DOC AIRBUS | AMM A320FRemoval of the Outflow Valve - Feedback Assembly 10HL-6
TASK 21-31-51-000-005-A
Removal of the Outflow Valve - Feedback Assembly 10HL-6
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 21-31-51-861-056-A Subtask 21-31-51-865-109-A
Subtask 21-31-51-020-055-A
[Rev.10 from 2021]
2026.04.02 06:48:13 UTC
Removal of the Outflow Valve - Feedback Assembly 10HL-6
WARNING:
MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
1. Reason for the JobNOTE: This procedure is only applicable for Outflow Valve Part Numbers 9023-15703-81 and previous.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 162CW, 826 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 25-55-12-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65 |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
Subtask 21-31-51-861-056-A Subtask 21-31-51-865-109-A
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 21-31-51-010-054-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | AIR COND/CAB/PRESS/CTL1 | 1HL | D09 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/AFT CARGO VENT/FAN | 30HN | S22 |
| ** ON A/C ALL | |||
| 122VU | AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY | 6HU | U19 |
| 122VU | AIR COND/CAB PRESS/CTL/MAN | 3HL | Y23 |
| 122VU | AIR COND/CAB PRESS/CTL/2 | 2HL | Y22 |
C. Get Access
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the AFT cargo-compartment door 826.
(3) Remove the access panel 162CW (Ref. AMM TASK 25-55-12-000-003).
Subtask 21-31-51-010-054-B ** ON A/C NOT FOR ALL WARNING:
DO NOT OPEN OR GO NEAR PRESSURE-SEALED DOORS WHEN THE AIRCRAFT IS PRESSURIZED.
A PRESSURE-SEALED DOOR THAT OPENS WHEN THE AIRCRAFT IS PRESSURIZED:
- WILL CAUSE EXPLOSIVE DECOMPRESSION.
- CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAUSE DAMAGE TO THE AIRCRAFT OR EQUIPMENT.
WARNING:
OPEN THE ACCESS DOOR AND MAKE SURE IT STAYS OPEN.
ATTACH A WARNING NOTICE TO THE ACCESS DOOR TO TELL PERSONS NOT TO CLOSE IT.
THIS IS TO PREVENT ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT BY THE AIR CONDITIONING SYSTEM IF ALL THE OTHER CABIN OPENINGS ARE CLOSED.
PRESSURIZATION OF THE AIRCRAFT CAN BE DANGEROUS.
IT CAN CAUSE A DOOR TO OPEN WITH EXPLOSIVE FORCE WHICH CAN CAUSE INJURY AND/OR DAMAGE.
(1) Open the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001). (2) Put the ACCESS PLATFORM 2M (6 FT) in position at the AFT cargo-compartment door 826.
(3) Remove the access panel 162CW (Ref. AMM TASK 25-55-12-000-003).
C. Get Access
Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL
Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the AFT cargo-compartment door 826.
(3) Remove the access panel 162CW (Ref. AMM TASK 25-55-12-000-003).
(4) Remove the bolt (27), the washer (28) and disconnect the bonding straps (4) and (11).
(5) Release the quick-release fasteners (12) and remove the grill (9) from the retaining clips (10).
4. Procedure Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL WARNING:
DO NOT OPEN OR GO NEAR PRESSURE-SEALED DOORS WHEN THE AIRCRAFT IS PRESSURIZED.
A PRESSURE-SEALED DOOR THAT OPENS WHEN THE AIRCRAFT IS PRESSURIZED:
- WILL CAUSE EXPLOSIVE DECOMPRESSION.
- CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAUSE DAMAGE TO THE AIRCRAFT OR EQUIPMENT.
WARNING:
OPEN THE ACCESS DOOR AND MAKE SURE IT STAYS OPEN.
ATTACH A WARNING NOTICE TO THE ACCESS DOOR TO TELL PERSONS NOT TO CLOSE IT.
THIS IS TO PREVENT ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT BY THE AIR CONDITIONING SYSTEM IF ALL THE OTHER CABIN OPENINGS ARE CLOSED.
PRESSURIZATION OF THE AIRCRAFT CAN BE DANGEROUS.
IT CAN CAUSE A DOOR TO OPEN WITH EXPLOSIVE FORCE WHICH CAN CAUSE INJURY AND/OR DAMAGE.
(1) Open the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001). (2) Put the ACCESS PLATFORM 2M (6 FT) in position at the AFT cargo-compartment door 826.
(3) Remove the access panel 162CW (Ref. AMM TASK 25-55-12-000-003).
(4) Remove the bolt (27), the washer (28) and disconnect the bonding straps (4) and (11).
(5) Release the quick-release fasteners (12) and remove the grill (9) from the retaining clips (10).
Subtask 21-31-51-020-055-A
A. Removal of the Feedback Assembly
Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL
Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL
(1) Disconnect the electrical connectors (23) 10HL-E and (26) 10HL-D.
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the screws (60), the washers (61) and the feedback assembly (62) 10HL-6.
Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL Feedback Assembly 10HL-6 - Component Location ** ON A/C NOT FOR ALL (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the screws (60), the washers (61) and the feedback assembly (62) 10HL-6.