Removal of the Water Heater

TASK 38-12-16-000-001-A
Removal of the Water Heater

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 200

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

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	1	CONTAINER 1 L (1/4 USGAL)
No specific	1	FLASHLIGHT
No specific	1	MIRROR - INSPECTION, FLEXIBLE
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

D. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 38-10-00-614-002-A	Depressurization of the Potable Water System
Water Heater

3. Job Set-up
Subtask 38-12-16-861-051-A

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

Subtask 38-12-16-614-050-A

B. Depressurize the potable water system (Ref. AMM TASK 38-10-00-614-002).

Subtask 38-12-16-865-058-A

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	LAV FWD & MID-HOT WATER-A	1MB	F02
** ON A/C NOT FOR ALL
2000VU	LAV FWD-HOT WATER-A	1MB	F02
** ON A/C NOT FOR ALL
2001VU	LAVATORY AFT-HOT WATER-D	2MB	B02
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER-E	9MB	B03
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER-D	2MB	B02
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER-G	9MB	B03
2001VU	LAV AFT-HOT WATER-D/F	2MB	B02
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER	9MB	B03
2001VU	LAV AFT-HOT WATER	2MB	B02
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER-E/L	9MB	B03
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER-L	9MB	C04
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER-D/L	2MB	B02
** ON A/C NOT FOR ALL
2001VU	LAV AFT-HOT WATER-M	9MB	B03

Subtask 38-12-16-010-050-B

D. Get Access
(1) Get access to the lavatory.
(2) Turn the shutoff valve (9) to the CLOSED position.
(3) Turn the switch (7) to the OFF position:
(a) If necessary, use a FLASHLIGHT and MIRROR - INSPECTION, FLEXIBLE to find the switch (7) of the water heater (1).
(4) Push the water faucet to release the pressure from the water heater (1).

4. Procedure

WARNING: DO NOT TOUCH THE WATER HEATER UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).

Subtask 38-12-16-020-052-C

A. Removal of the Water Heater (1)
(1) Put a CONTAINER 1 L (1/4 USGAL) below the water heater to collect the unwanted water.
(2) Disconnect the electrical connector (8).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Remove the nut (5) and disconnect the bonding strap (6).
(5) Disconnect the pipes (3) and (4) from the water heater (1).
(6) Remove the clamps (2).
(7) Remove the water heater (1).
(8) Put the PLUG-BLANKING in each disconnected line end.
(9) Dry the area with a lint-free cotton cloth, Textile-Lint free Cotton - (Material No.14SBA1) .

[Rev.10 from 2021] 2026.04.02 06:25:39 UTC