DOC AIRBUS | AMM A320FRemoval of the Oil Filter Cartridge [CFML]
TASK 79-21-05-000-803-A
Removal of the Oil Filter Cartridge
Self explanatory
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 79-21-05-941-056-A
Subtask 79-21-05-020-054-A
[Rev.10 from 2021]
2026.04.01 04:34:03 UTC
Removal of the Oil Filter Cartridge
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
FIN: 4013EM
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - PROTECTION |
| No specific | AR | COVER - PROTECTION |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1) | |
| 437AL, 438AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-803-A | Opening of the Fan Cowl Doors |
| TASK 79-21-05-000-804-A | Removal of the Lubrication Unit |
| TASK 79-21-05-400-804-A | Installation of the Lubrication Unit |
Oil Filter CartridgeSubtask 79-21-05-941-056-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:
(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 79-21-05-010-052-A (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.
(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).
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
4. Procedure(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
Subtask 79-21-05-020-054-A
A. Removal of the Oil Filter Cartridge (1)
(1) Drain the lubrication unit (2) as follows:
(a) Put a 1.32 gal (5 liters) tank below the drain port of the lubrication unit (2).
(b) Cut and discard the safety wire from the drain plug (10).
(c) Remove the drain plug (10) from the oil filter cover (6).
(d) Let the oil drain into the 1.32 gal (5 liters) tank.
(e) Remove and discard the O-ring (9) from the drain plug (10).
(2) Remove the two nuts (3) and the two bolts (4) that attach the oil filter cover (6) to the lubrication unit (2).
(3) Remove the two bolts (5) that attach the oil filter cover (6) to the lubrication unit (2).
(4) Remove the oil filter cover (6) from the lubrication unit (2).
(5) Remove and discard the O-ring (7) from the groove of the oil filter cover (6).
(6) Remove the oil filter cartridge (1) from the lubrication unit (2).
(7) Remove and discard the O-ring (8) from the groove of the oil filter cartridge (1).
(8) Install the COVER - PROTECTION and the CAP - PROTECTION on the lubrication unit (2).
(9) Inspect the 2 inserts on the housing at the oil filter cover (6) location for indications such as insert pulled out, insert movement, impacted thread insert. If any, replace the lubrication unit (2) (Ref. AMM TASK 79-21-05-000-804) and (Ref. AMM TASK 79-21-05-400-804).
(1) Drain the lubrication unit (2) as follows:
(a) Put a 1.32 gal (5 liters) tank below the drain port of the lubrication unit (2).
(b) Cut and discard the safety wire from the drain plug (10).
(c) Remove the drain plug (10) from the oil filter cover (6).
(d) Let the oil drain into the 1.32 gal (5 liters) tank.
(e) Remove and discard the O-ring (9) from the drain plug (10).
(2) Remove the two nuts (3) and the two bolts (4) that attach the oil filter cover (6) to the lubrication unit (2).
(3) Remove the two bolts (5) that attach the oil filter cover (6) to the lubrication unit (2).
(4) Remove the oil filter cover (6) from the lubrication unit (2).
(5) Remove and discard the O-ring (7) from the groove of the oil filter cover (6).
(6) Remove the oil filter cartridge (1) from the lubrication unit (2).
(7) Remove and discard the O-ring (8) from the groove of the oil filter cartridge (1).
(8) Install the COVER - PROTECTION and the CAP - PROTECTION on the lubrication unit (2).
(9) Inspect the 2 inserts on the housing at the oil filter cover (6) location for indications such as insert pulled out, insert movement, impacted thread insert. If any, replace the lubrication unit (2) (Ref. AMM TASK 79-21-05-000-804) and (Ref. AMM TASK 79-21-05-400-804).