DOC AIRBUS | AMM A320FInstallation of the Fan Disk Shields [CFML]
TASK 72-21-44-400-801-A
Installation of the Fan Disk Shields
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 72-21-44-941-051-A
Subtask 72-21-44-420-050-A
Subtask 72-21-44-942-050-A
[Rev.10 from 2021]
2026.04.01 02:52:03 UTC
Installation of the Fan Disk Shields
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 | 1 | ACCESS PLATFORM 1M(3 FT) |
| No specific | 1 | MAT - PROTECTIVE |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-21-20-400-801-A | Installation of the Fan Blades |
Fan Disk ShieldsSubtask 72-21-44-941-051-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) Make sure that the WARNING NOTICE(S) are 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) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
(4) Make sure that the MAT - PROTECTIVE is in position in the lower half of the inlet cowl.
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) Make sure that the WARNING NOTICE(S) are 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) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
(4) Make sure that the MAT - PROTECTIVE is in position in the lower half of the inlet cowl.
Subtask 72-21-44-420-050-A
A. Installation of the 18 Fan Disk Shields (1)
(1) Make sure that the mating faces are clean and clear of unwanted materials.
(2) Install the 18 fan disk shields (1) in the correct position on the fan disk (2).
(3) Install the fan blades (Ref. AMM TASK 72-21-20-400-801).
5. Close-up(1) Make sure that the mating faces are clean and clear of unwanted materials.
(2) Install the 18 fan disk shields (1) in the correct position on the fan disk (2).
(3) Install the fan blades (Ref. AMM TASK 72-21-20-400-801).
Subtask 72-21-44-942-050-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the MAT - PROTECTIVE.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the MAT - PROTECTIVE.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).