DOC AIRBUS | AMM A320FRemoval of the Tubings - IDG Cooling Oil
TASK 24-21-49-000-040-A
Removal of the Tubings - IDG Cooling Oil
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 24-21-49-941-053-A ** ON A/C NOT FOR ALL
Subtask 24-21-49-864-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:21:05 UTC
Removal of the Tubings - IDG Cooling Oil
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:
DO NOT LET ENGINE OIL STAY ON YOUR SKIN FOR A LONG TIME. FLUSH THE OIL FROM YOUR SKIN WITH WATER. THE OIL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
WARNING:
WEAR GOGGLES, INSULATED GLOVES AND OTHER PROTECTIVE CLOTHES.
HOT OIL CAN BURN YOUR EYES AND SKIN.
IF OIL TOUCHES YOUR EYES OR SKIN, GET MEDICAL AID.
CAUTION:
DO NOT LET ENGINE FUEL OR OIL FALL ON THE ENGINE. UNWANTED FUEL OR OIL MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FUEL OR OIL CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.
FIN: 4000XU ** ON A/C NOT FOR ALL
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | CONTAINER 4 L (1 USGAL) |
| No specific | AR | COVER - PROTECTION |
| No specific | AR | FILLING EQUIPMENT - TANK OIL |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| 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-A | Opening of the Fan Cowl Doors |
Tubings - (IDG) Oil CoolingSubtask 24-21-49-941-053-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 24-21-49-865-059-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, safety and tag this(these) circuit breaker(s):
Subtask 24-21-49-010-055-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 4000XU (IDG) FOR FIN: 1000EM1 (ENGINE1) | |||
| 122VU | ELEC/GCU/1 | 2XU1 | T26 |
| 122VU | ELEC/IDG1/DISC | 1XT | T24 |
| FOR FIN: 4000XU (IDG) FOR FIN: 1000EM2 (ENGINE2) | |||
| 122VU | ELEC/GCU/2 | 2XU2 | T27 |
| 122VU | ELEC/IDG2/DISC | 2XT | T25 |
C. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 24-21-49-864-052-A ** ON A/C NOT FOR ALL
A. Depressurization of the IDG case
(2) Remove the dust cap from the overflow drain half-coupling .
(3) Connect the overflow drain hose of the FILLING EQUIPMENT - TANK OIL to the overflow drain half-coupling . Oil can come out of the overflow drain hose of the FILLING EQUIPMENT - TANK OIL from the overflow drain half-coupling.
(4) Disconnect the overflow drain hose of the FILLING EQUIPMENT - TANK OIL from the overflow drain half-coupling.
(5) Install the dust cap on the overflow drain half-coupling.
Subtask 24-21-49-020-056-A ** ON A/C NOT FOR ALL WARNING:
YOU MUST PUT THE DRAIN HOSE INTO A CONTAINER BEFORE YOU CONNECT THE DRAIN HOSE TO THE OVERFLOW DRAIN HALF-COUPLING. MAKE SURE THAT THE DRAIN HOSE HANGS DOWN VERTICALLY AND THE END OF THE HOSE IS ABOVE THE OIL LEVEL IN THE CONTAINER. WHEN YOU CONNECT THE DRAIN HOSE TO THE IDG, YOU RELEASE THE OIL PRESSURE AND OIL WILL SPRAY FROM THE DRAIN HOSE.
(1) Put a CONTAINER 4 L (1 USGAL) in position under the IDG. (2) Remove the dust cap from the overflow drain half-coupling .
(3) Connect the overflow drain hose of the FILLING EQUIPMENT - TANK OIL to the overflow drain half-coupling . Oil can come out of the overflow drain hose of the FILLING EQUIPMENT - TANK OIL from the overflow drain half-coupling.
(4) Disconnect the overflow drain hose of the FILLING EQUIPMENT - TANK OIL from the overflow drain half-coupling.
(5) Install the dust cap on the overflow drain half-coupling.
B. Removal of the IDG Hoses (Tubings) from the IDG and IDG Cooler
(2) Disconnect and remove the hoses (1) and (2) from IDG and IDG cooler.
(3) Install the COVER - PROTECTION on the hoses (1) and (2).
(4) Install the COVER - PROTECTION on the unions (4) and (3) of the IDG and on the unions (6) and (5) of the IDG cooler.
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
(1) Put the container below the IDG hoses (1) and (2) to catch oil when hoses are disconnected from the IDG generator and IDG cooler. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
(2) Disconnect and remove the hoses (1) and (2) from IDG and IDG cooler.
(3) Install the COVER - PROTECTION on the hoses (1) and (2).
(4) Install the COVER - PROTECTION on the unions (4) and (3) of the IDG and on the unions (6) and (5) of the IDG cooler.