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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-895
AIR CONDITIONING - COOLING - WATER COLLECTION MANIFOLD
AIR CONDITIONING - COOLING - WATER COLLECTION MANIFOLD
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.21
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-895
Purpose
The water spray nozzle takes water from the air conditioning
pack water extractor devices and injects it into the ram air inlet
duct.
Location
There are two water spray nozzles, one for each air
conditioning pack. They are on the outboard bulkhead of the
air conditioning compartments.
Physical Description
The water spray nozzles have these parts:
* Water line inlets
* Spray nozzle.
Functional Description
Water extractor devices remove water in the air conditioning
pack airstream. Lines carry the water from the extractors to the
water spray nozzles. The water spray nozzle injects the water
into the ram air duct. This cools the ram air stream by
evaporation.
Training Information Point
If there is a clogged nozzle, a drain on the HPWS dumps the
water into the air conditioning bay so it will not go into the air
cycle machine turbine.
AIR CONDITIONING - COOLING - WATER SPRAY NOZZLE
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.22
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-822
AIR CONDITIONING - COOLING - WATER SPRAY NOZZLE
AIR CONDITIONING - COOLING - WATER SPRAY NOZZLE
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.23
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-822
Purpose
The high pressure water separator mix muff mixes the warm air
from the pack temperature control valves with the cold
discharge air from the air cycle machine turbine.
Location
There are two high pressure water separator mix muffs. They
are in the air conditioning pack compartments between the air
cycle machines and the condensers.
Physical Description
The high pressure water separator mix muffs have these parts:
* Temperature control valve inlets
* Turbine discharge inlet
* Outlet
* Air cycle machine de-icing line boss.
Functional Description
The high pressure water separator mix muffs are duct
manifolds. They have interior baffles to mix the hot and cold
input airstreams.
AIR CONDITIONING - COOLING - HIGH PRESSURE WATER SEPARATOR MIX MUFF
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.24
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-823
AIR CONDITIONING - COOLING - HIGH PRESSURE WATER SEPARATOR MIX MUFF
AIR CONDITIONING - COOLING - HIGH PRESSURE WATER SEPARATOR MIX MUFF
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.25
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-823
Purpose
The conditioned air check valve lets one-way air flow from the
pack to the main distribution manifold.
The packs supply pressurized air through the check valve to the
distribution system. The check valve prevents airflow from the
pressurized distribution system to the unpressurized air
conditioning compartment.
Location
The conditioned air check valve is in the forward section of the
air conditioning bay.
Physical Description
The conditioned air check valve is a swing type check valve. An
arrow on the outside of the valve shows the flow direction.
There is one conditioned air check valve in each pack system.
Functional Description
The check valve prevents airflow to the pack. It opens to permit
air flow from the air conditioning pack to the main distribution
manifold.
AIR CONDITIONING - COOLING - CONDITIONED AIR CHECK VALVE
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.26
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-828
AIR CONDITIONING - COOLING - CONDITIONED AIR CHECK VALVE
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