DOC AIRBUS | AMM A320FRemoval of the Gearbox Breather Vent [IAE]
TASK 71-13-16-000-011-B
Removal of the Gearbox Breather Vent
This TASK is for the V2500-A5 engines.
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 71-13-16-941-057-A ** ON A/C NOT FOR ALL
Subtask 71-13-16-020-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 12:56:22 UTC
Removal of the Gearbox Breather Vent
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.
1. Reason for the JobThis TASK is for the V2500-A5 engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| 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 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
Gearbox Breather VentSubtask 71-13-16-941-057-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 71-13-16-010-059-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. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
4. Procedure(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
Subtask 71-13-16-020-055-A ** ON A/C NOT FOR ALL
A. Remove the gearbox breather vent
(1) Hold the weight of the gearbox breather vent (5).
(2) Remove the nuts (2), the washers (3) and the bolts (4) from the gearbox breather vent (5).
(3) Keep the washers (3), the nuts (2) and the bolts (4) for installation.
(4) Put CAP - BLANKING on the gearbox breather vent (5), the gearbox breather outlet duct (7) and the gearbox breather duct assembly (1).
(1) Hold the weight of the gearbox breather vent (5).
(2) Remove the nuts (2), the washers (3) and the bolts (4) from the gearbox breather vent (5).
(3) Keep the washers (3), the nuts (2) and the bolts (4) for installation.
(4) Put CAP - BLANKING on the gearbox breather vent (5), the gearbox breather outlet duct (7) and the gearbox breather duct assembly (1).