Deactivation of the Galley Supply System

TASK 24-51-00-040-001-A
Deactivation of the Galley Supply System

1. Reason for the Job
MMEL 24-26-02B
GALY & CAB MANUAL LOAD SHED SYSTEM (GALY & CAB PB-SW)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	PLACARD

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)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure

3. Job Set-up
Subtask 24-51-00-861-051-B ** ON A/C NOT FOR ALL

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

Subtask 24-51-00-865-052-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	ELEC/GALY & CAB/CTL	1XA	S26
122VU	ELEC/GALY & CAB/FAULT/LT CTL	8XA	S25
122VU	ELEC/GALY & CAB/GND/FLT/LOGIC	7XA	S24
2000VU	CAB LIGHT PWR-CEILING-AFT	307LG	H08
2000VU	CAB LIGHT PWR-CEILING-AFT	304LG	H07
2000VU	CAB LIGHT PWR-CEILING-FWD	306LG	H06
2000VU	CAB LIGHT PWR-CEILING-FWD	305LG	H05
2000VU	CAB LIGHT PWR-WINDOW-AFT	302LG	H04
2000VU	CAB LIGHT PWR-WINDOW-AFT	301LG	H03
2000VU	CAB LIGHT PWR-WINDOW-FWD	303LG	H02
2000VU	CAB LIGHT PWR-WINDOW-FWD	300LG	H01

Subtask 24-51-00-860-058-B ** ON A/C NOT FOR ALL

C. In the forward and aft galleys, make sure that all the circuit breakers are closed.

Subtask 24-51-00-860-052-G ** ON A/C NOT FOR ALL

D. Aircraft Maintenance Configuration
(1) On the overhead ELEC panel 35VU, make sure that the GALY & CAB pushbutton switch is pushed (OFF legend is off).
(2) On this panel, make sure that the ELEC/COMMERCIAL pushbutton switch is released (OFF legend is on).
(3) On the FWD Attendant Panel (FAP), make sure that the MAIN ON pushbutton switch is set to ON (the green lights of the CABIN WDO and CABIN CLG pushbutton switches are on).
(4) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).

Subtask 24-51-00-860-052-I ** ON A/C NOT FOR ALL

Push the hard key LIGHT MAIN ON/OFF to get the lights on, and
On the CABIN LIGHTING page make sure that AISLE and WDO buttons are green.

(4) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).

4. Procedure
Subtask 24-51-00-040-050-B ** ON A/C NOT FOR ALL

A. Deactivation of the Galley Supply System
(1) Test of the Commercial Electrical Load-Shedding

ACTION	RESULT
1.On the ECAM control panel: Get the ELEC system page.	On the lower display unit of the ECAM system: The ELEC page comes into view with the white GALLEY SHED indication.
2.On the ELEC panel 35VU: Push the ELEC/COMMERCIAL pushbutton switch.	On the panel 35VU: The OFF legend of the ELEC/COMMERCIAL pushbutton switch goes off.
	On the lower display unit of the ECAM system: The GALLEY SHED indication goes out of view.
	In the forward and aft galleys: Make sure that the galleys operate.
	In the passenger cabin: The CEILING and WINDOW lights come on.
3.On the ELEC panel 35VU: Release the ELEC/COMMERCIAL pushbutton switch.	On the panel 35VU: The OFF legend of the ELEC/COMMERCIAL pushbutton switch comes on.
	On the lower display unit of the ECAM system: The white GALLEY SHED indication comes into view.
	In the forward and aft galleys: Make sure that no equipment operate.
	In the passenger cabin: The CEILING and WINDOW lights go off.

5. Close-up
Subtask 24-51-00-860-053-B ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) On the overhead ELEC panel 35VU:

Push the ELEC/COMMERCIAL pushbutton switch (OFF legend is off), and
Push the GALY & CAB pushbutton switch (OFF legend is off).

(2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
(3) Make an entry in the logbook.
(4) Put a PLACARD in the cockpit to tell persons that the galley supply system is deactivated.
(5) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.03.31 23:24:45 UTC