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39 Cards in this Set
- Front
- Back
(1) Power Plant System Components
Power unit is divided into ___ major sections 1. ? 2. ? 3. ? 4. ? |
1. Compressor
2. Combustion 3. Turbine 4. Exhaust |
|
Compressor Section
1. ___ stage axial flow compressor 2. Consists of: 1. ? 2. ? 3. ? 4. ? |
1. Air Inlet Housing
2. Compressor Housing 3. Compressor rotors and stators 4. Diffuser |
|
Combustion Section
1. Consists of ___ burner cans arranged in a ___ pattern, surrounded by an ___. 2. Igniter plugs installed in burner cans ___ and ___ 3. Fuel nozzles at front of cans provide ___ for ignition 4. ___ connect all cans together and distribute the flame between all cans. |
1. 6, circular, outer casing
2. No. 2 and No. 5 3. Proper spray pattern 4. Crossover tubes |
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Turbine Section
1. ___ stages 2. Drives ___ (___) through ___. |
1. Four
2. reduction gearbox, torquemeter |
|
Exhaust Section
- Tailpipe directs gases ___. |
Aft
|
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Accessory Drive Housing
1. Mounted to ___ of engine compressor ___. 2. Provides mounting points for each engine ___ driven accessories. |
1. bottom, air inlet housing
2. subsystem |
|
Reduction Gearbox
1. RGB converts ___/___ from the power section to ___/___ at the propeller shaft 2. Contains accessory mounting pads on REAR face for: 1. ? 2. ? 3. ? 4. ? |
1. AC generator
2. Hydraulic Pump 3. Starter 4. Tachometer generator |
|
Torquemeter Assembly
1. Connects ___ to ___ 2. Consists of ___ concentric (inner and outer) shafts, torquemeter ___ and torquemeter ___. 3. Torquemeter ___ A. ___ the two concentric shafts B. Provides ___ point for torquemeter pickup 4. Torquemeter ___ A. Measures lag between ___ rotating shaft and ___ outer shaft. b. Transmits ___ signal to flight station indicator. |
1. power unit, reduction gearbox
2. two, housing, pickup 3. housing a. surrounds b. mounting 4. pickup a. inner, reference b. torque |
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ENGINE SUBSYSTEMS
OIL SYSTEM COMPONENTS Oil Tank 1. Located at ___ of engine nacelle. 2. ___ sump system 3. Capacity is ___ US gallons A. ___ gallons for cold oil B. ___ gallons for hot oil |
1. top
2. dry 3. 12 a. 10-11 b. 12 |
|
Magnetic Drain Plugs
1. ___ total mag plugs per engine a. Two located on ___ b. two located on ___ 2. Used for ___ oil and inspecting for component ___. 3. Checked for component wear using ___. |
1. four
a. accessory drive housing b. rgb 2. draining, wear 3. multimeter |
|
Oil Pumps
1. All pumps are ___ type 2. ___ pressure pumps 3. ___ scavenge pumps used to ___ oil to tank |
1. gear
2. pressure 3. five, return |
|
Oil Filters
1. Power Unit Oil Filter a. mounted in ___ b. filters oil ___ the pressure pump 2. External Scavenge Oil filter a. located on ___ lower side of engine nacelle b. filters oil ___ to tank c. contains a clogged element ___ button. d. filters oil from both ___ and ___ 3. RGB oil filter a. mounted in the ___ b. filters oil ___ the pressure pumps |
1.
a. accessory drive housing b. leaving 2. a. right b. returning c. indicator d. power unit, rgb 3. a. rgb b. leaving |
|
Oil Cooler
1. located at bottom of engine nacelle, ___ and ___ of ___. 2. Oil flowing through the cooler core is cooled by ___ 3. ___ controls airflow through oil cooler |
1. below, aft, air inlet housing
2. ram air 3. oil cooler flap |
|
(2) FUEL SYSTEM COMPONENTS
Fuel Heater Strainer 1. located on ___ side of engine 2. ___ fuel going to the engine 3. Helps to prevent ___ in fuel by transferring heat from returning engine oil. |
1. right
2. strains 3. icing |
|
Dual Fuel Pump Assembly
1. Mounted on ___ 2. Delivers fuel to ___ |
1. accessory drive housing
2. fuel control |
|
Fuel Control
1. Mounted on ___ 2. ___ linked to fuel coordinator 3. ___ fuel flow to control engine speed |
1. accessory drive housing
2. mechanically 3. meters |
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Fuel Coordinator
1. Mounted on ___ face of fuel control 2. Cables connect the ___ and ___ to the coordinator which controls the fuel control and the propeller |
1. rear
2. throttles, condition lever |
|
Starter System
a. starter control valve 1. ___ airflow into the starter 2. controlled by starter button/switch above ___ b. Pneumatic Starter 1. Mounted to ___ 2. Uses air from ___ to rotates the engine |
a.
1. controls 2. pilot's head b. 1. RGB 2. bleed air manifold |
|
(3) POWER PLANT SYSTEM OPERATION
1. Air enters through the ___ 2. Air is compressed as it enters through the ___ stage axial flow compressor 3. After exiting the compressor, the air enters the ___ 4. The diffuser slows down and spreads out air before it enters the ___ chamber 5. Air from the diffuser is mixed with fuel from the ___ nozzles 6. Fuel air is ignited by ___ 7. Hot gasses are directed to the turbine inlet causing ___ 8. The ___ stage turbine rotor then drives the compressor, engine accessories, and reduction gearbox. 9. Hot gasses exit through the ___ section |
1. air inlet housing
2. 14 3. diffuser 4. combustion 5. fuel 6. igniter plugs 7. turbine rotation 8. 4 9. exhaust |
|
ENGINE SUBSYSTEM OPERATION
1. Oil Supply System a. Oil is ___ to the oil system from oil tank b. Oil enters (_) ___ to lubricate the engine systems c. Pressurized oil is filtered and then used to lubricate the ___ and ___ assembly |
1.
a. gravity fed b. 2, pressure pumps c. power plant, reduction gear box |
|
Oil Scavenge system
A. Oil is returned to the tank by (___) ___. B. Return oil is filtered by the external ___ C. Oil is routed through the fuel heater strainer to warm the fuel before being sent to the ___ or back to the ___ |
A. 5, scavenge pumps
B. scavenge oil filter C. oil cooler, tank |
|
Fuel System
A. Fuel moves from the ___ or ___ into the fuel heater strainer B. Warmed fuel is sent to the ___ C. Fuel is pressurized, filtered, and sent to the ___ D. Fuel Control- ___ fuel flow. E. Coordinator- ___ fuel flow to coordinate engine power with propeller blade angle and engine speed. |
a. fuel tank, crossfeed manifold
b. dual fuel pump c. fuel control d. meters e. varies |
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Starter System
A. Engine is started by using ___ from one of three sources 1. ? 2. ? 3. ? B. Pushing starter button/switch opens starter ___ C. Air is routed to ___ to begin cycle |
A. Bleed air
1. GTC/APU 2. External air source 3. Another operating engine B. control valve C. Pneumatic starter |
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Normal Engine Shutdown
1. Accomplished by taking ___ away from the engine 2. Initiated by placing CONDITION LEVER to ___ |
1. fuel
2. GROUND STOP |
|
Emergency Shutdown
1. Accomplished by pulling the desired ___. 2. Accomplished by placing the engine CONDITION LEVER to ___ |
1. fire emergency handle
2. FEATHER |
|
(4) PROPELLER SYSTEM COMPONENTS
A. Propeller consists of a ___ section and a ___ section B. Propeller assembly (ROTATING SECTION) |
a. rotating, stationary
|
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Barrel Assembly
a. ___ blades within propeller assembly b. attaches propeller assembly to ___ shaft c. transmits engine ___ to blades |
a. secures
b. reduction gearbox c. torque |
|
Blade Assembly
a. Made from ___ b. Numbered ___-___ |
a. hard aluminum alloy
b. 1-4 |
|
Dome Assembly
a. Mounts to ___ of barrel assembly b. Contains mechanism for ___ blade angles |
a. front
b. changing |
|
Spinner Assembly
A. Consists of ___ and ___ spinner sections and an ___ assembly B. Constructed of ___ and reinforced plastic C. Encloses the dome, barrel, and control assemblies in a ___ housing. |
a. front, rear, afterbody
b. fiberglass c. streamlined |
|
Propeller Control Assembly (Stationary Section)
1. Mounted ___ the barrel assembly 2. Made up of two components: ___ housing and ___ housing. A. ___ housing 1. ___ part of control assembly 2. contains ___ and ___ sumps for servicing |
1. behind
2. pump, valve a. pump 1. lower 2. atmospheric, pressurized |
|
Contains ___ gear type pumps
A. Three pumps are driven by ___ rotation to supply hydraulic power B. Two pumps are ___ driven by an auxilary motor to provide for static operation of propeller C. Valve Housing 1. Mounts to the ___ of pump housing 2. ___ the flow of fluid to the DOME assembly to change propeller pitch |
5
a. propeller b. electrically c. 1. top 2. controls |
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Controlling Components
1. Control Quadrant a. located in flight station between ___ and ___ seats |
a. pilot, co-pilot
|
|
2. Throttles
a. ___ engine power settings b. ___, ___, ___, ___ |
a. control
b. REVERSE, GROUND IDLE, FLIGHT IDLE, TAKE-OFF |
|
3. Condition Levers
a. Select operating condition of the engine b. ___ operating conditions 1. ? 2. ? 3. ? 4. ? |
B. four
1. FEATHER 2. GROUND STOP 3. RUN 4. AIR START |
|
Fire Emergency Handles
a. used to shutdown engine in an ___ b. cause respective propeller to ___ |
a. emergency
b. feather |
|
Feather Override Buttons
a. located on ___ shelf b. ___ actuated 1. ___ controlled to pull down when propeller starts to feather 2. ___ out when propeller reaches feather |
a. co-pilots
b. solenoid 1. electrically 2. pops |
|
(4) PROPELLER SYSTEM OPERATION
Normal Operation (Engine Running) 1. ___ from the coordinator to the propeller control assembly direct hydraulic fluid flow to the dome 2. Blade angle changes are made by the ___ 3. Blade angles change by movement of the ___ |
1. control linkage
2. dome 3. dome |
|
Static Operation (Engine Not Running)
1. Hydraulic pressure is supplied to the dome by the ___ auxilary pump 2. Pump Activated by: a. placing condition lever to ___ or ___ b. Pulling ___ c. Manually depressing propeller ___ override button 3. Static Operation is accomplished on the ___ to check engine rigging and perform proper fluid level checks. |
1. electrical
2. a. AIR START, FEATHER b. fire emergency handle c. feather 3. ground |