DOC AIRBUS | AMM A320FRemoval of the Lower Starter Duct [CFMB]
TASK 80-13-42-000-041-A
Removal of the Lower Starter Duct
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 80-13-42-941-050-A ** ON A/C NOT FOR ALL
Subtask 80-13-42-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:44:29 UTC
Removal of the Lower Starter Duct
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 JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | PLUG - 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 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
Lower Starter DuctSubtask 80-13-42-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(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).
(4) On the AIR COND panel 30VU:
Subtask 80-13-42-941-050-B ** ON A/C NOT FOR ALL WARNING:
IF IT IS NECESSARY TO ENERGIZE THE AIRCRAFT FOR A MAINTENANCE WORK WHILE YOU DO THIS MAINTENANCE PROCEDURE, MAKE SURE THAT ONLY EXTERNAL POWER IS USED. THE USE OF APU OR ENGINE POWER CAN CAUSE PRESSURIZED AIR LEAKAGE IN THE PNEUMATIC SYSTEM, AND INJURY CAN OCCUR.
(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).
(4) On the AIR COND panel 30VU:
- make sure that the APU BLEED pushbutton switch is released (ON legend is off),
- put a WARNING NOTICE(S) to tell persons not to operate the pneumatic system.
- put a WARNING NOTICE(S) to tell persons not to pressurize the pneumatic system.
A. Safety Precautions
(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).
(4) On the AIR COND panel 30VU:
Subtask 80-13-42-010-050-A ** ON A/C NOT FOR ALL WARNING:
IF IT IS NECESSARY TO ENERGIZE THE AIRCRAFT FOR A MAINTENANCE WORK WHILE YOU DO THIS MAINTENANCE PROCEDURE, MAKE SURE THAT ONLY EXTERNAL POWER IS USED. THE USE OF APU OR ENGINE POWER CAN CAUSE PRESSURIZED AIR LEAKAGE IN THE PNEUMATIC SYSTEM, AND INJURY CAN OCCUR.
(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).
(4) On the AIR COND panel 30VU:
- make sure that the APU BLEED pushbutton switch is released (OFF legend is on),
- put a WARNING NOTICE(S) to tell persons not to operate the pneumatic system.
- put a WARNING NOTICE(S) to tell persons not to pressurize the pneumatic system.
B. Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 80-13-42-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the lower starter duct.
(1) Remove the coupling (5) that attaches the starter duct (25) to the starter valve.
(2) Remove the coupling (5) that attaches the starter duct (25) to the starter.
(3) Cut the lockwire and remove the bolts (10), the washers (15), and the nuts (20) from the links (30) on the two sides of the duct.
(4) Remove the lower starter duct (25) from the engine.
(5) Install PLUG - BLANKING on the opening of the starter, the opening of the starter valve, and the two ends of the lower starter duct (25).
(1) Remove the coupling (5) that attaches the starter duct (25) to the starter valve.
(2) Remove the coupling (5) that attaches the starter duct (25) to the starter.
(3) Cut the lockwire and remove the bolts (10), the washers (15), and the nuts (20) from the links (30) on the two sides of the duct.
(4) Remove the lower starter duct (25) from the engine.
(5) Install PLUG - BLANKING on the opening of the starter, the opening of the starter valve, and the two ends of the lower starter duct (25).