DOC AIRBUS | AMM A320FRemoval of the Visual Indicator [CFMB]
TASK 79-21-30-000-001-A
Removal of the Visual Indicator
1. Reason for the Job
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 79-21-30-941-051-A ** ON A/C NOT FOR ALL
Subtask 79-21-30-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:39:20 UTC
Removal of the Visual Indicator
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | AR | PLIERS - CONNECTOR, JAW, SOFT |
| No specific | AR | PLUG - BLANKING |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
Subtask 79-21-30-941-051-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 79-21-30-010-051-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 the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM1] (ENGINE-1)
447AL 448AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM1] (ENGINE-1)
447AL 448AR
Subtask 79-21-30-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Visual Indicator
PRE SB CFM 79-0014
END OF PRE SB CFM 79-0014
POST SB CFM 79-0014 or POST SB CFM 79-0023 or POST SB CFM 79-0036
Visual Indicator (POST SB CFM 79-0014 or POST SB CFM 79-0023 or POST SB CFM 79-0036) ** ON A/C NOT FOR ALL
END OF POST SB CFM 79-0014 or POST SB CFM 79-0023 or POST SB CFM 79-0036
(1) Disconnect the connectors (10) and (20) from the visual indicator (60). Use PLIERS - CONNECTOR, JAW, SOFT only if necessary.
(2) Remove the two nuts (30) and the two bolts (40).
(3) Remove the visual indicator (60) from the bracket (50).
(4) Put a CAP - BLANKING and a PLUG - BLANKING on the connectors and the receptacles.
PRE SB CFM 79-0014
END OF PRE SB CFM 79-0014
POST SB CFM 79-0014 or POST SB CFM 79-0023 or POST SB CFM 79-0036
Visual Indicator (POST SB CFM 79-0014 or POST SB CFM 79-0023 or POST SB CFM 79-0036) ** ON A/C NOT FOR ALL END OF POST SB CFM 79-0014 or POST SB CFM 79-0023 or POST SB CFM 79-0036
(1) Disconnect the connectors (10) and (20) from the visual indicator (60). Use PLIERS - CONNECTOR, JAW, SOFT only if necessary.
(2) Remove the two nuts (30) and the two bolts (40).
(3) Remove the visual indicator (60) from the bracket (50).
(4) Put a CAP - BLANKING and a PLUG - BLANKING on the connectors and the receptacles.