DOC AIRBUS | AMM A320FReplacement of the Fuel Filter (APS 3200)
TASK 49-32-41-920-002-A
Replacement of the Fuel Filter (APS 3200)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 49-32-41-941-055-A ** ON A/C NOT FOR ALL Subtask 49-32-41-860-054-A ** ON A/C NOT FOR ALL
Subtask 49-32-41-020-053-A ** ON A/C NOT FOR ALL
Subtask 49-32-41-410-054-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 07:20:29 UTC
Replacement of the Fuel Filter (APS 3200)
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 4M (13 FT)-ADJUSTABLE |
| No specific | AR | CAP - BLANKING |
| No specific | AR | CONTAINER 1 L (1/4 USGAL) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.01ABB1) | Turbine Fuel-- Kerosene High Flash Point - |
| (Material No.01ABC1) | Turbine Fuel-- Wide-cut - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 315AL, 316AR |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 1 | PACKING | AIPC 49-32-11-50-020 |
| 3 | FILTER ELEMENT | AIPC 49-32-11-50-030 |
| 2 | PACKING | AIPC 49-32-11-50-040 |
| 1 | PACKING | AIPC 49-32-84-21-020 |
| 3 | ELEMENT | AIPC 49-32-84-21-030 |
| 2 | PACKING | AIPC 49-32-84-21-040 |
| REFERENCE | DESIGNATION |
|---|---|
| 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 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 28-00-00-910-001-A | Fuel Safety Procedures |
| TASK 28-22-00-710-001-A | Operational Test of the APU Fuel-Pump System on Ground to Purge the Fuel Line |
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| TASK 49-00-00-860-005-A | APU Start by External Power |
| TASK 49-00-00-860-005-A-01 | APU Start by Batteries |
| TASK 49-00-00-860-006-A | APU Shutdown by External Power |
| TASK 49-00-00-860-006-A-01 | APU Shutdown by Batteries |
| TASK 52-41-00-010-001-A | Open the APU Doors for Access |
| TASK 52-41-00-410-001-A | Close the APU Doors after Access |
Fuel Filter ElementSubtask 49-32-41-941-055-A ** ON A/C NOT FOR ALL Subtask 49-32-41-860-054-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to start the APU.
(4) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).
Subtask 49-32-41-865-059-A ** ON A/C NOT FOR ALL (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to start the APU.
(4) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 49-32-41-010-053-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | APU/FUEL/BLOW OFF/PUMP | 2QC | B14 |
| 49VU | AIR BLEED/X FEED/VALVE/BAT | 2HV | D13 |
| 121VU | APU/FUEL/BLOW OFF/CTL | 1QC | K39 |
| 121VU | APU/APU/CTL | 2KD | L42 |
| 121VU | APU/ECB/SPLY | 1KD | L41 |
| 121VU | APU/FUEL/LP VALVE/CTL | 1QF | M40 |
| 121VU | APU/FUEL/LP VALVE/SPLY | 2QF | M39 |
| 121VU | APU/FUEL/PUMP/CTL | 3QC | M38 |
D. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE below the APU access doors 315AL and 316AR.
(2) Open the access doors 315AL 316AR (Ref. AMM TASK 52-41-00-010-001).
(3) Set the LIGHT control SW 11LJ to the ON position.
4. Procedure(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE below the APU access doors 315AL and 316AR.
(2) Open the access doors 315AL 316AR (Ref. AMM TASK 52-41-00-010-001).
(3) Set the LIGHT control SW 11LJ to the ON position.
Subtask 49-32-41-020-053-A ** ON A/C NOT FOR ALL
A. Filter Housing/Element - Removal
(1) Put the CONTAINER 1 L (1/4 USGAL) in position below the fuel filter housing (4).
(2) Grasp the filter housing (4), turn it anti-clockwise and remove it.
(3) Let the fuel from the fuel filter housing (4) drain into the container.
(4) Remove the filter element (3) from the fuel filter housing (4). Discard the element (3) and the packing (2).
(5) Tip the residual fuel from the housing into the container.
(6) Remove and discard packing (1).
(7) Put a CAP - BLANKING on the FCU fuel filter orifice.
Subtask 49-32-41-420-053-A ** ON A/C NOT FOR ALL (1) Put the CONTAINER 1 L (1/4 USGAL) in position below the fuel filter housing (4).
(2) Grasp the filter housing (4), turn it anti-clockwise and remove it.
(3) Let the fuel from the fuel filter housing (4) drain into the container.
(4) Remove the filter element (3) from the fuel filter housing (4). Discard the element (3) and the packing (2).
(5) Tip the residual fuel from the housing into the container.
(6) Remove and discard packing (1).
(7) Put a CAP - BLANKING on the FCU fuel filter orifice.
B. Filter Preperation
(1) Examine the fuel filter housing (4) for damage.
(2) Lubricate the new AIPC 49-32-11-50-040 PACKING (2) or AIPC 49-32-84-21-040 PACKING (2) and AIPC 49-32-11-50-020 PACKING (1) or AIPC 49-32-84-21-020 PACKING (1) with
Turbine Fuel-- Wide-cut - (Material No.01ABC1) or Turbine Fuel-- Kerosene High Flash Point - (Material No.01ABB1) .
(3) Install the new packing (2) on the new AIPC 49-32-11-50-030 FILTER ELEMENT (3) or AIPC 49-32-84-21-030 ELEMENT (3).
(4) Install the new packing (1) in the filter orifice of the fuel control unit.
(5) Locate the new filter element (3) on the filter port of the fuel control unit.
(6) Install the fuel filter housing (4) on the fuel control unit.
Subtask 49-32-41-865-060-A ** ON A/C NOT FOR ALL (1) Examine the fuel filter housing (4) for damage.
(2) Lubricate the new AIPC 49-32-11-50-040 PACKING (2) or AIPC 49-32-84-21-040 PACKING (2) and AIPC 49-32-11-50-020 PACKING (1) or AIPC 49-32-84-21-020 PACKING (1) with
Turbine Fuel-- Wide-cut - (Material No.01ABC1) or Turbine Fuel-- Kerosene High Flash Point - (Material No.01ABB1) .
(3) Install the new packing (2) on the new AIPC 49-32-11-50-030 FILTER ELEMENT (3) or AIPC 49-32-84-21-030 ELEMENT (3).
(4) Install the new packing (1) in the filter orifice of the fuel control unit.
(5) Locate the new filter element (3) on the filter port of the fuel control unit.
(6) Install the fuel filter housing (4) on the fuel control unit.
NOTE: The filter housing (4) should be turned clockwise until it is hand tight.
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 49-32-41-870-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | APU/FUEL/BLOW OFF/PUMP | 2QC | B14 |
| 49VU | AIR BLEED/X FEED/VALVE/BAT | 2HV | D13 |
| 121VU | APU/FUEL/BLOW OFF/CTL | 1QC | K39 |
| 121VU | APU/APU/CTL | 2KD | L42 |
| 121VU | APU/ECB/SPLY | 1KD | L41 |
| 121VU | APU/FUEL/LP VALVE/CTL | 1QF | M40 |
| 121VU | APU/FUEL/LP VALVE/SPLY | 2QF | M39 |
| 121VU | APU/FUEL/PUMP/CTL | 3QC | M38 |
D. Purge the air from the APU fuel line (Ref. AMM TASK 28-22-00-710-001).
Subtask 49-32-41-790-051-A ** ON A/C NOT FOR ALL NOTE: When the fuel from the drain hose flows out free of air, release the fuel vent pushbutton.
E. Leak Test
(1) Clean and dry the fuel control unit and the filter housing with Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Start the APU (Ref. AMM TASK 49-00-00-860-005).
(3) Examine the fuel control unit and the filter housing for leaks.
5. Close-up(1) Clean and dry the fuel control unit and the filter housing with Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Start the APU (Ref. AMM TASK 49-00-00-860-005).
(3) Examine the fuel control unit and the filter housing for leaks.
NOTE: No leaks are permitted.
(4) Stop the APU (Ref. AMM TASK 49-00-00-860-006). Subtask 49-32-41-410-054-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 APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-410-001).
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
Subtask 49-32-41-860-055-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-410-001).
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
B. Aircraft Maintenance Configuration.
(1) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(1) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).