Functional Test of the LP Fuel Shut Off Valves

TASK 28-24-00-720-001-A
Functional Test of the LP Fuel Shut Off Valves

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

FIN: 12QM
FIN: 13QM

1. Reason for the Job

NOTE: Two persons are necessary to do this procedure, one person in the cockpit to operate the fuel pumps and one person at the engine.

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

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)
No specific	AR	CONTAINER 200 L (53 USGAL)
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in )
No specific	Torque wrench: range to between 1.13 and 1.02 m.daN (100.00 and 90.27 lbf.in )
No specific	Torque wrench: range to between 1.36 and 1.24 m.daN (120.35 and 109.73 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP5070)	vaseline
(Material No.CP8001)	lockwire 0.032 in. (0.8 mm) dia.
(Material No.CP8002)	lockwire 0.032 in. (0.8 mm) dia
(Material No.CP8006)	safety cable 0.032 in. (0.8 mm) dia.
(Material No.P03-001)	lubricant, aircraft turbine engine
(Material No.V02-147)	lockwire
(Material No.V10-077)	lubricant (engine oil)
(Material No.01ABA1)	Turbine Fuel-- Kerosene -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT
FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	PACKING	EIPC 73-11-02-01-280
2	PACKING	AIPC 73-11-10-01-147
2	PACKING	AIPC 73-11-10-01-290
1	PACKING	AIPC 73-12-42-80-070

E. 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 57-41-37-000-003-A	Removal of the Access Panel
TASK 57-41-37-400-003-A	Installation of the Access Panel
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 70-23-13-911-010-A	Procedures for the Installation of Preformed Packings
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-010-040-A	Opening of the Fan Cowl Doors
TASK 71-13-00-010-040-B	Opening of the Fan Cowl Doors
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-040-A	Closing of the Fan Cowl Doors
TASK 71-13-00-410-040-B	Closing of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 78-32-00-010-010-A	Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A	Closing of the Thrust Reverser Halves
TASK 78-36-00-010-040-A	Opening of the Thrust Reverser Doors
TASK 78-36-00-010-040-B	Opening of the Thrust Reverser Doors
TASK 78-36-00-010-802-A	Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-040-A	Closing of the Thrust Reverser Doors
TASK 78-36-00-410-040-B	Closing of the Thrust Reverser Doors
TASK 78-36-00-410-802-A	Closing of the Thrust Reverser Cowl-Doors
Component Location - Cockpit ** ON A/C NOT FOR ALL
Component Location and Detail ** ON A/C NOT FOR ALL
Component Location - Cockpit ** ON A/C NOT FOR ALL
Component Location - Cockpit ** ON A/C NOT FOR ALL
Component Location - Cockpit ** ON A/C NOT FOR ALL
Component Location - Cockpit ** ON A/C NOT FOR ALL
Component Location and Detail ** ON A/C NOT FOR ALL
Component Location - Cockpit ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 28-24-00-941-058-A

A. Safety Precautions

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

(1) You must obey the fuel safety procedures when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001).
(2) Put the SAFETY BARRIER(S) in position.
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the APU or bleed air.

Subtask 28-24-00-010-050-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position.
(2) Remove the applicable access panel(s) (Ref. AMM TASK 57-41-37-000-003):

(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
Remove 522AT.
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
Remove 622AT.
(3) Open the applicable fan cowl door(s) (Ref. AMM TASK 71-13-00-010-010).
(4) Open the applicable Thrust Reverser (T/R) halves (Ref. AMM TASK 78-32-00-010-010).

Subtask 28-24-00-010-050-D ** ON A/C NOT FOR ALL

B. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position.
(2) Remove the applicable access panel(s) (Ref. AMM TASK 57-41-37-000-003):

(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
Remove 522AT.
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
Remove 622AT.
(3) Open the applicable fan cowl door(s) (Ref. AMM TASK 71-13-00-010-802).
(4) Open the applicable Thrust Reverser (T/R) cowl-door(s) (Ref. AMM TASK 78-36-00-010-802).

Subtask 28-24-00-010-050-F ** ON A/C NOT FOR ALL

B. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position.
(2) Remove the applicable access panel(s) (Ref. AMM TASK 57-41-37-000-003):

(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
Remove 522AT.
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
Remove 622AT.
(3) Open the applicable fan cowl door(s) (Ref. AMM TASK 71-13-00-010-040).
(4) Open the applicable Thrust Reverser (T/R) cowl-door(s) (Ref. AMM TASK 78-36-00-010-040).

Subtask 28-24-00-860-060-A

C. Aircraft Maintenance Configuration
(1) Make sure that the APU does not operate and there is no bleed air.
(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) Make sure that you maintain a minimum fuel quantity of 500 kg (1102 lb) in each tank.

Subtask 28-24-00-865-068-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	FUEL/LP VALVE/MOT1/ENG2	2QG	A09
49VU	FUEL/LP VALVE/MOT1/ENG1	1QG	A08
121VU	FUEL/LP VALVE/MOT2/ENG2	4QG	M26
121VU	FUEL/LP VALVE/MOT2/ENG1	3QG	M25

4. Procedure
Subtask 28-24-00-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Remove the fuel drain plug from the fuel filter as follows:
(a) Put a CONTAINER 200 L (53 USGAL) in position below the fuel manifold.
(b) Loosen the drain plug bolt (3).
(c) Turn and remove the fuel drain plug (1).
(d) Remove and discard the packing (2) from the fuel drain plug (1).
(e) Drain the fuel into the CONTAINER 200 L (53 USGAL).
(f) Keep the container below the drain plug (1) to do a check of the fuel flow during the test:
1 Make sure that you do not put fuel that you drained from the engine back into the fuel system.

Subtask 28-24-00-020-050-C ** ON A/C NOT FOR ALL

A. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Remove the fuel drain plug from fuel filter as follows:
(a) Put a CONTAINER 200 L (53 USGAL) below the fuel filter.

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(b) Cut and discard the lockwire from the fuel drain plug (2).
(c) Remove the fuel drain plug (2) from the fuel filter.
(d) Remove and discard the packing (1) from the fuel drain plug (2).
(e) Drain the fuel into the CONTAINER 200 L (53 USGAL).
(f) Keep the container below the drain plug (2) to do a check of the fuel flow during the test:
1 Make sure that you do not put the fuel that you drained from the engine back into the fuel system.

Subtask 28-24-00-020-050-D ** ON A/C NOT FOR ALL

A. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Remove the fuel drain plug from the fuel filter as follows:
(a) Put a CONTAINER 200 L (53 USGAL) below the fuel filter.

(b) Cut and discard the lockwire from the fuel drain plug (1).
(c) Remove the fuel drain plug (1) from the fuel filter.
(d) Remove and discard the packing (2) from the fuel drain plug (1).
(e) Drain the fuel into the CONTAINER 200 L (53 USGAL).
(f) Keep the container below the drain plug (1) to do a check of the fuel flow during the test:
1 Make sure that you do not put the fuel that you drained from the engine back into the fuel system.

Subtask 28-24-00-020-050-E ** ON A/C NOT FOR ALL

A. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Remove the fuel drain plug from the fuel filter as follows:
(a) Put a CONTAINER 200 L (53 USGAL) below the fuel filter.

(b) Cut and discard the lockwire or safety cable from the fuel drain plug (1).
(c) Remove the fuel drain plug (1) from the fuel filter.
(d) Remove and discard the packing (2) from the fuel drain plug (1).
(e) Drain the fuel into the CONTAINER 200 L (53 USGAL).
(f) Keep the container below the drain plug (1) to do a check of the fuel flow during the test:
1 Make sure that you do not put the fuel that you drained from the engine back into the fuel system.

Subtask 28-24-00-720-050-A

B. Do a Test of Valve 12QM
(1) In the test that follows, on each operation of the LP valve:

Make sure that the see/feel indicator operates smoothly from the valve open (valve closed) position to the valve closed (valve open) position.
Make sure that the see/feel indicator marks are accurately aligned with the valve open position.
Make sure that the see/feel indicator marks are at 90 degrees to each other with the valve closed position.

(2) For valve 12QM, do this test:

ACTION	RESULT
1.On panel 121VU:
Open, safety and tag circuit breaker 3QG.	ENG 1 LP valve MOTOR 2 SUPPLY and CONTROL are isolated.
2.On the ECAM CP:	On the ECAM lower DU:
Push the FUEL P/BSW.	The FUEL system page shows. The LEFT LP valve indication shows that the valve is closed (amber cross-line).
3.On LP valve actuator 9QG:
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is closed.
4.Push L TK PUMPS 1 or 2 P/BSW.	The OFF light goes off. The fuel feed line of the LP valve is pressurized.
5.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 1 switch to the ON position.	The LEFT LP valve indication shows that the valve is open (green in-line).
6.On LP valve actuator 9QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve opens. Make sure that the fuel flows into the container during the pumps are in the ON position.	The actuator motor must not operate for more than 5 seconds.
Look at the position of the see/feel indicator.	The indicator shows that the valve is open.
7.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 1 switch to the OFF position.	The LEFT LP valve indication shows that the valve is closed (amber cross-line).
8.On LP valve actuator 9QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve closes. Make sure that the fuel does not flow into the container after the ENG/MASTER is in the OFF position.	The actuator motor must not operate for more than 5 seconds.
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is closed.
9.Release L TK PUMPS 1 or 2 P/BSW.	The OFF light comes on.
10.On panel 121VU:
Remove the safety clip and the tag and close circuit breaker 3QG.	ENG 1 LP valve MOTOR 2 SUPPLY and CONTROL are energized.
11.On panel 49VU:
open, safety and tag circuit breaker 1QG.	ENG 1 LP valve MOTOR 1 SUPPLY and CONTROL are isolated.
	On the ECAM lower DU: The LEFT LP valve indication shows that the valve is closed (amber cross-line).
12.Push L TK PUMPS 1 or 2 P/BSW.	The OFF light goes off. The fuel feed line of the LP valve is pressurized.
13.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 1 switch to the ON position:	The LEFT LP valve indication shows that the valve is open (green in-line).
14.On LP valve actuator 9QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve opens. Make sure that the fuel flows into the container during the pumps are in the ON position.	The actuator motor must not operate for more than 5 seconds.
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is open.
15.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 1 switch to the OFF position.	The LEFT LP valve indication shows that the valve is closed (amber cross-line).
16.On LP valve actuator 9QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve closes. Make sure that the fuel does not flow into the container after the ENG/MASTER in the OFF position.	The actuator motor must not operate for more than 5 seconds.
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is closed.
17.Release L TK PUMPS 1 or 2 P/BSW.	The OFF light comes on.
18.On panel 49VU:
Remove the safety clip and the tag and close circuit breaker 1QG.	ENG 1 LP valve MOTOR 1 SUPPLY and CONTROL are energized.

Subtask 28-24-00-420-052-B ** ON A/C NOT FOR ALL

C. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Install the fuel drain plug (1) on the fuel manifold as follows:
(a) Apply P03-001lubricant, aircraft turbine engine to the new EIPC 73-11-02-01-280 PACKING (2).
(b) Install the packing (2) on the fuel drain plug (1).
(c) Install and turn the fuel drain plug (1) on the washer (4) and the drain plug bolt (3).
(d) TORQUE the drain plug bolt (3) to between 1.13 and 1.02 m.daN (100.00 and 90.27 lbf.in )

Subtask 28-24-00-020-051-A ** ON A/C NOT FOR ALL

D. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

Subtask 28-24-00-420-052-D ** ON A/C NOT FOR ALL

E. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Install the fuel drain plug (2) on the fuel filter as follows:
(a) Lubricate a new AIPC 73-12-42-80-070 PACKING (1) with clean V10-077lubricant (engine oil) (Ref. AMM TASK 70-23-13-911-010).
(b) Install the packing (1) on the fuel drain plug (2).
(c) Install the fuel drain plug (2) on the fuel filter.
(d) TORQUE the fuel drain plug (2) to between 1.36 and 1.24 m.daN (120.35 and 109.73 lbf.in )

(Ref. AMM TASK 70-23-11-911-013).

(e) Safety the fuel drain plug with the lockwire (Material No.V02-147) .

Subtask 28-24-00-020-051-C ** ON A/C NOT FOR ALL

F. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Remove the fuel drain plug from the fuel filter as follows:
(a) Put a CONTAINER 200 L (53 USGAL) below the fuel filter.

Subtask 28-24-00-420-052-E ** ON A/C NOT FOR ALL

G. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Install the fuel drain plug (1) on the fuel filter as follows:
(a) Soak the new AIPC 73-11-10-01-147 PACKING (2) in Turbine Fuel-- Kerosene - (Material No.01ABA1) .
(b) Lubricate the packing (2) with vaseline (Material No.CP5070) .
(c) Install the packing (2) on the fuel drain plug (1).
(d) Install the fuel drain plug (1) on the fuel filter.
(e) TORQUE the fuel drain plug (1) to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in )

(f) Safety the fuel drain plug (1) with the CP8001lockwire 0.032 in. (0.8 mm) dia. or with the CP8006safety cable 0.032 in. (0.8 mm) dia..

Subtask 28-24-00-020-051-D ** ON A/C NOT FOR ALL

H. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Remove the fuel drain plug from the fuel filter as follows:
(a) Put a CONTAINER 200 L (53 USGAL) below the fuel filter.

Subtask 28-24-00-420-052-F ** ON A/C NOT FOR ALL

I. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Install the fuel drain plug (1) on the fuel filter as follows:
(a) Soak the new AIPC 73-11-10-01-290 PACKING (2) in Turbine Fuel-- Kerosene - (Material No.01ABA1) .
(b) Lubricate the packing (2) with vaseline (Material No.CP5070) .
(c) Install the packing (2) on the fuel drain plug (1).
(d) Install the fuel drain plug (1) on the fuel filter.
(e) TORQUE the fuel drain plug (1) to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in )

(f) Safety the fuel drain plug (1) with the CP8001lockwire 0.032 in. (0.8 mm) dia. or with the CP8002lockwire 0.032 in. (0.8 mm) dia.

Subtask 28-24-00-020-051-E ** ON A/C NOT FOR ALL

J. Removal of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(1) Remove the fuel drain plug from the fuel filter as follows:
(a) Put a CONTAINER 200 L (53 USGAL) below the fuel filter.

Subtask 28-24-00-720-051-A

K. Do a Test of Valve 13QM
(1) In the test that follows, on each operation of the LP valve:

Make sure that the see/feel indicator operates smoothly from the valve open (valve closed) position to the valve closed (valve open) position.
Make sure that the see/feel indicator marks are accurately aligned with the valve open position.
Make sure that the see/feel indicator marks are at 90 degrees to each other with the valve closed position.

(2) For valve 13QM, do this test:

ACTION	RESULT
1.On panel 121VU:
Open, safety and tag circuit breaker 4QG.	ENG 2 LP valve MOTOR 2 SUPPLY and CONTROL are isolated.
2.On the ECAM CP:	On the ECAM lower DU:
Push the FUEL P/BSW.	The FUEL system page shows. The RIGHT LP valve indication shows that the valve is closed (amber cross-line).
3.On ENG 2 LP valve actuator 10QG:
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is closed.
4.Push R TK PUMPS 1 or 2 P/BSW.	The OFF light goes off. The fuel feed line of the LP valve is pressurized.
5.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 2 switch to the ON position.	The RIGHT LP valve indication shows that valve is open (green in-line).
6.On LP valve actuator 10QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve opens. Make sure that the fuel flows into the container during the pumps are in the ON position.	The actuator motor must not operate for more than 5 seconds.
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is open.
7.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 2 switch to the OFF position.	The RIGHT LP valve indication shows that the valve is closed (amber cross-line).
8.On LP valve actuator 10QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve closes. Make sure that the fuel does not flow into the container after the ENG/MASTER is in the OFF position.	The actuator motor must not operate for more than 5 seconds.
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is closed.
9.Release R TK PUMPS 1 or 2 P/BSW.	The OFF light comes on.
10.On panel 121VU:
Remove the safety clip and the tag and close circuit breaker 4QG.	ENG 2 LP valve MOTOR 2 SUPPLY and CONTROL are energized.
11.On panel 49VU:
Open, safety and tag circuit breaker 2QG.	ENG 2 LP valve MOTOR 1 SUPPLY and CONTROL are isolated.
	On the ECAM lower DU:
	The RIGHT LP valve indication shows that the valve is closed (amber cross-line).
12.On LP valve actuator 10QG:
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is closed.
13.Push R TK PUMPS 1 or 2 P/BSW.	The OFF light goes off. The fuel feed line of the LP valve is pressurized.
14.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 2 switch to the ON position.	The RIGHT LP valve indication shows that the valve is open (green in-line).
15.On LP valve actuator 10QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve opens. Make sure that the fuel flows into the container during the pumps are in the ON position.	The actuator motor must not operate for more than 5 seconds.
Look at the position of the mechanical see/feel indicator.	The indicator shows that the valve is open.
16.On panel 115VU:	On the ECAM lower DU:
Set ENG/MASTER 2 switch to the OFF position.	The RIGHT LP valve indication shows that the valve is closed (amber cross-line).
17.On LP valve actuator 10QG:
Listen to the actuator motor and measure the time that it operates for as the LP valve closes. Make sure that the fuel does not flow into the container after the ENG/MASTER is in the OFF position.	The actuator motor must not operate for more than 5 seconds.
18.Release R TK PUMPS 1 or 2 P/BSW.	The OFF light comes on.
19.On panel 49VU:
Remove the safety clip and the tag and close circuit breaker 2QG.	ENG 2 LP valve MOTOR 1 SUPPLY and CONTROL are energized.

Subtask 28-24-00-420-053-B ** ON A/C NOT FOR ALL

L. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

Subtask 28-24-00-420-053-D ** ON A/C NOT FOR ALL

L. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(Ref. AMM TASK 70-23-11-911-013).

(e) Safety the fuel drain plug with the lockwire (Material No.V02-147) .

Subtask 28-24-00-420-053-E ** ON A/C NOT FOR ALL

L. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(f) Safety the fuel drain plug (1) with the CP8001lockwire 0.032 in. (0.8 mm) dia. or with the CP8006safety cable 0.032 in. (0.8 mm) dia..

Subtask 28-24-00-420-053-F ** ON A/C NOT FOR ALL

L. Installation of the Fuel Drain Plug

Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL

(f) Safety the fuel drain plug (1) with the CP8001lockwire 0.032 in. (0.8 mm) dia. or with the CP8002lockwire 0.032 in. (0.8 mm) dia.

5. Close-up
Subtask 28-24-00-410-050-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable T/R halves (Ref. AMM TASK 78-32-00-410-010).
(3) Close the applicable fan cowl door(s) (Ref. AMM TASK 71-13-00-410-010).
(4) Install the applicable access panel(s) (Ref. AMM TASK 57-41-37-400-003):

(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
Install 522AT.
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
Install 622AT.

Subtask 28-24-00-410-050-C ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable T/R cowl door(s) (Ref. AMM TASK 78-36-00-410-802).
(3) Close the applicable fan cowl door(s) (Ref. AMM TASK 71-13-00-410-802).
(4) Install the applicable access panel(s) (Ref. AMM TASK 57-41-37-400-003):

(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
Install 522AT.
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
Install 622AT.

Subtask 28-24-00-410-050-E ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable T/R cowl door(s) (Ref. AMM TASK 78-36-00-410-040).
(3) Close the applicable fan cowl door(s) (Ref. AMM TASK 71-13-00-410-040).
(4) Install the applicable access panel(s) (Ref. AMM TASK 57-41-37-400-003):

(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
Install 522AT.
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
Install 622AT.

Subtask 28-24-00-860-061-A

B. Aircraft Maintenance Configuration
(1) On the ECAM CP, put the BRT switches to the OFF position.
(2) De-energize the aircraft electrical networks (Ref. AMM TASK 24-41-00-862-002).

Subtask 28-24-00-942-050-A

C. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:17:34 UTC