Super 80 Professional – AOM
NORMAL PROCEDURES
Section 3 Page 23
Super 80 Professional – Aircraft Operating Manual
Coolsky, 2018
ENGINE START
ENGINE START (Procedure)
1.
Before starting an engine you need a pneumatic pressure source. This can be bleed air
from either the APU or bleed air from the other engine if that has already been started.
2.
For a Crossbleed Start (bleed air from running engine) make sure both Pneumatic X-Feed
handles are open (up position).
3.
For APU bleed air start, the APU must be running and… (Please refer to the APU START
procedure guide on how to start the APU)
4.
…the APU Air switch must be set to ON…
5.
…and the Pneumatic X-Feed handle for the engine you are about to start must be set to
OPEN. Set the left Pneumatic X-Feed handle to OPEN (up).
6.
Check the Pneumatic Pressure Gauge. Optimum starting pressure is about 30-38 PSI.
7.
Open the guard to the Left Engine Starter switch and set the switch to GND.
8.
Check that the L START VALVE OPEN light comes on.
9.
Check that the pneumatic pressure remains above 25 PSI. If the pneumatic pressure
drops below 25 PSI, be alert for a hung or hot start.
10.
Check for increasing oil pressure.
11.
Check for increasing N
2
.
12.
Check for increasing N
1
.
13.
Check for increasing hydraulic pressure.
14.
At maximum motoring (minimum 20% N
2
)…
15.
…set the left Fuel Lever to ON. (Under the throttle handle)
16.
Monitor N
1
, EGT, N
2
and Fuel Flow.
17.
At 40% N2…
18.
…set the Left Engine Starter switch back to OFF and put the guard back on.
19.
Check that N
2
stabilizes at about 50-60%.