Pressurization of the Potable Water System with the Compressor

TASK 38-10-00-614-003-A
Pressurization of the Potable Water System with the Compressor

FIN: 8MD ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
171AL

C. Referenced Information

REFERENCE	DESIGNATION
TASK 12-15-38-613-001-A	Fill the Potable Water Tank System (Aircraft Electrical Power Available)
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power

3. Job Set-up
Subtask 38-10-00-861-054-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 38-10-00-010-056-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) in position at Zone 171.
(2) Open the service door 171AL.

Subtask 38-10-00-865-055-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	WATER-SYSTEM-DEPRESS	1MD	F03
** ON A/C NOT FOR ALL
2001VU	WATER SYS-AIR-COMPRESSOR	19MD	F01
** ON A/C NOT FOR ALL
2001VU	WATER-SYSTEM-DEPRESS	1MD	D05

Subtask 38-10-00-613-055-A ** ON A/C NOT FOR ALL

D. Fill the potable water system (Ref. AMM TASK 12-15-38-613-001).

4. Procedure
Subtask 38-10-00-614-059-A ** ON A/C NOT FOR ALL

A. Pressurization of the Potable Water System
(1) Close the service door 171AL.

NOTE: The air pressure boost system automatically operates and pressurizes the potable water system when you close the service door 171AL.

5. Close-up
Subtask 38-10-00-862-053-A ** ON A/C NOT FOR ALL

A. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

Subtask 38-10-00-410-062-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 04:23:09 UTC