DOC AIRBUS | AMM A320FFlushing of the Oil System
TASK 12-13-79-610-807-A
Flushing of the Oil System
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Referenced Information
3. Job Set-up
Subtask 12-13-79-941-075-A
Subtask 12-13-79-170-052-A
Subtask 12-13-79-942-059-A
[Rev.10 from 2021]
2026.03.31 22:55:38 UTC
Flushing of the Oil System
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.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2442) | engine oil |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-13-79-610-802-A | Draining of the Accessory Gearbox (AGB) |
| TASK 12-13-79-610-803-A | Draining of the Lubrication Unit |
| TASK 12-13-79-610-804-A | Draining of the Engine Surface Air Cooling Oil Cooler (SACOC) Left and Right (by Gravity) |
| TASK 12-13-79-610-806-A | Check of the Oil Level and Replenishing (Pressure Filling) |
| TASK 12-13-79-610-808-A | Draining of the Oil Tank |
| TASK 73-29-00-740-803-A | Idle Test (Menu Mode) |
| TASK 79-00-00-200-806-A | Visual Inspection of the A, B and C Sumps, the Accessory Gearbox (AGB) and the Transfer Gearbox Sump Scavenge Screen Plugs for Debris |
| TASK 79-21-05-000-801-A | Removal of the Scavenge Screen Plugs |
| TASK 79-21-05-000-803-A | Removal of the Oil Filter Cartridge |
| TASK 79-21-05-210-801-A | Visual Inspection of the Oil filter Cartridge |
| TASK 79-21-05-400-801-A | Installation of the Scavenge Screen Plugs |
| TASK 79-21-05-400-803-A | Installation of the Oil Filter Cartridge |
| TASK 79-36-00-220-801-A | Detailed Inspection of the Oil Debris Monitoring System (ODMS) Sensor for Debris |
Subtask 12-13-79-941-075-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).
4. Procedure(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).
Subtask 12-13-79-170-052-A
A. Flush the oil system as follows:
(2) Completely drain the oil from the Accessory Gearbox (AGB) (Ref. AMM TASK 12-13-79-610-802).
(3) Completely drain the oil from the lubrication unit (Ref. AMM TASK 12-13-79-610-803).
(4) Completely drain the oil from the engine Surface Air Cooling Oil Cooler (SACOC) (Ref. AMM TASK 12-13-79-610-804).
(5) Fill the oil tank with the engine oil (Material No.CP2442) (Ref. AMM TASK 12-13-79-610-806).
(7) Drain again the oil completely as follows:
(a) Completely drain the oil from the oil tank (Ref. AMM TASK 12-13-79-610-808).
(b) Completely drain the oil from the AGB (Ref. AMM TASK 12-13-79-610-802).
(c) Completely drain the oil from the lubrication unit (Ref. AMM TASK 12-13-79-610-803).
(d) Completely drain the oil from the engine Surface Air Cooling Oil Cooler (SACOC) (Ref. AMM TASK 12-13-79-610-804).
(8) Examine the scavenge screens and the oil filter as follows:
(a) Remove the scavenge screen plugs (Ref. AMM TASK 79-21-05-000-801).
(b) Remove the oil filter (Ref. AMM TASK 79-21-05-000-803).
(c) Inspect the scavenge screens (Ref. AMM TASK 79-00-00-200-806) and the oil filter (Ref. AMM TASK 79-21-05-210-801).
1 If there is no contamination (non - metal chips):
a Install the oil filter (Ref. AMM TASK 79-21-05-400-803).
b Install the scavenge screen plugs (Ref. AMM TASK 79-21-05-400-801).
2 If there is contamination, do the visual inspection of the Oil Debris Monitoring System (ODMS) sensor (Ref. AMM TASK 79-36-00-220-801).
(9) Fill the oil tank with the new engine oil (Ref. AMM TASK 12-13-79-610-806).
(10) Operate the engine at ground idle for ten minutes (Ref. AMM TASK 73-29-00-740-803).
(11) Do a check of the oil quantity with the sight gage, thirty minutes or less after the engine shutdown.
(12) Fill the oil tank to the maximum level (Ref. AMM TASK 12-13-79-610-806).
5. Close-upWARNING:
DO NOT REMOVE THE FILLER CAP OF THE OIL TANK IMMEDIATELY AFTER ENGINE OPERATION. LET THE OIL PRESSURE DECREASE FOR A MINIMUM OF 5 MINUTES AFTER THE ENGINE SHUTDOWN. IF YOU OPEN THE FILLER CAP WHEN THERE IS PRESSURE IN THE TANK, THE OIL CAN BURN YOU DANGEROUSLY.
WARNING:
USE PERSONAL PROTECTION EQUIPMENT. USE THE ENGINE OIL IN A WELL-VENTILATED AREA. ENGINE OIL IS TOXIC.
(1) Completely drain the oil from the oil tank (Ref. AMM TASK 12-13-79-610-808). (2) Completely drain the oil from the Accessory Gearbox (AGB) (Ref. AMM TASK 12-13-79-610-802).
(3) Completely drain the oil from the lubrication unit (Ref. AMM TASK 12-13-79-610-803).
(4) Completely drain the oil from the engine Surface Air Cooling Oil Cooler (SACOC) (Ref. AMM TASK 12-13-79-610-804).
(5) Fill the oil tank with the engine oil (Material No.CP2442) (Ref. AMM TASK 12-13-79-610-806).
NOTE: An oil tank which is half filled is sufficient to flush the oil system.
(6) Operate the engine at ground idle for ten minutes (Ref. AMM TASK 73-29-00-740-803). (7) Drain again the oil completely as follows:
(a) Completely drain the oil from the oil tank (Ref. AMM TASK 12-13-79-610-808).
(b) Completely drain the oil from the AGB (Ref. AMM TASK 12-13-79-610-802).
(c) Completely drain the oil from the lubrication unit (Ref. AMM TASK 12-13-79-610-803).
(d) Completely drain the oil from the engine Surface Air Cooling Oil Cooler (SACOC) (Ref. AMM TASK 12-13-79-610-804).
(8) Examine the scavenge screens and the oil filter as follows:
(a) Remove the scavenge screen plugs (Ref. AMM TASK 79-21-05-000-801).
(b) Remove the oil filter (Ref. AMM TASK 79-21-05-000-803).
(c) Inspect the scavenge screens (Ref. AMM TASK 79-00-00-200-806) and the oil filter (Ref. AMM TASK 79-21-05-210-801).
1 If there is no contamination (non - metal chips):
a Install the oil filter (Ref. AMM TASK 79-21-05-400-803).
b Install the scavenge screen plugs (Ref. AMM TASK 79-21-05-400-801).
2 If there is contamination, do the visual inspection of the Oil Debris Monitoring System (ODMS) sensor (Ref. AMM TASK 79-36-00-220-801).
(9) Fill the oil tank with the new engine oil (Ref. AMM TASK 12-13-79-610-806).
(10) Operate the engine at ground idle for ten minutes (Ref. AMM TASK 73-29-00-740-803).
(11) Do a check of the oil quantity with the sight gage, thirty minutes or less after the engine shutdown.
(12) Fill the oil tank to the maximum level (Ref. AMM TASK 12-13-79-610-806).
Subtask 12-13-79-942-059-A
A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).