Removal of the Main Fuel Line [PW11]

TASK 73-11-48-000-802-A
Removal of the Main Fuel Line

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

WARNING: DO NOT LET ENGINE FUEL STAY ON YOUR SKIN FOR A LONG TIME. FLUSH THE FUEL FROM YOUR SKIN WITH WATER. THE FUEL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.

WARNING: DO NOT LET THE ENGINE FUEL SPILL ON THE ENGINE. YOU MUST IMMEDIATELY REMOVE UNWANTED FUEL. THE FUEL IS FLAMMABLE AND CAN CAUSE INJURY OR DAMAGE.

WARNING: WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.

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

CAUTION: DO NOT LET FUEL OR OIL FALL ON THE ENGINE. YOU MUST IMMEDIATELY REMOVE UNWANTED FUEL OR OIL WITH A CLOTH. THE FUEL OR OIL CAN CAUSE DAMAGE TO SOME ENGINE PARTS.

ZONE: 400

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	1	CONTAINER 20L (5 USGAL)
No specific	3	COVER - PROTECTION
No specific	Torque wrench: range to between 70 and 60 lbf.in (0.79 and 0.68 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.P05-005)	lint-free cotton cloth
(Material No.P06-053)	Sealing Ring Lubricant

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR, 462AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
4	PACKING	EIPC 73-11-02-01-280

E. Referenced Information

REFERENCE	DESIGNATION
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-36-00-010-802-A	Opening of the Thrust Reverser Cowl-Doors
Fuel Manifold
Fuel Suction Hose

3. Job Set-up
Subtask 73-11-48-941-057-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833)

Subtask 73-11-48-865-053-A ** ON A/C NOT FOR ALL

B. Open, safety and tag these circuit breakers in this sequence:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
FOR FIN: 4020KM1 (POWER PLANTDEMOUNTABLE, ENG 1)
49VU	FUEL/LP VALVE/MOT1/ENG1	1QG	A08
121VU	FUEL/LP VALVE/MOT2/ENG1	3QG	M25
FOR FIN: 4020KM2 (POWER PLANTDEMOUNTABLE, ENG 2)
49VU	FUEL/LP VALVE/MOT1/ENG2	2QG	A09
121VU	FUEL/LP VALVE/MOT2/ENG2	4QG	M26

Subtask 73-11-48-860-052-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(2) On the SD ENG fuel page, make sure that the LP valve is shown closed.

Subtask 73-11-48-010-058-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.

Subtask 73-11-48-040-050-A ** ON A/C NOT FOR ALL

E. Deactivation of the Thrust Reverser for Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Do the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 73-11-48-010-059-A ** ON A/C NOT FOR ALL

F. Get Access
(1) Open the right thrust reverser cowl-door (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
- 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
- 462AR

4. Procedure
Subtask 73-11-48-020-053-A ** ON A/C NOT FOR ALL

A. Removal of the fuel suction hose

WARNING: DO NOT GET FUEL IN YOUR MOUTH, EYES OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM THE FUEL. KEEP THE FUEL AWAY FROM SPARKS, FLAME AND HEAT. FUEL IS POISONOUS AND FLAMMABLE, WHICH CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.

(1) Drain the fuel as follows:

Fuel Manifold ** ON A/C NOT FOR ALL

(a) Put a CONTAINER 20L (5 USGAL) under the drain port on the fuel manifold.
(b) Loosen the drain plug retention bolt (2) on the fuel manifold.
(c) Turn the drain plug (3) to disengage the retention tab from under the retention bolt (2) and washer (1).

CAUTION: DO NOT PRY ON THE RETENTION TAB TO REMOVE THE DRAIN PLUG. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE DRAIN PLUG CAN OCCUR.

(d) Hold the drain plug (3) by the square. Turn and pull it as necessary to remove it from the fuel manifold.
(e) Drain the fuel into the CONTAINER 5 L (1.32 USGAL).
(f) Remove and discard the packing (4).
(g) Drain the fuel into the CONTAINER 5 L (1.32 USGAL).
(h) Wipe the remaining fuel with lint-free cotton cloth (Material No.P05-005) .
(i) Apply the Sealing Ring Lubricant (Material No.P06-053) or Sealing Ring Lubricant (Material No.P06-053) to a new EIPC 73-11-02-01-280 PACKING (4).
(j) Install the packing (4) to the drain plug (3).

CAUTION: DO NOT PUSH ON THE RETENTION TAB TO INSTALL THE DRAIN PLUG. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE DRAIN PLUG CAN OCCUR.

(k) Hold the drain plug (3) at the square. Press and turn the drain plug until it fully seats against the fuel manifold.
(l) Make sure that the drain plug (3) is fully seated against the mating surface.
(m) Turn the drain plug (3) so the retention tab is under the retention bolt (2) and washer (1).
(n) TORQUE the drain plug retention bolt (2) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN )

.
(2) Remove the fuel hose (3) from the IFPC and the pylon disconnect panel as follows:

Fuel Suction Hose ** ON A/C NOT FOR ALL

(a) Remove the four bolts (5) and four washers (6) from the bottom of the fuel suction hose (1).
(b) Remove the gasket (7) and move the fuel suction hose (1) from the IFPC.
(c) Remove the four bolts (2), four washers (3), and gasket (4) from the top of the fuel suction hose (1).
(d) Remove the fuel suction hose (1) from the pylon interface.
(e) Discard the gaskets (4) and (7).
(3) Installation of the protection covers

CAUTION: INSTALL PROTECTION COVERS ON ALL THE OPENINGS IMMEDIATELY TO PREVENT DAMAGE TO THE ENGINE.

(a) Install COVER - PROTECTION on the fuel suction hose (1), the pylon interface, and the IFPC on the engine.

[Rev.10 from 2021] 2026.04.01 03:02:10 UTC