Removal of the Nozzle Assembly

TASK 38-12-41-000-006-A-01
Removal of the Nozzle Assembly

1. Reason for the Job

NOTE: This is an alternative task to remove the nozzle assembly with a different tool.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	CONTAINER 10 L(2 1/2 USGAL)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
90104701	1	KEY

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
Nozzle Assembly ** ON A/C NOT FOR ALL
Nozzle Assembly ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 38-12-41-861-062-A ** ON A/C NOT FOR ALL

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

Subtask 38-12-41-010-063-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Install the hoses on drain masts 4DU and 14DU.
(2) Put a CONTAINER 10 L(2 1/2 USGAL) below drain masts 4DU and 14DU.
(3) Put the ends of the hoses into the CONTAINER 10 L(2 1/2 USGAL).
(4) In the lavatory, turn the potable-water shutoff valve to the CLOSED position.
(5) In the lavatory, operate the water faucet until no more water flows into the washbasin.

Subtask 38-12-41-865-082-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-A	32MG	A01
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-E	34MG	A04
2001VU	VACU TOIL SYS-LAV PWR-D	39MG	A03
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-G	34MG	A04
2001VU	VACU TOIL SYS-LAV PWR-F	39MG	A03
2001VU	VACU TOIL SYS-LAV PWR-D	45MG	A02
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-L	45MG	A02

Subtask 38-12-41-941-053-A ** ON A/C NOT FOR ALL

D. Safety Precautions
(1) Put the WARNING NOTICE(S) in position to tell persons not to use the toilet(s) or open the potable-water shutoff valve(s).

4. Procedure
Subtask 38-12-41-020-062-A ** ON A/C NOT FOR ALL

A. Removal of the Nozzle Assembly

NOTE: The procedure for the removal of the nozzle assembly is the same for all the lavatories.

(1) Make marks on items before you disassemble them to prevent errors when you assemble them.
(2) Use a 90104701 KEY (4) to remove the nozzle assembly (5) from the water faucet outlet (1).
(3) Remove the washer (2) from the nozzle (3).

[Rev.10 from 2021] 2026.04.02 06:25:40 UTC