Boeing 737-800 - 10 Controls and Indicators; Bleed Air Controls and Indicators

737 Flight Crew Operations Manual
Air Systems Chapter 2
Controls and Indicators Section 10
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 2.10.1
10 Controls and IndicatorsControls and IndicatorsFile Highlight
Bleed Air Controls and Indicators
1 DUAL BLEED Light
Illuminated (amber) – APU bleed air valve open and engine No. 1 BLEED air
switch ON, or engine No. 2 BLEED air switch ON, APU bleed air valve and
isolation valve open.
2 ISOLATION VALVE Switch
CLOSE – closes isolation valve.
AUTO –
• closes isolation valve if both engine BLEED air switches are ON and
both air conditioning PACK switches are AUTO or HIGH
• opens isolation valve automatically if either engine BLEED air or air
conditioning PACK switch positioned OFF.
OFF
ON
1
OFF
HIGH
PACK
WING-BODY
OVERHEAT
ON
2
BLEED
TRIP OFF
R RECIRC FAN
OVHT
OFF
VALVE
CLOSE
AUTO
OPEN
OFF
AUTO
WING
ANTI
ICE
TEST
TRIP
BLEED
ISOLATION
DUAL
BLEED
RAM DOOR
FULL OPEN
L PACK
RESET
R PACK
APU
AUTO
OFF
RAM DOOR
FULL OPEN
WING
ANTI
ICE
AUTO
HIGH
40
60
80
20
0
DUCT
PRESS
PSI
L
R
PACK
WING-BODY
OVERHEAT
BLEED
TRIP OFF
L RECIRC FAN
OFF
AUTO
1
2
3
4
5
8
9
FORWARD OVERHEAD PANEL
6
7
September 27, 2012