DOC AIRBUS | AMM A320FRemoval of the L/G Free-Fall Cutout-Valve
TASK 32-33-12-000-001-A
Removal of the L/G Free-Fall Cutout-Valve
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 32-33-12-860-050-A
Subtask 32-33-12-020-050-A
[Rev.10 from 2021]
2026.04.01 00:46:28 UTC
Removal of the L/G Free-Fall Cutout-Valve
WARNING:
MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING:
OBEY THE HYDRAULIC SAFETY PROCEDURES.
WORK ON THE HYDRAULIC SYSTEMS CAN BE DANGEROUS.
FIN: 2515GM
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 2M (6 FT) - ADJUSTABLE |
| No specific | 1 | CONTAINER 5 L (1.32 USGAL) |
| No specific | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 2 | WARNING NOTICE(S) |
| 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 29-00-00-910-002-A | Safety Procedures of the Hydraulic System |
| TASK 29-10-00-864-001-A | Depressurize the Green Hydraulic System |
| TASK 29-14-00-614-001-A | Depressurization of the Hydraulic Reservoirs |
| TASK 29-23-00-860-001-A | Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) |
| TASK 32-00-00-860-001-A | Flight Configuration Precautions with Electrical Power |
| TASK 32-00-00-860-001-A-01 | Flight Configuration Precautions without Electrical Power |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
Cutout Valve 2515GM - L/G Free FallSubtask 32-33-12-860-050-A
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Depressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-864-001).
Subtask 32-33-12-010-050-A Subtask 32-33-12-869-051-A (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Depressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-864-001).
C. Disconnection of the PTU Isolation Coupling
(1) Depressurize the reservoir of the Green hydraulic system (Ref. AMM TASK 29-14-00-614-001).
(2) Disconnect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-001).
(3) Obey the flight configuration precautions (Ref. AMM TASK 32-00-00-860-001).
(4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(5) Put the CONTAINER 5 L (1.32 USGAL) below the cutout valve (3) to collect the hydraulic fluid leakage.
Subtask 32-33-12-865-050-A (1) Depressurize the reservoir of the Green hydraulic system (Ref. AMM TASK 29-14-00-614-001).
(2) Disconnect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-001).
(3) Obey the flight configuration precautions (Ref. AMM TASK 32-00-00-860-001).
(4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(5) Put the CONTAINER 5 L (1.32 USGAL) below the cutout valve (3) to collect the hydraulic fluid leakage.
D. Open, safety and tag this(these) circuit breaker(s):
Subtask 32-33-12-941-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | L/G/LGCIU/SYS1/NORM | 1GA | C09 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | H12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | R35 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R34 |
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/LGCIU/SYS2 | 2GA | Q35 |
| 121VU | HYDRAULIC/LGCIU/SYS1/GRND SPLY | 52GA | Q34 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
E. Safety Precautions
(1) Put the WARNING NOTICE(S) in position:
4. Procedure(1) Put the WARNING NOTICE(S) in position:
- On the panel 40VU and the ground service panel to tell persons not to pressurize the Green hydraulic system,
- On the free-fall extension-handle to tell persons not to operate the L/G free-fall extension system.
Subtask 32-33-12-020-050-A
A. Removal of the L/G Free-Fall Cutout-Valve 2515GM
(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
(2) Remove and discard the cotter pin (13).
(3) Remove the nut (15), the washer (16), the bolt (18) and the bush (17).
(4) Move the adjustable rod (7) away from the lever (9).
(5) Disconnect the connectors (2), (5) and (19) and remove the elbow assemblies (1), (6) and (20).
(6) Put the PLUG-BLANKING in each disconnected line end.
(7) Remove the nuts (4), the bolts (21) and the washers (22) and remove the cutout valve (3).
(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
(2) Remove and discard the cotter pin (13).
(3) Remove the nut (15), the washer (16), the bolt (18) and the bush (17).
(4) Move the adjustable rod (7) away from the lever (9).
(5) Disconnect the connectors (2), (5) and (19) and remove the elbow assemblies (1), (6) and (20).
(6) Put the PLUG-BLANKING in each disconnected line end.
(7) Remove the nuts (4), the bolts (21) and the washers (22) and remove the cutout valve (3).