DOC AIRBUS | AMM A320FSampling of the Oil for Analysis
TASK 12-32-79-281-001-A
Sampling of the Oil for Analysis
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 12-32-79-941-050-A ** ON A/C NOT FOR ALL
Subtask 12-32-79-160-050-A ** ON A/C NOT FOR ALL
Subtask 12-32-79-410-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:10:37 UTC
Sampling of the Oil for Analysis
WARNING:
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.
1. Reason for the JobNOTE: you must do the sampling in the 15 to 30 minutes subsequent to engine shutdown and before you add oil to the tank
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | BOTTLE - PLASTIC |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437BL | |
| FOR [1000EM2] (ENGINE-2) | |
| 447BL | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-13-79-610-001-A | Check Oil Level and Replenish |
| TASK 12-13-79-610-001-A-01 | Check Oil Level and Replenish (Pressure Filling) |
| TASK 79-11-10-300-006-A | Replacement of the O-ring from the Oil Cap Assembly. |
Removal of Oil Tank Filler CapSubtask 12-32-79-941-050-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 12-32-79-010-050-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 oil tank servicing access door :
(1) FOR [1000EM1] (ENGINE-1)
437BL
(2) FOR [1000EM2] (ENGINE-2)
447BL
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437BL
(2) FOR [1000EM2] (ENGINE-2)
447BL
Subtask 12-32-79-160-050-A ** ON A/C NOT FOR ALL
A. Clean the oil tank scupper
Subtask 12-32-79-010-051-A ** ON A/C NOT FOR ALL CAUTION:
MAKE SURE THAT THE OIL TANK SCUPPER IS CLEAN TO PREVENT CONTAMINATION OF THE TANK DURING THE SERVICING OPERATIONS.
(1) Clean the oil tank scupper with a clean Textile-Lint free Cotton - (Material No.14SBA1) before you remove the oil tank filler cap. B. Open the oil tank as follows :
(1) Raise oil tank filler cap handle to vertical (unlocked) position.
(2) Firmly grip oil tank filler cap handle, push down and at the same time turn counter clockwise to disengage locking device and remove cap.
Subtask 12-32-79-281-050-A ** ON A/C NOT FOR ALL (1) Raise oil tank filler cap handle to vertical (unlocked) position.
(2) Firmly grip oil tank filler cap handle, push down and at the same time turn counter clockwise to disengage locking device and remove cap.
C. Take sample by squeezing :
(2) Tag oil samples as follows:
(4) Operating time since last oil sampling.
(5) Date of sample.
(6) Identification of engine (Serial Number).
(7) Type and brand of oil used.
Subtask 12-32-79-610-050-A ** ON A/C NOT FOR ALL Subtask 12-32-79-410-050-A ** ON A/C NOT FOR ALL CAUTION:
USE A NEW AND VERY CLEAN PLASTIC BOTTLE WITH A NEW SCREW TOP AND A NEW PLASTIC TUBE. DO NOT USE THESE ITEMS AGAIN.
(1) Take sample by squeezing a BOTTLE - PLASTIC and then a dipping tube end into oil. (2) Tag oil samples as follows:
NOTE: Samples for chemical or spectrometric analysis should be sent to laboratory as soon as possible.
(3) Engine total operating time. (4) Operating time since last oil sampling.
(5) Date of sample.
(6) Identification of engine (Serial Number).
(7) Type and brand of oil used.
E. Close oil tank filler cap as follows :
(1) Inspect the O-ring seal of the oil tank filler cap to make sure it is in good condition or does not show signs of leakage. If not, replace the seal (Ref. AMM TASK 79-11-10-300-006).
(2) Install oil tank filler cap with handle in vertical position, grip handle, push down on the cap and at the same time turn clockwise to engage the locking device.
(3) Pull up on oil tank filler cap. If the locking device is properly engaged, the cap cannot be pulled from tank.
(4) Push hinged oil tank cap handle down flat into the locked position.
5. Close-up(1) Inspect the O-ring seal of the oil tank filler cap to make sure it is in good condition or does not show signs of leakage. If not, replace the seal (Ref. AMM TASK 79-11-10-300-006).
(2) Install oil tank filler cap with handle in vertical position, grip handle, push down on the cap and at the same time turn clockwise to engage the locking device.
(3) Pull up on oil tank filler cap. If the locking device is properly engaged, the cap cannot be pulled from tank.
(4) Push hinged oil tank cap handle down flat into the locked position.
Subtask 12-32-79-410-051-A ** ON A/C NOT FOR ALL