曝光台 注意防骗
网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者
EFFECTIVITY
GUN 201-999 38-31-00
Page 6
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
38-31-00-005
THIS PAGE IS INTENTIONALLY LEFT BLANK
W/W - GRAY WATER SYSTEM - WASTE WATER SYSTEM
38-31-00
Page 7
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
Purpose
The forward gray water drain valve lets water drain from the
level part of the forward waste water drain system when the
airplane is on the ground.
Location
The drain valve is at the left side of the EE compartment,
outboard of the E1 rack.
Physical Description
The forward gray water drain valve has these parts:
* Inlet port
* Outlet port
* Motor
* Spring housing
* Electrical connector.
Functional Description
The forward gray water drain valve operates when the airplane
is on the ground. Bus 1 supplies 28v dc through the GROUND
contact of the air/ground relay. The forward gray water drain
valve opens to let water in the forward waste water system
drain overboard.
The forward gray water drain valve is spring-loaded to the
closed position.
W/W - GRAY WATER SYSTEM - FORWARD GRAY WATER DRAIN VALVE
EFFECTIVITY
GUN 201-999 38-31-00
Page 8
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
38-31-00-002
W/W - GRAY WATER SYSTEM - FORWARD GRAY WATER DRAIN VALVE
W/W - GRAY WATER SYSTEM - FORWARD GRAY WATER DRAIN VALVE
EFFECTIVITY
GUN 201-999 38-31-00
Page 9
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
38-31-00-002
Purpose
The drain masts let waste water from the lavatory and galley
sinks flow overboard.
The drain masts have internal heaters that keep the waste
water from freezing.
Location
There are two drain masts on the lower fuselage.
The forward drain mast is on the bottom of the fuselage, forward
of the right air conditioning compartment.
The aft drain mast is on the bottom of the fuselage, aft of the aft
cargo compartment.
Physical Description
The drain mast is an aerodynamic fairing that attaches to the
fuselage.
Each drain mast has an internal 250 watt heater.
See the Water and Toilet Drain Anti-Icing System section for
information on the drain mast heaters. (SECTION 30-71).
Training Information Point
The heater on the forward drain mast connects to the airplane
wiring through an electrical connector.
The heater on the aft drain mast connects to the airplane wiring
through wire splices. When you replace the aft drain mast, you
must make a splice in the wires.
CAUTION: WHEN YOU REMOVE THE FASTENERS, HOLD THE
DRAIN MAST. IF THE DRAIN MAST FALLS,
DAMAGE CAN OCCUR.
W/W - GRAY WATER SYSTEM - DRAIN MAST
EFFECTIVITY
GUN ALL 38-31-00
Page 10
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
38-31-00-001
W/W - GRAY WATER SYSTEM - DRAIN MAST
W/W - GRAY WATER SYSTEM - DRAIN MAST
EFFECTIVITY
GUN 001-099, 101-118 38-31-00
Page 11
D633A101-GUN Oct 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
38-31-00-001
W/W - GRAY WATER SYSTEM - DRAIN MAST
W/W - GRAY WATER SYSTEM - DRAIN MAST
EFFECTIVITY
GUN 201-999 38-31-00
Page 12
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
38-31-00-001
THIS PAGE IS INTENTIONALLY LEFT BLANK
W/W - GRAY WATER SYSTEM - DRAIN MAST
38-31-00
Page 13
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
Purpose
The door sill drain system removes rain water from the door sill
areas.
Physical Description
The door sill drain system has these components:
* Door sills
* Door sill drains
* Drain hose
GUN 001-004, 201-999
* Bladders
GUN 005-099, 101-118
* Drain Valve
GUN ALL
* Drain fittings.
GUN 001-004, 201-999
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：
WATER AND WASTE(13)
