HEATED POTABLE WATER HOSES - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) Heated potable water hose removal
(2) Heated potable water hose installation.
TASK 30-71-06-000-801
2. Heated Potable Water Hose Removal
(Figure 401)
A. General
(1) This task gives instructions to remove the Heated Potable Water Hose.
(2) The procedures to remove the hoses are similar. Access to the hoses is either through the aft
cargo compartment or through the floor near the aft lavatory.
B. References
Reference Title
20-10-52-000-801 Flexible Hose Removal (P/B 401)
25-27-15-000-801 Carpet Removal (P/B 401)
25-27-21-000-801 Entry and Service Area Floor Covering - Removal (P/B 401)
25-52-06-000-801 Cargo Compartment Sidewall Lining - Removal (P/B 401)
25-52-10-000-801 Cargo Floor Panel Removal (P/B 401)
25-52-19-000-801 Aft Cargo Compartment Aft Bulkhead Liner - Removal (P/B 401)
38-42-00-800-801 Potable Water System - Deactivation (P/B 201)
SSM 30-71-11 System Schematics Manual
WDM 30-71-12 Wiring Diagram Manual
C. Location Zones
Zone Area
141 Aft Cargo Compartment - Left
142 Aft Cargo Compartment - Right
240 Subzone - Passenger Compartment - Body Station 663.75 to Body Station 1016.00
D. Access Panels
Number Name/Location
822 Aft Cargo Door
E. Prepare for the Removal
SUBTASK 30-71-06-840-001
(1) Remove pressure from the potable water system. To remove the pressure, do this task:
Potable Water System - Deactivation, TASK 38-42-00-800-801.
SUBTASK 30-71-06-860-001
(2) Open these circuit breakers and install safety tags:
CAPT Electrical System Panel, P18-3
Row Col Number Name
D 18 C01463 WASTE/WTR LINE HEATERS
E 5 C00233 HEATERS DRAIN
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-71-06
Page 401
D633A101-ILF Oct 15/2014
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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