DOC AIRBUS | AMM A320FReplacement of the Fuel Filter Cartridge [CFMB]
TASK 73-30-00-040-043-A
Replacement of the Fuel Filter Cartridge
1. Reason for the Job
MMEL 73-09-01A
ENG 1(2) FUEL FILTER CLOG ALERT
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 73-30-00-941-050-A ** ON A/C NOT FOR ALL
Subtask 73-30-00-020-050-A ** ON A/C NOT FOR ALL
Subtask 73-30-00-869-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:59:53 UTC
Replacement of the Fuel Filter Cartridge
1. Reason for the Job
MMEL 73-09-01A
ENG 1(2) FUEL FILTER CLOG ALERT
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-B | Closing of the Fan Cowl Doors |
| TASK 73-11-10-000-004-A | Removal of the Fuel Filter Element |
| TASK 73-11-10-400-004-A | Installation of the Fuel Filter Element |
Subtask 73-30-00-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 73-30-00-010-050-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 73-30-00-020-050-A ** ON A/C NOT FOR ALL
A. Replace the fuel filter cartridge (Ref. AMM TASK 73-11-10-000-004) and (Ref. AMM TASK 73-11-10-400-004).
5. Close-upSubtask 73-30-00-869-055-A ** ON A/C NOT FOR ALL
A. Make sure that the work area is clean and clear of tools and other items.
Subtask 73-30-00-410-050-A ** ON A/C NOT FOR ALL B. Close the fan cowl doors: (Ref. AMM TASK 71-13-00-410-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 73-30-00-942-055-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
C. Remove the WARNING NOTICE(S).
Subtask 73-30-00-941-051-A ** ON A/C NOT FOR ALL D. Do an entry in the log book to tell that the fuel filter CLOG indication (on the lower ECAM display unit) does not operate, and record the replacement of the fuel filter.