W DOC AIRBUS | AMM A320F

Replacement of the Fuel Filter Cartridge [CFML]


TASK 73-30-00-040-802-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
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 1M(3 FT)
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 71-13-00-010-803-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A
Closing of the Fan Cowl Doors
TASK 73-11-10-000-802-A
Removal of the Fuel Filter Cartridge
TASK 73-11-10-400-802-A
Installation of the Fuel Filter Cartridge
3. Job Set-up
Subtask 73-30-00-941-056-A
A. Safety Precautions
   (1) On the center pedestal, on ENG panel 115VU:
     (a) Make sure that the ENG/MODE selector switch is in the NORM position.
     (b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
     (c) Put WARNING NOTICE(S) in position to tell persons not to operate:
  • The ENG/MODE selector switch, and
  • The ENG/MASTER 1(2) control switch.
   (2) On the ENG section of maintenance panel 50VU:
     (a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
     (b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 73-30-00-010-053-A
B. Get Access
   (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
   (2) Put an ACCESS PLATFORM 1M(3 FT) in position.
4. Procedure
Subtask 73-30-00-020-053-A
A. Replace the fuel filter cartridge (Ref. AMM TASK 73-11-10-000-802) and (Ref. AMM TASK 73-11-10-400-802).
Subtask 73-30-00-869-054-A
B. Make sure that the work area is clean and clear of tools and other items.
Subtask 73-30-00-942-054-A
C. Remove the WARNING NOTICE(S).
5. Close-up
Subtask 73-30-00-410-053-A
A. Close Access
   (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
Subtask 73-30-00-941-057-A
B. 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.
[Rev.10 from 2021] 2026.04.01 03:06:32 UTC