DOC AIRBUS | AMM A320FServicing of the Hydraulic Brake Filter
TASK 32-42-12-610-001-A
Servicing of the Hydraulic Brake Filter
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 32-42-12-860-051-A
Subtask 32-42-12-020-052-A
Subtask 32-42-12-410-051-A
[Rev.10 from 2021]
2026.04.01 00:47:43 UTC
Servicing of the Hydraulic Brake Filter
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: 2584GM
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) |
| No specific | 1 | CONTAINER 5 L (1.32 USGAL) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.02ABA1) | Phosphate Ester Hydraulic Fluid-General Power - - |
| (Material No.14QFB1) | Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 3 | FILTER CARTRIDGE | AIPC 32-42-12-01-060 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-12-29-611-001-A | Fill the Hydraulic Fluid Reservoir with a Hand Pump |
| TASK 29-00-00-910-002-A | Safety Procedures of the Hydraulic System |
| TASK 29-10-00-863-001-A | Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart |
| 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 29-23-00-860-002-A | Connection of the Isolation Coupling of the Power Transfer Unit (PTU) |
| TASK 29-23-00-863-001-A | Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
| TASK 32-12-00-410-001-A | Close the Main Gear Doors after Access |
Hydraulic Brake Filter 2584GMSubtask 32-42-12-860-051-A
A. Aircraft Maintenance Configuration
(1) Depressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-864-001).
Subtask 32-42-12-010-051-A Subtask 32-42-12-869-053-A (1) 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) Put the ACCESS PLATFORM 2M (6 FT) in position.
(4) Put the CONTAINER 5 L (1.32 USGAL) below the hydraulic brake filter 2584GM to collect the hydraulic fluid leakage.
Subtask 32-42-12-865-053-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) Put the ACCESS PLATFORM 2M (6 FT) in position.
(4) Put the CONTAINER 5 L (1.32 USGAL) below the hydraulic brake filter 2584GM to collect the hydraulic fluid leakage.
D. Open, safety and tag this(these) circuit breaker(s):
Subtask 32-42-12-941-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** 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/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 |
| ** 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 to tell persons not to pressurize the Green hydraulic system:
4. Procedure(1) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the Green hydraulic system:
- On the panel 40VU in the cockpit,
- On the ground service panel of the Green hydraulic system.
Subtask 32-42-12-020-052-A
A. Removal of the Filter 2584GM
(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
(3) Remove the bowl (4) and the filter cartridge (3). Discard the filter cartridge (3).
Subtask 32-42-12-560-051-A (1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
(2) Remove and discard the lockwire from the bowl (4) and the filter head (1). (3) Remove the bowl (4) and the filter cartridge (3). Discard the filter cartridge (3).
B. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) If necessary, push in the red clogging indicator.
(5) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to:
Subtask 32-42-12-420-053-A (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) If necessary, push in the red clogging indicator.
(5) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to:
- The threads of the bowl (4)
- The packing that is installed in the new filter cartridge (3).
C. Installation of Brake Filter 2584GM
(1) Install the AIPC 32-42-12-01-060 FILTER CARTRIDGE (3) in the bowl (4).
(2) Put the bowl (4) in position and tighten the bowl to the filter head (1) with your hand.
14QFB1 Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
Subtask 32-42-12-865-054-A (1) Install the AIPC 32-42-12-01-060 FILTER CARTRIDGE (3) in the bowl (4).
(2) Put the bowl (4) in position and tighten the bowl to the filter head (1) with your hand.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
(3) Safety the bowl (4) to the filter head (1) with D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 32-42-12-560-052-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** 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/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 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
E. Connection of the PTU Isolation Coupling
(1) Connect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-002).
(a) If necessary, fill the reservoir of the Green hydraulic system to the correct level (Ref. AMM TASK 12-12-29-611-001).
(b) Pressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-863-001) or (Ref. AMM TASK 29-23-00-863-001).
(2) Test of the System:
(a) Remove the WARNING NOTICE(S).
(b) Operate the brakes and make sure that:
(d) Remove the access platform(s).
5. Close-up(1) Connect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-002).
(a) If necessary, fill the reservoir of the Green hydraulic system to the correct level (Ref. AMM TASK 12-12-29-611-001).
(b) Pressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-863-001) or (Ref. AMM TASK 29-23-00-863-001).
(2) Test of the System:
(a) Remove the WARNING NOTICE(S).
(b) Operate the brakes and make sure that:
- The clogging indicator stays in.
- There is no hydraulic fluid leakage from hydraulic brake filter 2584GM.
(d) Remove the access platform(s).
Subtask 32-42-12-410-051-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable MLG door (Ref. AMM TASK 32-12-00-410-001).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable MLG door (Ref. AMM TASK 32-12-00-410-001).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.