DOC AIRBUS | AMM A320FRemoval of the Anti-Ice Exhaust Duct Assembly [CFMI]
TASK 71-11-00-000-046-A
Removal of the Anti-Ice Exhaust Duct Assembly
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 71-11-00-941-079-A ** ON A/C NOT FOR ALL
Subtask 71-11-00-020-066-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:31:53 UTC
Removal of the Anti-Ice Exhaust Duct Assembly
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 | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2185) | masking tape 3M 202 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 434AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 444AR | |
| REFERENCE | DESIGNATION |
|---|---|
Anti-Ice Exhaust Duct AssemblySubtask 71-11-00-941-079-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on ENG control panel 115VU:
(a) Put a WARNING NOTICE(S) in position to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than five 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) in position to tell persons not to energize FADEC 1(2).
4. Procedure(1) On the center pedestal, on ENG control panel 115VU:
(a) Put a WARNING NOTICE(S) in position to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than five 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) in position to tell persons not to energize FADEC 1(2).
Subtask 71-11-00-020-066-A ** ON A/C NOT FOR ALL
A. Removal of the Inlet Cowl Access Panel Assembly and Anti-Ice Exhaust Duct Assembly
(1) Open the pressure relief door (10):
(a) FOR [1000EM1] (ENGINE-1)
434AR
(b) FOR [1000EM2] (ENGINE-2)
444AR
(2) Reach in and loosen clamp (20) that attaches the anti-ice exhaust duct assembly (30) to the anti-ice exhaust boot attachment (40).
(3) Detach the anti-ice exhaust boot attachment (40) from the anti-ice exhaust duct assembly (30).
(4) Remove the 75 bolts (50), that attaches the access panel assembly (60) to the inlet cowl.
(5) Remove access panel assembly (60).
(6) Find the anti-ice exhaust duct assembly (30) mounted on the forward bulkhead.
(7) Remove the six bolts (70) and six washers (80) that attach the anti-ice exhaust duct assembly (30) to the forward bulkhead.
(8) Remove the anti-ice exhaust duct assembly (30).
(9) Put masking tape 3M 202 (Material No.CP2185) over the anti-ice duct port located in the forward bulkhead to prevent material from entering the lip skin cavity.
(1) Open the pressure relief door (10):
(a) FOR [1000EM1] (ENGINE-1)
434AR
(b) FOR [1000EM2] (ENGINE-2)
444AR
(2) Reach in and loosen clamp (20) that attaches the anti-ice exhaust duct assembly (30) to the anti-ice exhaust boot attachment (40).
(3) Detach the anti-ice exhaust boot attachment (40) from the anti-ice exhaust duct assembly (30).
(4) Remove the 75 bolts (50), that attaches the access panel assembly (60) to the inlet cowl.
(5) Remove access panel assembly (60).
(6) Find the anti-ice exhaust duct assembly (30) mounted on the forward bulkhead.
(7) Remove the six bolts (70) and six washers (80) that attach the anti-ice exhaust duct assembly (30) to the forward bulkhead.
(8) Remove the anti-ice exhaust duct assembly (30).
(9) Put masking tape 3M 202 (Material No.CP2185) over the anti-ice duct port located in the forward bulkhead to prevent material from entering the lip skin cavity.