Operational Check of Motor 1 of Transfer Valve

TASK 28-28-00-710-002-A
Operational Check of Motor 1 of Transfer Valve

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

ZONE: 200

1. Reason for the Job
Refer to the MPD TASK: 282800-04
OPERATIONAL CHECK OF MOTOR 1 OF TRANSFER VALVE
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. 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 28-00-00-910-001-A	Fuel Safety Procedures
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access

3. Job Set-up
Subtask 28-28-00-860-053-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(4) On the ECAM control panel push the FUEL P/BSW, on the lower ECAM DU the FUEL page comes into view.

Subtask 28-28-00-865-177-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	ACT PUMP SUPPLY	25QH	Q29
** ON A/C NOT FOR ALL
121VU	FUEL/ACT/FUEL PUMP/SPLY	25QH	Q29

Subtask 28-28-00-865-051-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	ACT XFR VALVE MAN CTL	30QH	N29
121VU	ACT1/CTL & SPLY	9QH	P29
** ON A/C NOT FOR ALL
121VU	FUEL/ACT XFR VLV/MOT2	66QH	J18
121VU	FUEL/ACT XFR VLV/MOT1	65QH	J17

4. Procedure
Subtask 28-28-00-710-052-A ** ON A/C NOT FOR ALL

A. Operational Test

ACTION	RESULT
1.On the overhead FUEL panel 40VU: make sure that the ACT pushbutton is released (FWD and FAULT legends are not on).
2.In the compartment of the main landing gear at FR42 (Left side center tank access door): make sure that the position indicator of the ACT fuel transfer-valve actuator (6QH) is in the closed position (cross-line). disconnect the electrical connector 6QH-B from the ACT fuel transfer-valve actuator (motor 2).
3.On the overhead FUEL panel 40VU: push the ACT pushbutton.	On the overhead FUEL panel 40VU: the FWD legend in the ACT pushbutton switch comes on.
	In the compartment of the main landing gear at FR42 (Left side center tank access door): the ACT fuel transfer valve (165QM) moves to the open position, the position indicator of the ACT fuel transfer-valve actuator (6QH) shows the open position (in-line).
4.On the overhead FUEL panel 40VU: release the ACT pushbutton.	On the overhead FUEL panel 40VU: the FWD legend in the ACT pushbutton switch goes off.
	In the compartment of the main landing gear at FR42 (Left side center tank access door): the ACT fuel transfer valve (165QM) moves to the closed position, the position indicator of the ACT fuel transfer-valve actuator (6QH) shows the closed position (cross-line).
5.In the compartment of the main landing gear at FR42 (Left side center tank access door): connect the electrical connector 6QH-B to the ACT fuel transfer-valve actuator (motor 2), disconnect the electrical connector 6QH-A from the ACT fuel transfer-valve actuator (motor 1).
6.On the overhead FUEL panel 40VU: push the ACT pushbutton.	On the overhead FUEL panel 40VU: the FWD legend in the ACT pushbutton switch comes on.
	In the compartment of the main landing gear at FR42 (Left side center tank access door): the ACT fuel transfer valve (165QM) moves to the open position, the position indicator of the ACT fuel transfer-valve actuator (6QH) shows the open position (in-line).
7.On the overhead FUEL panel 40VU: release the ACT pushbutton.	On the overhead FUEL panel 40VU: the FWD legend in the ACT pushbutton switch goes off.
8.On the overhead FUEL panel 40VU: push the ACT pushbutton.	In the compartment of the main landing gear at FR42 (Left side center tank access door): the ACT fuel transfer valve (165QM) remains in the open position, the position indicator of the ACT fuel transfer-valve actuator (6QH) shows the open position (in-line).
9.In the compartment of the main landing gear at FR42 (Left side center tank access door): connect the electrical connector 6QH-A to the ACT fuel transfer-valve actuator (motor 1).
10.On the overhead FUEL panel 40VU: release the ACT pushbutton.	In the compartment of the main landing gear at FR42 (Left side center tank access door): the ACT fuel transfer valve (165QM) moves to the closed position, the position indicator of the ACT fuel transfer-valve actuator (6QH) shows the closed position (cross-line).

Subtask 28-28-00-710-052-C ** ON A/C NOT FOR ALL

A. Operational Check of Motor 1 of Transfer Valve

ACTION	RESULT
1.In the cockpit, on Additional Center Tank (ACT) control-panel 28VU: Make sure that the ACT pushbutton switch is released (FWD and FAULT legends are off).
CAUTION: YOU MUST NOT BEND THE ELECTRICAL HARNESSES TOO MUCH WHEN YOU DISCONNECT THE ELECTRICAL CONNECTORS. THE HARNESSES CAN BE DAMAGED AND CAUSE ELECTRICAL CIRCUIT DEFECT. CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTOR IS CLEAN BEFORE YOU DISCONNECT/CONNECT IT. CONTAMINATION OF THE ELECTRICAL CONNECTOR CAN CAUSE INCORRECT FIRE DETECTION. 2.In the Main Landing Gear (MLG) compartment at FR42 (left-side center-tank access-door): Make sure that the position indicator of the ACT fuel-transfer-valve actuator (6QH) is in the closed position (cross-line). Disconnect electrical connector 6QH-B from the ACT fuel-transfer-valve actuator (motor 2).
3.In the cockpit, on ACT control-panel 28VU: Push (in) the ACT pushbutton switch.	In the cockpit, on ACT control-panel 28VU: The FWD legend in the ACT pushbutton switch comes on.
	In the MLG compartment at FR42 (left-side center-tank access-door): ACT fuel-transfer valve (165QM) moves to the open position. The position indicator of ACT fuel-transfer-valve actuator (6QH) shows the open position (in-line).
4.In the cockpit, on ACT control-panel 28VU: Release (out) the ACT pushbutton switch.	In the cockpit, on ACT control-panel 28VU: The FWD legend in the ACT pushbutton switch goes off.
	In the MLG compartment at FR42 (left-side center-tank access-door): ACT fuel-transfer-valve (165QM) moves to the closed position. The position indicator of ACT fuel-transfer-valve actuator (6QH) shows the closed position (cross-line).
CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTOR IS CLEAN BEFORE YOU DISCONNECT/CONNECT IT. CONTAMINATION OF THE ELECTRICAL CONNECTOR CAN CAUSE INCORRECT FIRE DETECTION. CAUTION: YOU MUST NOT BEND THE ELECTRICAL HARNESSES TOO MUCH WHEN YOU DISCONNECT THE ELECTRICAL CONNECTORS. THE HARNESSES CAN BE DAMAGED AND CAUSE ELECTRICAL CIRCUIT DEFECT. 5.In the MLG compartment at FR42 (left-side center-tank access-door): Connect electrical connector 6QH-B to the ACT fuel-transfer-valve actuator (motor 2). Disconnect electrical connector 6QH-A from the ACT fuel-transfer-valve actuator (motor 1).
6.In the cockpit, on ACT control-panel 28VU: Push (in) the ACT pushbutton switch.	In the cockpit, on ACT control-panel 28VU: The FWD legend in the ACT pushbutton switch comes on.
	In the MLG compartment at FR42 (left-side center-tank access-door): ACT fuel-transfer valve (165QM) moves to the open position. The position indicator of ACT fuel-transfer-valve actuator (6QH) shows the open position (in-line).
7.In the cockpit, on ACT control-panel 28VU: Release (out) the ACT pushbutton switch.	In the cockpit, on ACT control-panel 28VU: The FWD legend in the ACT pushbutton switch goes off.
	In the MLG compartment at FR42 (left-side center-tank access-door): ACT fuel-transfer valve (165QM) moves to the closed position. The position indicator of ACT fuel-transfer-valve actuator (6QH) shows the closed position (cross-line).
CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTOR IS CLEAN BEFORE YOU DISCONNECT/CONNECT IT. CONTAMINATION OF THE ELECTRICAL CONNECTOR CAN CAUSE INCORRECT FIRE DETECTION. 8.In the MLG compartment at FR42 (left-side center-tank access-door): Connect electrical connector 6QH-A to the ACT fuel-transfer-valve actuator (motor 1).

5. Close-up
Subtask 28-28-00-865-178-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	ACT PUMP SUPPLY	25QH	Q29
** ON A/C NOT FOR ALL
121VU	FUEL/ACT/FUEL PUMP/SPLY	25QH	Q29

Subtask 28-28-00-860-054-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
(2) Close the main landing-gear doors (Ref. AMM TASK 32-12-00-010-001).
(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.02 06:17:50 UTC