Removal of the Electronic Control Box

TASK 38-12-41-000-005-A
Removal of the Electronic Control Box

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

3. Job Set-up
Subtask 38-12-41-861-053-A ** ON A/C NOT FOR ALL

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

Subtask 38-12-41-010-057-A ** ON A/C NOT FOR ALL

B. Get Access to the Lavatory
(1) Open the door of the sanitary cabinet.

Subtask 38-12-41-865-054-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-M	34MG	A04
2001VU	VACU TOIL SYS-LAV PWR-D	39MG	A03
2001VU	VACU TOIL SYS-LAV PWR-L	45MG	A02
2001VU	VACU TOIL SYS-LAV PWR-A	32MG	A01

Subtask 38-12-41-860-057-A ** ON A/C NOT FOR ALL

D. Aircraft Maintenance Configuration
(1) Depressurize the potable water system (Ref. AMM TASK 38-10-00-614-002)

4. Procedure
Subtask 38-12-41-020-054-A ** ON A/C NOT FOR ALL

A. Removal of the Electronic Control Box
(1) Disconnect the connectors (4), (5), (6) and (7) from the electronic box (1).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the screws (3) and the washers (2).
(4) Remove the electronic box (1).

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