Term
| When does the Starter Generator cutoff during start? |
|
Definition
|
|
Term
| When will the FAIL Light come on during start? |
|
Definition
1. If generator speed is less than 12%
2. If generator de-energizes before 57% |
|
|
Term
| For a battery start, the batteries operate in _________ until 12% and then in _________ until 57%. |
|
Definition
|
|
Term
| If an overspeed occurs, the ECU will cut fuel at _______ Np |
|
Definition
|
|
Term
| During a X-Start, wait until battery load is below _______ before starting second engine. |
|
Definition
|
|
Term
| If doing a battery start on second engine (not normal), wait until battery load falls below ________ |
|
Definition
|
|
Term
|
Definition
| Controls fuel to the engine and protects against adverse conditions. |
|
|
Term
|
Definition
1. Mechanical - via the PL's
2. Electrical - via the Torque Motor controlled by the ECU |
|
|
Term
| What does the Bottoming Governor do? |
|
Definition
1. Prevents Np from falling below 73% when PL is in aft position.
2. Enabled at 60% and CL's at/above min RPM
3. Disabled at 20% or CL's below min RPM (i.e. feather) |
|
|
Term
| How does the ECU control reverse? |
|
Definition
| Allows Np to increase to 90% when PL is in reverse |
|
|
Term
| How does the ECU control the Bottoming Governor? |
|
Definition
1. Prevents Np from falling below 73% when PL is in aft position.
2. Enabled at 60% and CL's at/above min RPM
3. Disabled at 20% or CL's below min RPM (i.e. feather) |
|
|
Term
| How does the ECU control the APR? |
|
Definition
| When armed, automatically increases torque 30 (ft/lb) on good engine in event of an engine failure. |
|
|
Term
| How does the ECU control Constant Torque? |
|
Definition
| Keeps the selected CT setting on the engines once the button is pushed and PL's are fwd of lower microswitch. |
|
|
Term
| The HMU prevents fuel to the engine during start until _______ |
|
Definition
| 12% (fuel not at pressure until then) |
|
|
Term
| HMU will cut fuel if Ng reaches _______ |
|
Definition
|
|
Term
|
Definition
Deactivates the torque motor.
Lose BRAC
Cannot be reactivated until CL is moved to cutoff |
|
|
