent the pressure from that part of the system through the appropriate valve.
What range in feet is the height of the B-1 maintenance stand?
3-10.
The maximum static load the B-1 maintenance stand can sustain is...
500 pounds.
What range in feet is the platform height of the B-4 maintenance stand?
3 to 7.
The hand pump for raising the B-4 maintenance stand is located on the...
Platform near the ladder.
Which maintenance stand is described as a scissors-type, with a variable-height platform, and mounted on a long-legged caster-equipped base?
B-5.
What range in feet is the platform height of the B-5 maintenance stand?
7 To 12.
Which maintenance stand can be used independently or can be installed as an extension on the B-1 stand?
C-1.
The split deck maintenance platform is currently being used with which aircraft?
B-1B.
The lifting capacity of the davit on the split deck maintenance platform is...
250-500 pounds.
If the split-deck maintenance platform's tape switches detect an obstruction during an operation, what will the switches stop on the unit?
Forward drive, platform extension, and lowering capabilities.
What number of pounds is the total lift capacity of the split-deck maintenance platform?
2,000.
During an operator' pre-use inspection of aerospace ground equipment (AGE), what action is required by the operator to ensure proper unit operation?
Cycle the unit completely through its range of capabilities.
Which Air Force technical order (AFTO) form(s) is/are used to annotate any defects you may find in your aerospace ground equipment (AGE)?
AFTO Forms 244 and 245.
Which maintenance stand is described as a nonadjustment 4-foot platform with wheels on the back legs?
C-1
Which power output of a portable floodlight set is used for powering common electrically powered hand tools?
115-120 volts alternating current (VAC).
The FL-1D floodlight can serve as a ground power source for MQ-1 and MQ-9 Aircraft when used in conjunction with a/an...
DCs40-75 "Sorensen" power supply unit.
How long can the lights of a FL-1D floodlight must be left off before you should restart them...
10-15 mins
When can you use the floodlight receptacles for external power to operate accessories?
Never, these receptacles cannot be used to operate accessories.
In which position must the FL-1D floodlight's platform be placed during towing?
Lowered completely.
Which additional piece of aerospace ground equipment (AGE) generator set is required during operation of the A/M 32C-10 air conditioner?
A/M 32A-60
How far from the supported aircraft should the A/M 32C-10 conditioner be positioned for optimum unit operating efficiency and safety?
15 to 30 feet.
How many pounds per square inch (psi) is the maximum amount of bleed-air pressure that may be applied to the A/M32C-10 air conditioner?
45 psi.