DOC AIRBUS | AMM A320FInstallation of the Hydraulic Brake Filter
TASK 32-43-21-400-001-A
Installation of the Hydraulic Brake Filter
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Referenced Information
3. Job Set-up
Subtask 32-43-21-860-051-A
Subtask 32-43-21-420-050-A
Subtask 32-43-21-410-050-A
[Rev.10 from 2021]
2026.04.01 00:49:00 UTC
Installation of the Hydraulic Brake Filter
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.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 2862GM ** ON A/C NOT FOR ALL
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.02ABA1) | Phosphate Ester Hydraulic Fluid-General Power - - |
| (Material No.04JMD9) | Top Coat Polyurethane-- Decorative Furnishing |
| (Material No.06AEA1) | Polysulfide Sealant-Low Adhesion Brushable - |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-12-29-611-001-A | Fill the Hydraulic Fluid Reservoir with a Hand Pump |
| TASK 12-14-32-614-002-A | Nitrogen Filling of the Yellow Hydraulic System, Brake Pressure Accumulator |
| TASK 20-23-11-917-001-A | Tightening Practices for Hydraulic Connections |
| 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 29-10-00-864-002-A | Depressurize the Yellow Hydraulic System |
| TASK 29-14-00-614-001-A | Depressurization of the Hydraulic Reservoirs |
| TASK 29-23-00-860-002-A | Connection 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 32-12-00-410-001-A | Close the Main Gear Doors after Access |
| TASK 32-43-00-710-001-A | Operational Check of Alternate Braking System |
| TASK 51-75-13-916-002-A | Repair to a layer of Corrosion Preventive Compound |
Hydraulic Brake Filter - Location and DetailSubtask 32-43-21-860-051-A
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft elecrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the PTU isolation coupling is disconnected (Ref. AMM TASK 29-23-00-860-002).
(3) Make sure that the flight configuration precautions are obeyed (Ref. AMM TASK 32-00-00-860-001).
(4) Make sure that the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-10-00-864-002).
(5) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
Subtask 32-43-21-865-051-A (1) Make sure that the aircraft elecrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the PTU isolation coupling is disconnected (Ref. AMM TASK 29-23-00-860-002).
(3) Make sure that the flight configuration precautions are obeyed (Ref. AMM TASK 32-00-00-860-001).
(4) Make sure that the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-10-00-864-002).
(5) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 32-43-21-560-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY | 4GG | M36 |
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS2/CTL | 3GG | M35 |
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS1/CTL | 1GG | M34 |
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY | 2GG | M33 |
| 121VU | HYDRAULIC/PARK BRK/CTL/STBY | 71GG | N37 |
| 121VU | HYDRAULIC/PARK BRK/CTL/NORM | 70GG | N36 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N31 |
| ** ON A/C ALL | |||
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
C. Preparation of Replacement Component
(1) Remove the unions (2) from the hydraulic brake filter (4) that was removed.
(2) Remove and discard the packings (3).
(3) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the new packings (3) and the threads of the unions (2).
(4) Install the packings (3) on the unions (2).
(5) Install the unions (2) in the new hydraulic brake filter (4).
(6) TORQUE the unions (2) to between 3.470 and 3.186 m.daN (25.59 and 23.50 lbf.ft )
.
Subtask 32-43-21-560-051-A (1) Remove the unions (2) from the hydraulic brake filter (4) that was removed.
(2) Remove and discard the packings (3).
(3) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the new packings (3) and the threads of the unions (2).
(4) Install the packings (3) on the unions (2).
(5) Install the unions (2) in the new hydraulic brake filter (4).
(6) TORQUE the unions (2) to between 3.470 and 3.186 m.daN (25.59 and 23.50 lbf.ft )
. D. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
4. Procedure(1) Clean the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
Subtask 32-43-21-420-050-A
A. Installation of the Hydraulic Brake Filter
(1) Put the hydraulic brake filter (4) in position and install the washers (5) and the bolts (6). Apply the Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the component interface.
(2) Remove the blanking plugs and install the connectors (1) to the unions (2).
(3) TORQUE the connectors (1) to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft ) (Ref. AMM TASK 20-23-11-917-001).
(4) Make a mark on the connectors with the Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) .
Subtask 32-43-21-865-052-A (1) Put the hydraulic brake filter (4) in position and install the washers (5) and the bolts (6). Apply the Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the component interface.
(2) Remove the blanking plugs and install the connectors (1) to the unions (2).
(3) TORQUE the connectors (1) to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft )
(Ref. AMM TASK 20-23-11-917-001). (4) Make a mark on the connectors with the Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) .
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 32-43-21-860-052-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY | 4GG | M36 |
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS2/CTL | 3GG | M35 |
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS1/CTL | 1GG | M34 |
| 121VU | HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY | 2GG | M33 |
| 121VU | HYDRAULIC/PARK BRK/CTL/STBY | 71GG | N37 |
| 121VU | HYDRAULIC/PARK BRK/CTL/NORM | 70GG | N36 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N31 |
| ** ON A/C ALL | |||
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
C. Prepare for the Test
(1) If necessary fill the reservoir of the Yellow hydraulic system to the correct level (Ref. AMM TASK 12-12-29-611-001).
(2) Connect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-002).
(3) Remove the container.
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).
Subtask 32-43-21-710-050-A (1) If necessary fill the reservoir of the Yellow hydraulic system to the correct level (Ref. AMM TASK 12-12-29-611-001).
(2) Connect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-002).
(3) Remove the container.
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).
D. Test
(1) Pressurize the brake accumulator (Ref. AMM TASK 12-14-32-614-002).
(2) Do the operational check of the Alternate braking system (Ref. AMM TASK 32-43-00-710-001).
(3) Make sure that there is no hydraulic fluid leakage from the hydraulic brake filter 2862GM. Leaks are not permitted.
5. Close-up(1) Pressurize the brake accumulator (Ref. AMM TASK 12-14-32-614-002).
(2) Do the operational check of the Alternate braking system (Ref. AMM TASK 32-43-00-710-001).
(3) Make sure that there is no hydraulic fluid leakage from the hydraulic brake filter 2862GM. Leaks are not permitted.
Subtask 32-43-21-410-050-A
A. Close Access
(1) Apply corrosion protection to the connectors, unions and adjacent areas (Ref. AMM TASK 51-75-13-916-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the right MLG door (Ref. AMM TASK 32-12-00-410-001).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Apply corrosion protection to the connectors, unions and adjacent areas (Ref. AMM TASK 51-75-13-916-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the right MLG door (Ref. AMM TASK 32-12-00-410-001).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.