Engines Blk 8

Front 1

(1) Power Plant System Components
Power unit is divided into ___ major sections
1. ?
2. ?
3. ?
4. ?

Back 1

1. Compressor
2. Combustion
3. Turbine
4. Exhaust

Front 2

Compressor Section
1. ___ stage axial flow compressor
2. Consists of:
1. ?
2. ?
3. ?
4. ?

Back 2

1. Air Inlet Housing
2. Compressor Housing
3. Compressor rotors and stators
4. Diffuser

Front 3

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.

Back 3

1. 6, circular, outer casing
2. No. 2 and No. 5
3. Proper spray pattern
4. Crossover tubes

Front 4

Turbine Section
1. ___ stages
2. Drives ___ (___) through ___.

Back 4

1. Four
2. reduction gearbox, torquemeter

Front 5

Exhaust Section
- Tailpipe directs gases ___.

Back 5

Aft

Front 6

Accessory Drive Housing
1. Mounted to ___ of engine compressor ___.
2. Provides mounting points for each engine ___ driven accessories.

Back 6

1. bottom, air inlet housing
2. subsystem

Front 7

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. ?

Back 7

1. AC generator
2. Hydraulic Pump
3. Starter
4. Tachometer generator

Front 8

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.

Back 8

1. power unit, reduction gearbox
2. two, housing, pickup
3. housing
a. surrounds
b. mounting
4. pickup
a. inner, reference
b. torque

Front 9

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

Back 9

1. top
2. dry
3. 12
a. 10-11
b. 12

Front 10

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 ___.

Back 10

1. four
a. accessory drive housing
b. rgb
2. draining, wear
3. multimeter

Front 11

Oil Pumps
1. All pumps are ___ type
2. ___ pressure pumps
3. ___ scavenge pumps used to ___ oil to tank

Back 11

1. gear
2. pressure
3. five, return

Front 12

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

Back 12

1.
a. accessory drive housing
b. leaving
2.
a. right
b. returning
c. indicator
d. power unit, rgb
3.
a. rgb
b. leaving

Front 13

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

Back 13

1. below, aft, air inlet housing
2. ram air
3. oil cooler flap

Front 14

(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.

Back 14

1. right
2. strains
3. icing

Front 15

Dual Fuel Pump Assembly
1. Mounted on ___
2. Delivers fuel to ___

Back 15

1. accessory drive housing
2. fuel control

Front 16

Fuel Control
1. Mounted on ___
2. ___ linked to fuel coordinator
3. ___ fuel flow to control engine speed

Back 16

1. accessory drive housing
2. mechanically
3. meters

Front 17

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

Back 17

1. rear
2. throttles, condition lever

Front 18

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

Back 18

a.
1. controls
2. pilot's head
b.
1. RGB
2. bleed air manifold

Front 19

(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

Back 19

1. air inlet housing
2. 14
3. diffuser
4. combustion
5. fuel
6. igniter plugs
7. turbine rotation
8. 4
9. exhaust

Front 20

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

Back 20

1.
a. gravity fed
b. 2, pressure pumps
c. power plant, reduction gear box

Front 21

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 ___

Back 21

A. 5, scavenge pumps
B. scavenge oil filter
C. oil cooler, tank

Front 22

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.

Back 22

a. fuel tank, crossfeed manifold
b. dual fuel pump
c. fuel control
d. meters
e. varies

Front 23

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

Back 23

A. Bleed air
1. GTC/APU
2. External air source
3. Another operating engine
B. control valve
C. Pneumatic starter

Front 24

Normal Engine Shutdown
1. Accomplished by taking ___ away from the engine
2. Initiated by placing CONDITION LEVER to ___

Back 24

1. fuel
2. GROUND STOP

Front 25

Emergency Shutdown
1. Accomplished by pulling the desired ___.
2. Accomplished by placing the engine CONDITION LEVER to ___

Back 25

1. fire emergency handle
2. FEATHER

Front 26

(4) PROPELLER SYSTEM COMPONENTS
A. Propeller consists of a ___ section and a ___ section
B. Propeller assembly (ROTATING SECTION)

Back 26

a. rotating, stationary

Front 27

Barrel Assembly
a. ___ blades within propeller assembly
b. attaches propeller assembly to ___ shaft
c. transmits engine ___ to blades

Back 27

a. secures
b. reduction gearbox
c. torque

Front 28

Blade Assembly
a. Made from ___
b. Numbered ___-___

Back 28

a. hard aluminum alloy
b. 1-4

Front 29

Dome Assembly
a. Mounts to ___ of barrel assembly
b. Contains mechanism for ___ blade angles

Back 29

a. front
b. changing

Front 30

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.

Back 30

a. front, rear, afterbody
b. fiberglass
c. streamlined

Front 31

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

Back 31

1. behind
2. pump, valve
a. pump
1. lower
2. atmospheric, pressurized

Front 32

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

Back 32

5
a. propeller
b. electrically
c.
1. top
2. controls

Front 33

Controlling Components
1. Control Quadrant
a. located in flight station between ___ and ___ seats

Back 33

a. pilot, co-pilot

Front 34

2. Throttles
a. ___ engine power settings
b. ___, ___, ___, ___

Back 34

a. control
b. REVERSE, GROUND IDLE, FLIGHT IDLE, TAKE-OFF

Front 35

3. Condition Levers
a. Select operating condition of the engine
b. ___ operating conditions
1. ?
2. ?
3. ?
4. ?

Back 35

B. four
1. FEATHER
2. GROUND STOP
3. RUN
4. AIR START

Front 36

Fire Emergency Handles
a. used to shutdown engine in an ___
b. cause respective propeller to ___

Back 36

a. emergency
b. feather

Front 37

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

Back 37

a. co-pilots
b. solenoid
1. electrically
2. pops

Front 38

(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 ___

Back 38

1. control linkage
2. dome
3. dome

Front 39

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.

Back 39

1. electrical
2.
a. AIR START, FEATHER
b. fire emergency handle
c. feather
3. ground