DOC AIRBUS | AMM A320FRemoval of the Manifold Assembly
TASK 32-31-17-000-802-A
Removal of the Manifold Assembly
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 32-31-17-941-052-A
Subtask 32-31-17-020-051-A
[Rev.10 from 2021]
2026.04.01 00:44:36 UTC
Removal of the Manifold Assembly
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.
ZONE: 744
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 - HYDRAULIC FLUID RESISTANT |
| No specific | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 744 | MAIN DOOR |
| 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 |
| TASK 32-31-17-000-001-A | Removal of the Landing Gear Safety-Valve |
Landing Gear Manifold-Assembly - Location and DetailSubtask 32-31-17-941-052-A
A. Safety Precautions
(1) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the Green hydraulic system:
Subtask 32-31-17-860-054-A (1) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the Green hydraulic system:
- On panel 40VU in the cockpit
- On the ground service panel of the Green hydraulic system.
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(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) Depressurize the Green hydraulic system
(Ref. AMM TASK 29-10-00-864-001).
(5) Depressurize the reservoir of the Green hydraulic system
(Ref. AMM TASK 29-14-00-614-001).
Subtask 32-31-17-010-052-A (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(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) Depressurize the Green hydraulic system
(Ref. AMM TASK 29-10-00-864-001).
(5) Depressurize the reservoir of the Green hydraulic system
(Ref. AMM TASK 29-14-00-614-001).
C. Get Access
(1) Make sure that the right MLG door is opened (Ref. AMM TASK 32-12-00-010-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(3) Put the CONTAINER - HYDRAULIC FLUID RESISTANT below the manifold assembly (1) to collect the hydraulic fluid leakage.
Subtask 32-31-17-865-054-A (1) Make sure that the right MLG door is opened (Ref. AMM TASK 32-12-00-010-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(3) Put the CONTAINER - HYDRAULIC FLUID RESISTANT below the manifold assembly (1) to collect the hydraulic fluid leakage.
D. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| 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 |
Subtask 32-31-17-020-051-A
A. Removal of the Manifold Assembly
(1) Remove the landing gear safety-valve (Ref. AMM TASK 32-31-17-000-001).
(2) Disconnect the hydraulic unions (2), (3) and (6).
(3) Put the PLUG-BLANKING in each disconnected line end.
(4) Remove the bolts (4) and the washers (5).
(5) Carefully remove the manifold assembly (1) from the aircraft structure.
(1) Remove the landing gear safety-valve (Ref. AMM TASK 32-31-17-000-001).
(2) Disconnect the hydraulic unions (2), (3) and (6).
(3) Put the PLUG-BLANKING in each disconnected line end.
(4) Remove the bolts (4) and the washers (5).
(5) Carefully remove the manifold assembly (1) from the aircraft structure.