Subject Subject No.
WASTE DISPOSAL
WASTE WATER SYSTEM.......................................................................................... 38-31-0
Description and Operation
Lavatory Sinks
Waste Water Drain Mast
Waste Water Plumbing
Maintenance Practices
Waste Water Drain Mast and Heater....................................................................... 38-31-21 Removal/Installation
TOILET SYSTEM........................................................................................................ 38-32-0
Description and Operation
Toilet Flushing Components
Toilet Service Panels
Toilet Shroud Assemblies
Toilet Waste Tank Assemblies
Trouble Shooting
Maintenance Practices
Adjustment/Test
Inspection/Check
Cleaning/Painting
Toilet Timer .............................................................................................................. 38-32-11 Removal/Installation
Toilet Flush Motor .................................................................................................... 38-32-21 Removal/Installation
Toilet Filter ............................................................................................................... 38-32-22 Cleaning/Painting
Toilet Drain Valve..................................................................................................... 38-32-31 Removal/Installation Inspection/Check
Toilet Drain Valve Control Cable ............................................................................. 38-32-41 Removal/Installation
Toilet Ground Flush Line.......................................................................................... 38-32-42 Removal/Installation
Toilet Waste Tank .................................................................................................... 38-32-51 Removal/Installation
SERVICE PANEL........................................................................................................ 38-32-81 Service Panel Drain Valve Maintenance Practices
Waste Tank Drain Duct Nipple
Removal/Installation
5C8 Contents 38 May 01/00 Page 2
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Subject Subject No.
AIR SUPPLY
WATER TANK PRESSURIZATION SYSTEM............................................................ 38-41-0
Description and Operation
Air Filter
Pressure Regulator
Pressure Relief Valve
Maintenance Practices
Water Tank Pressurization System Filter ................................................................ 38-41-11 Servicing Removal/Installation
Water Tank Pressure Relief Valve........................................................................... 38-41-51 Removal/Installation Adjustment/Test
Water Tank Pressure Regulator .............................................................................. 38-41-52 Removal/Installation Adjustment/Test
*[1] Airplanes with Forward Lavatories incorporating SB 38-1043
500
May 01/00 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Contents 38 Page 3
WATER AND WASTE – DESCRIPTION AND OPERATION
1. General
A. The water and waste system is composed of four independent but related systems (Fig. 1). The passenger water system stores, delivers, monitors, and controls drinkable (portable) water for the galley unit(s) and lavatory component(s) (Ref 38-11-0). This system contains electric water heaters that heat the water supplied to the hot water taps in the lavatory sinks. The toilet system provides sanitary toilets in the lavatory compartments and a means to dispose of toilet waste. The waste water system disposes of waste water as shown on Fig. 1 (Ref 38-31-0). The water tank pressurization system causes the passenger water system to be evenly pressurized at all times (Ref 38-41-0).
535
Aug 1/74 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 38-00 Page 1
F89688
Water and Waste Block Diagram 527
38-00 Figure 1 Jun 20/83
Page 2
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
PASSENGER WATER SYSTEM - DESCRIPTION AND OPERATION
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