Removal of the Toilet Flush Switch

TASK 38-31-19-000-001-A
Removal of the Toilet Flush Switch

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

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	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
Toilet Flush Switch ** ON A/C NOT FOR ALL
Toilet Flush Switch ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 38-31-19-861-050-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 38-31-19-865-053-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACUUM-SYS	35MG	A06
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACUUM-GEN	33MG	A08
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-E	34MG	A04
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-D	39MG	A03
** ON A/C ALL
2001VU	VACU TOIL SYS-LAV PWR-A	32MG	A01
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACU-SYS	35MG	A06
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACU-GEN	33MG	A08
** 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
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-L	23MG	A05
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-M	34MG	A04

Subtask 38-31-19-010-050-A

C. Get access to the lavatory.

4. Procedure
Subtask 38-31-19-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Toilet Flush Switch
(1) Remove the screws (1) and the frame (2).
(2) Remove the screws (4) and the washers (5).
(3) Pull the plate assembly (3) out of its position.
(4) Identify the electrical wires before you disconnect them.
(5) Loosen the screws (10) and (11).
(6) Disconnect the electrical wires (9) and (12).
(7) Remove the screws (8) and the washers (7).
(8) Remove the microswitch (13).

Subtask 38-31-19-020-050-B ** ON A/C NOT FOR ALL

A. Removal of the Toilet Flush Switch
(1) Put a small screwdriver into the slot on the lower side of the front plate (4) and carefully remove the front plate (4).
(2) Identify the electrical connectors before you disconnect them.

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.

(3) Disconnect the electrical connectors (3).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Remove the screws (1) and the housing (2).

[Rev.10 from 2021] 2026.04.01 01:20:19 UTC