DOC AIRBUS | AMM A320FRemoval of the Accumulator Pressure Gage
TASK 32-44-14-000-001-A
Removal of the Accumulator Pressure Gage
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 32-44-14-860-050-A ** ON A/C NOT FOR ALL
Subtask 32-44-14-020-050-A
[Rev.10 from 2021]
2026.04.01 00:49:34 UTC
Removal of the Accumulator Pressure Gage
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.
FIN: 2585GM
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 | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 29-10-00-864-002-A | Depressurize the Yellow Hydraulic System |
| TASK 29-23-00-860-001-A | Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
| TASK 32-44-11-200-001-A | Functional Check of Parking/Emergency Brake Accumulator by Reading the Charge Pressure on the Accumulator Gauge |
Accumulator Pressure Gage 2585GMSubtask 32-44-14-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-002).
(2) Push the pressure release button on the pressure relief valve 3067GM to depressurize the alternate brake system.
(3) Make sure that the pressure on the gauge 2585GM decreases to the fill pressure of the accumulator 2582GM (Ref. AMM TASK 32-44-11-200-001).
Subtask 32-44-14-860-050-B ** ON A/C NOT FOR ALL (1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-002).
(2) Push the pressure release button on the pressure relief valve 3067GM to depressurize the alternate brake system.
(3) Make sure that the pressure on the gauge 2585GM decreases to the fill pressure of the accumulator 2582GM (Ref. AMM TASK 32-44-11-200-001).
A. Aircraft Maintenance Configuration
(1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-002).
(2) Set the Anti-skid and Nose Wheel switch to OFF.
(3) Push the pressure release button on the pressure relief valve 3067GM to depressurize the alternate brake system.
(4) Make sure that the pressure on the gauge 2585GM decreases to the fill pressure of the accumulator 2582GM (Ref. AMM TASK 32-44-11-200-001).
Subtask 32-44-14-010-050-A Subtask 32-44-14-869-050-A (1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-002).
(2) Set the Anti-skid and Nose Wheel switch to OFF.
(3) Push the pressure release button on the pressure relief valve 3067GM to depressurize the alternate brake system.
(4) Make sure that the pressure on the gauge 2585GM decreases to the fill pressure of the accumulator 2582GM (Ref. AMM TASK 32-44-11-200-001).
C. Disconnection of the PTU Isolation Coupling
(1) Disconnect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position.
Subtask 32-44-14-865-050-A (1) Disconnect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position.
D. Open, safety and tag this(these) circuit breaker(s):
Subtask 32-44-14-941-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | L/G/Y BRK/PRESS/IND | 61GG | C10 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | ABCU &/Y BRK/PRESS IND | 61GG | C10 |
| ** 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 |
| 121VU | HYDRAULIC/Y HYD/PUMP ENG2/MONG | 3700GD | Q37 |
| 121VU | HYDRAULIC/Y HYD/PUMP ENG2/CTL | 3701GD | Q36 |
| ** 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 |
E. Safety Precautions
(1) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system:
4. Procedure(1) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system:
- on the panel 40VU in the cockpit,
- on the ground service panel of the Yellow hydrualic system.
Subtask 32-44-14-020-050-A
A. Removal of the Accumulator Pressure Gage 2585GM
(2) Remove and discard the lockwire from the nut (5) and the adapter (4).
(3) Install the cap (2) on the charging valve (3).
(4) Loosen the nut (5) and remove the gage (6).
(5) Put PLUG - BLANKING in the open ports.
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.
(1) Remove the cap (2) and carefully turn the charging valve (3) to the open position to depressurize the accumulator (1). (2) Remove and discard the lockwire from the nut (5) and the adapter (4).
(3) Install the cap (2) on the charging valve (3).
(4) Loosen the nut (5) and remove the gage (6).
(5) Put PLUG - BLANKING in the open ports.