Engine Start

Question 1

Duct pressure required for engine start

Answer 1

25-60 psi

Question 2

For cross starts, up to ___ N2 can be required to obtain minimum duct pressure of ___

As a technique, set power for ___

Answer 2

80% N2
25 PSI

35 PSI

Question 3

No N2

Procedure?

Answer 3

Engine will not turn

Question 4

Start valve fails to function

Procedure?

Answer 4

Start valve manual operation

Question 8

Do not move start lever to start without ___

Answer 8

Definite indication of N1 RPM (either visually, or on engine instruments)

Question 9

Where is the no N1 rotation procedure?

Answer 9

Engine Start Procedure Figure 2-2

Stop start

Question 12

Fuel flow at light off is normally _____

Answer 12

Less than 1000 pph

Question 13

Where is the no oil pressure procedure?

Answer 13

Engine Starting Procedure Figure 2-2

(Continue motor) stop start if no oil pressure observed within 30 sec of start initiation

Question 15

Where and what is the no cutout procedure?

Answer 15

Engine Starting Procedure Figure 2-2

If starter fails to cutout by 40% N2, FE calls NO CUTOUT; pilot calls STOP START

Start lever CUTOFF
Close wing isolation valve and remove bleed air source by 45% N2

Question 16

Sustained fuel flow of _____ at light off indicates a possible hot start

Answer 16

1400 pph

Question 17

EGT does not rise within 20 seconds after start lever is moved to START

Procedure?

Answer 17

Wet or Hot Start

Question 18

Gen LOW RPM light extinguishes at ___

Answer 18

57% N2

Question 19

N1 idle RPM

Answer 19

25% minimum

Question 20

Max Idle EGT

Answer 20

340°C

Question 21

N1 or N2 not increasing or increasing slowly while EGT is increasing

Procedure?

Answer 21

Hung Start

Question 22

OIL PRESS caution light should extinguish within ___

If it doesn’t extinguish, ___

Answer 22

30 seconds of engine stabilizing at idle

• Increase N2 to 90%
• With oil pressure at 40-55 psi, light should extinguish.
• If light does not extinguish, or comes back on when power is reduced to idle, shut down the engine

Engine Starting Procedure Figure 2-2

Question 23

EGT rising rapidly or above 450°C

Procedure?

Answer 23

Wet or Hot Start

Note time in the following ranges
450-575
575-585

Question 24

Move start lever to idle at ___

Answer 24

35% N2 when engines indicate a normal start

Question 25

Ignition should occur within _____ and is indicated by _____

Answer 25

20 sec

Rise in EGT

Question 27

Fuel flow peaks during engine acceleration at _____

Answer 27

1600-1800 pph

Question 36

N2 should reach idle RPM of ___ within ___

Answer 36

58-62%

2 minutes of start lever to idle (no load)

If generator under load does not stabilize, remove load and allow additional 5 minutes to stabilize

If engine does not stabilize at idle, move start lever to CUTOFF and alert maintenance

Question 38

N2 RPM must be at least ___ to bring first two generators online

Answer 38

62%

Question 40

Fuel flow stabilized at idle at _____

Answer 40

1100 pph