ASSEMBLY - MOTOR-PUMP-FILTER 38-32-62 Removal/Installation 401 [*] [*] FREIGHTERS
ASSEMBLY - WASTE DRAIN VALVE 38-32-69 Removal/Installation 401 [*] [*] FREIGHTERS
BOWL AND SEPARATOR - TOILET 38-32-66 Removal/Installation 401 [*] [*] FREIGHTERS
FITTING - RINSE 38-32-70 Removal/Installation 401 [*] [*] FREIGHTERS
SENSOR - FLUID LEVEL 38-32-68 Removal/Installation 401 [*] [*] FREIGHTERS
SWITCH - FLUSH 38-32-64 Removal/Installation 401 [*] [*] FREIGHTERS
TANK - TOILET 38-32-65 Removal/Installation 401 [*] [*] FREIGHTERS
38-CONTENTS
GUN Page 5 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
CHAPTER 38 - WATER/WASTE
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject ____ Effectivity_______ Page ___________
TIMER - TOILET FLUSH 38-32-61 Removal/Installation 401 [*]
[*] FREIGHTERS
TOILET WASTE SYSTEM 38-32-60 Description and Operation 1 [*] General 1 Assembly-Motor-Pump-Filter 2 Bowl and Tank - Toilet 2 Control 5 Fitting - Rinse 5 Line - Overflow 3 Line - Tank Drain 3 Panel - Toilet Service 4 Sensor - Fluid Level 3 Separator - Water 2 Spray Nozzles - Tank 2 Timer - Flush 2 Valve - Ball 4 Valve - Rinse Shutoff 3 Valve - Tank Drain 3 Valve Assembly - Service 4 Panel Drain Operation 5 [*] FREIGHTERS
Maintenance Practices 201 [*] [*] FREIGHTERS
Adjustment/Test 501 [*] General 501 [*] FREIGHTERS
VALVE - BALL 38-32-71 Removal/Installation 401 [*]
[*] FREIGHTERS
38-CONTENTS
GUN Page 6 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 38 - WATER/WASTE
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
VALVE - RINSE LINE SHUTOFF 38-32-67 Removal/Installation 401 [*] [*] FREIGHTERS
VALVE - TOILET TANK DRAIN 38-32-63 Removal/Installation 401 [*] [*] FREIGHTERS
38-CONTENTS
GUN Page 7 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
WATER/WASTE - DESCRIPTION AND OPERATION
_______________________________________
1. General (Fig. 1)_______
A. The water and waste systems provide water for and disposes waste water from the galley and lavatory washbasin. The self-contained toilet system collects toilet waste which is drained by ground service. For flow diagram, see Fig. 1.
B. The water system includes servicing, pressurization, indication, storage, distribution, and heating for water to the galley and lavatory washbasin.
C. The waste water system collects waste water from the galley and lavatory compartment washbasin and dumps it overboard through a drain mast.
D. The toilet in the lavatory compartment collects toilet waste. The toilet is flushed by chemical fluids that are pumped through a filter into the toilet bowl, and the fluids move the contents from the bowl into the toilet tank. The tank is drained, flushed and serviced at the toilet service panel.
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38-00-60
ú ú 01 Page 1 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
LEGEND
AIR
FRESH WATER
WASTE WATER
TOILET WASTE
Waste and Water System Flow Diagram
Figure 1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú
38-00-60
ú ú 01 Page 2 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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