Removal of the Fuel Pump Canister

TASK 28-21-52-000-003-A
Removal of the Fuel Pump Canister

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: 84QM ** ON A/C NOT FOR ALL
FIN: 85QM ** ON A/C NOT FOR ALL

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	ACCESS PLATFORM 2M (6 FT)
No specific	AR	CONTAINER 20L (5 USGAL)
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 4.64 and 3.87 m.daN (34.22 and 28.54 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.01ABA1)	Turbine Fuel-- Kerosene -
(Material No.03FAB1)	Mineral Oil base Grease-- Vaseline or Petrolatum -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [84QM] (CANISTER-FUEL PUMP, L CTR TK)
147AZ
FOR [85QM] (CANISTER-FUEL PUMP, R CTR TK)
148AZ

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
24	O-RING	AIPC 28-21-05-01-125

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 28-10-00-910-001-A	Safety Procedures When You Do Work in a Fuel Tank
TASK 28-10-00-910-002-A	Access to the Fuel Tanks and the Work Areas
TASK 28-21-51-000-002-A	Removal of the Fuel Pumps
TASK 28-25-00-650-001-A	Pressure Defuel
TASK 28-25-00-650-003-A	To Drain Remaining Fuel from the Wing Tanks and the Center Tank
TASK 28-25-00-650-003-A-01	To Drain Remaining Fuel from the Wing Tanks and the Center Tank
TASK 28-25-00-869-001-A	Fuel Transfer
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 57-17-11-000-001-A	Removal of Access Cover 147AZ(148AZ)
Fuel Pump Canister 84QM(85QM)
Fuel Pump Canister 84QM (85QM)

3. Job Set-up
Subtask 28-21-52-941-060-A ** ON A/C NOT FOR ALL

A. Safety Precautions

WARNING: BEFORE YOU DO WORK IN OR NEAR A FUEL TANK, MAKE SURE THAT YOU OBEY ALL THE SAFETY PROCEDURES. THIS WILL PREVENT INJURY TO PERSONS AND/OR DAMAGE TO THE AIRCRAFT.

(1) You must obey the fuel safety procedures when you do work in a fuel tank (Ref. AMM TASK 28-10-00-910-001).
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Put a WARNING NOTICE(S) in position to tell persons not to operate the MLG doors.

Subtask 28-21-52-860-058-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Defuel the center tank (Ref. AMM TASK 28-25-00-650-001) or transfer the fuel from the center tank (Ref. AMM TASK 28-25-00-869-001).
(3) Defuel the left wing tank (Ref. AMM TASK 28-25-00-650-001) or transfer the fuel from the left wing tank to remove center-tank fuel-pump-canister 84QM (Ref. AMM TASK 28-25-00-869-001).
(4) Defuel the right wing tank (Ref. AMM TASK 28-25-00-650-001) or transfer the fuel from the right wing tank to remove center-tank fuel-pump-canister 85QM (Ref. AMM TASK 28-25-00-869-001).
(5) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(6) In the cockpit, on the ECAM control panel, push (in) the FUEL system-page button.

CAUTION: BEFORE YOU CLOSE THE CROSSFEED VALVE, MAKE SURE THAT THE FUEL PUMP(S) IS(ARE) OFF. THIS WILL PREVENT DAMAGE TO THE CROSSFEED VALVE.

(7) In the cockpit, on fuel panel 40VU, release (out) the X FEED pushbutton switch (the ON and OPEN lights go off).
(8) In the cockpit, on the ECAM lower Display Unit (DU), make sure that the X FEED valve indication shows the green cross-line (closed).
(9) In the cockpit, on the ECAM control panel, turn the LOWER DISPLAY switch counterclockwise to the off position:
(a) Make sure that the ECAM lower DU goes off.
(10) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(11) Drain the remaining fuel from the center tank (Ref. AMM TASK 28-25-00-650-003).

Subtask 28-21-52-865-055-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
121VU	FUEL/L WING TK/PUMP2 SPLY	7QA	N26
121VU	FUEL/L WING TK/PUMP1 SPLY	1QA	N23
121VU	FUEL/CTR TK/PUMP2 SPLY	30QA	P26
121VU	FUEL/CTR TK/PUMP1 SPLY	29QA	P23
121VU	FUEL/R WING TK/PUMP2 SPLY	8QA	Q26
121VU	FUEL/R WING TK/PUMP1 SPLY	2QA	Q23
123VU	L WING TK/PUMP 1/STBY SPLY	11QA	AD12
123VU	R WING TK/PUMP 1/STBY SPLY	12QA	AE12

Subtask 28-21-52-010-055-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Open the applicable MLG door 734(744) (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the applicable MLG door actuating cylinder.
(3) Remove the applicable fuel pump 37QA(38QA) (Ref. AMM TASK 28-21-51-000-002).
(4) Put the ACCESS PLATFORM 2M (6 FT) in position below the applicable access panel 147AZ(148AZ).
(5) Remove the applicable center-tank access-panel (Ref. AMM TASK 57-17-11-000-001) and (Ref. AMM TASK 28-10-00-910-002):
(a) FOR [84QM] (CANISTER-FUEL PUMP, L CTR TK)
remove 147AZ
(b) FOR [85QM] (CANISTER-FUEL PUMP, R CTR TK)
remove 148AZ.

4. Procedure
Subtask 28-21-52-020-054-A ** ON A/C NOT FOR ALL

A. Removal of Fuel Pump Canister 84QM (85QM)
(1) Disconnect the pipe (1).
(2) Remove the bolt (14) and the washer (15) and release the bonding strap (11).
(3) Put a CONTAINER 20L (5 USGAL) below the connectors (13) and (17).
(4) Remove the nuts (5) and (10) and the bolts (12).
(5) Remove the bracket (9).
(6) Remove the nuts (22), the washers (21) and the bolts (16).
(7) Remove the bolts (19) and the washers (20).
(8) Release the connectors (13) and (17).
(9) Remove and discard the O-rings (7) and (18).
(10) Remove the applicable canister (4).
(11) Remove and discard the sealing ring (23).
(12) If you are to replace the canister (4), do as follows:
(a) Remove the reducer (2).
(b) Remove and discard the O-ring (3).
(13) Lubricate the new AIPC 28-21-05-01-125 O-RING (24) with Turbine Fuel-- Kerosene - (Material No.01ABA1) or Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) .
(14) Install the O-ring (24) and the plug (25).

Fuel Pump Canister 84QM (85QM) ** ON A/C NOT FOR ALL

(15) TORQUE the plug (25) to between 4.64 and 3.87 m.daN (34.22 and 28.54 lbf.ft )

.
(16) If you are to replace the canister (4), remove the nut (6) and the stud (8).

[Rev.10 from 2021] 2026.04.02 06:17:28 UTC