Engined day 3 Flashcards
Where is the ignition unit located?
On the r/h side of the compressor casing
Where are the start and stop electro valves located?
on top of the centrifugal compressor casing.
Where are the ignitor plugs?
2 o’clock and 10 o’clock of the combustiuon chamber
How many bleed valves are on the engine?
1
What is the engine internal air system used for?
pressurizing labyrinth seals, cooling internal components, and balancing the forces on internal rotating parts
How many volts does the P3 Px Transmitter need?
10V
Where is the T1 temperture probe is installed?
in the engine intake before the axial compressor
What is the function of the T1 temperture probe?
the data provided is used by the EECU to compute the fuel control and engine limits
What is the T1 temperture probe made from?
Platinum
What is the purpose of the bleed air valve?
to bleed excessive P2.4 air to prevent a compressor surge.
Which air tapping is at the outlet of the centrifugal compressor?
P2.6
What purges the starter injectors?
P3 air
What is the purpose of the LVDTs?
to inform the EECU of the position and movement of each collective lever.
What does the ultimate back-up mode do?
enables the operation of the engine, in case of a level 3 failure of the EECU
The metering unit is part of what control?
the engine control
Which system are the starter injectors part of, engine or airframe?
engine components