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is on, the pressure in the manifold causes the check valve to
close.
Before you install the duct and check valve assembly, you must
do an inspection of the check valve to make sure the spring
holds the check valve open a short distance. Adjust the hinge if
necessary and do a test of the check valve for correct operation.
AIR CONDITIONING - MAIN AIR DISTRIBUTION - GROUND CONDITIONED AIR CONNECTOR
EFFECTIVITY
GUN 001-099, 201-999 21-21-00
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-21-00-802
AIR CONDITIONING - MAIN AIR DISTRIBUTION - GROUND CONDITIONED AIR CONNECTOR
AIR CONDITIONING - MAIN AIR DISTRIBUTION - GROUND CONDITIONED AIR CONNECTOR
EFFECTIVITY
GUN 001-099, 201-999 21-21-00
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D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-21-00-802
THIS PAGE IS INTENTIONALLY LEFT BLANK
21-22-00
Page 1
D633A101-GUN Oct 10/2002
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
Purpose
The flight compartment conditioned air distribution system
supplies conditioned air to the flight crew.
General
The left air conditioning pack supplies the conditioned air for the
flight compartment. The air flows through ducts that go forward
along the left side of the airplane. The flight compartment
distribution uses different ducts than the passenger
compartment distribution.
The flight compartment gets conditioned air from the right pack
if the left pack is not operational.
The flight compartment distribution lets the flight crew select a
different air temperature than the other areas of the airplane.
Flight Compartment Distribution
The flight compartment has these captain and first officer
diffusers and outlets:
* Overhead outlets and gasper
* Underseat diffusers
* Foot air diffusers
* Windshield air diffusers
* Sidewall outlets (shoulder warmers)
* Individual panel gaspers.
You can adjust the overhead outlets airflow direction with a
moveable baffle. Airflow cannot be shut off.
The air distribution supply ducts in the flight compartment
include metering orifices and mufflers. The metering orifices
control flow. The mufflers decrease air noise.
AIR CONDITIONING - FLIGHT COMPT COND AIR DISTRIBUTION - INTRODUCTION
EFFECTIVITY
GUN 101-118 21-22-00
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-22-00-001
AIR CONDITIONING - FLIGHT COMPT COND AIR DISTRIBUTION - INTRODUCTION
AIR CONDITIONING - FLIGHT COMPT COND AIR DISTRIBUTION - INTRODUCTION
EFFECTIVITY
GUN 101-118 21-22-00
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D633A101-GUN Oct 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-22-00-001
Purpose
The windshield and foot air outlet valves control airflow to the
captain and first officer windshield outlets and foot outlets.
Location
The windshield outlets are forward of the captain and first
officer glareshield. They supply airflow up and along the
windshield pane. The windshield and foot air outlet valves are
forward of the rudder pedals. The foot air outlets are inside the
captain and first officer rudder pedal housings.
Physical Description
There are two segmented disks inside the windshield and foot
air outlet valve housing. The disk position controls airflow from
the valve. The segmented disk connects to the air outlet valve
control cable to change the disk position.
Operation
The captain and first officer windshield and foot air outlet valves
have manual control. The controls are on the lower portion of
the P1 and P3 panels. The controls are WINDSHIELD AIR and
FOOT AIR. They attach to push-pull control cables. The control
cables turn the segmented disks inside the valves. You pull the
knob to open the valve.
Training Information Point
Nuts on the control cables adjust the windshield air valve or foot
air outlet valve.
AIR CONDITIONING - FLIGHT COMPT COND AIR DISTRIBUTION - WINDSHIELD AND FOOT AIR OUTLET VALVE
EFFECTIVITY
GUN 101-118 21-22-00
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D633A101-GUN Oct 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
　
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