Autostart System Flashcards
What are the Primary and Backup sources for the Aircraft brakes?
Primary 28VDC
Backup Main battery
Which condition does the Autostart system Not monitor during engine start ?
Insufficient Air Pressure for starter operation
The Primary Engine indications on EICAS are:
TPR
N1
EGT
How many attempts does the Autostart system make before aborting a ground start?
Two
During ground starts, the autostart system monitors engine parameters and ABORTS the start for any of the following:
• loss of both starters
• no N1 rotation
During ground starts, the autostart system monitors engine parameters and attempts to CORRECT the start for any of the following:
compressor stall
• hot start
• hung start
• loss of one starter
• no EGT rise
• start time exceeds the starterduty cycle timer
During autostart, the EEC monitors what specific Engine parameters ?
During autostart, the EEC monitors EGT, N2 RPM, N3 RPM
What are the two power sources that can provide starter power?
The APU and the forward external power.
Normally, APU power is used to drive the engine starters.
What is initiated by selecting the battery switch to ON ?
The L CCR start up sequence
For Engine Start the Oil temperature must be
Greater than - 40 * C