Anti-Ice System
The anti-ice valve is spring loaded ____?
Open
What energizes the start system?
Jet Fuel start switch
How many modes of operation does the engine have?
4
How many fan inlet guide vanes are there on the F110-GE-100? How many on the F110-GE-129?
17/13
What am I?
-Portable device
-used to download/upload engine data
Common engine transfer system unit
Where does anti-ice air come from?
Core 5th stage bleed air
When is fuel and ignition introducted into the JFS
at 5% JFS RPM
Which mode of operation?
-DEC yields all (except dan limiting) authority to the MEC
-Augmenter functionality is lost, nozzle closes
-IGVs close
Secondary mode
What controls the IGV angle and is operated by servo-fuel?
Fan IGV actuator
What does a ground station unit consist of?
Computer, printers and software
The IGV struts are _______ for anti-ice.
Hallow
What sores pressurized hydraulic fluid for engine starts
Hydraulic accumulators
Which mode of operation?
-VSV position and fuel flow responsibility transfers to MEC
-May be reset if no faults present
Hybrid Mode
How many compressor VSV actuators do we have?
two
What component?
-Receives data from the DEC
-operates in all control modes
-fault isolates
-mounted on aircraft
Engine Monitoring System Computer
During engine starts the anti-ice valve is held open to prevent what?
Compressor stalls
When does the HSM disengage
at 70% JFS RPM
Which mode of operation?
-DEC has full authority
-Normal operating mode
Primary mode
The Upper compressor vsv actuator sends a ____ signal and the lower compressor VSV actuator send a ____ signal?
Electrical then Mechanical
One person say the ABCs backwards in your group.
Nice.
What are check valves and annular cavity in compressor stator cases?
5th stage bleed air extractors
When does the JFS disengage?
When the PTO reaches 8000 RPM
Which mode of operation?
-VSV position responsibility transferred to the MEC
-May be reset if no faults present
Hybrid VSV mode
What transmits mechanical signal from actuator the the MEC
VSV feedback cable
What indicated low oil or hydraulic pressure across all aircraft systems
HYD/OIL pressure warning light