Replacement of the Clogging Indicator
TASK 32-42-12-960-001-A
Replacement of the Clogging Indicator
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 32-42-12-865-055-A
Subtask 32-42-12-020-053-A
Subtask 32-42-12-860-056-A
[Rev.10 from 2021]
2026.04.01 00:47:44 UTC
Replacement of the Clogging Indicator
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.
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 3M (10 FT) |
| No specific | 1 | CONTAINER 1 L (1/4 USGAL) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 2 | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.02ABA1) | Phosphate Ester Hydraulic Fluid-General Power - - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 7 | PACKINGS | AIPC 32-42-12-01-030 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| TASK 29-00-00-910-002-A | Safety Procedures of the Hydraulic System |
| TASK 29-14-00-614-001-A | Depressurization of the Hydraulic Reservoirs |
| 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 |
Subtask 32-42-12-865-055-A
A. Open, safety and tag this(these) circuit breaker(s):
Subtask 32-42-12-010-053-A Subtask 32-42-12-860-055-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 |
C. Aircraft Maintenance Configuration
(2) Put the WARNING NOTICE(S) in position to tell the person not to pressurize the Green hydraulic system:
(Ref. AMM TASK 29-00-00-864-001)
(4) Depressurize the reservoir of the Green hydraulic system (Ref. AMM TASK 29-14-00-614-001).
(5) Put the ACCESS PLATFORM 3M (10 FT) in position.
(6) Put the CONTAINER 1 L (1/4 USGAL) below the filter to collect the unwanted hydraulic fluid.
4. ProcedureWARNING:
OBEY THE HYDRAULIC SAFETY PROCEDURES.
(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002). (2) Put the WARNING NOTICE(S) in position to tell the person not to pressurize the Green hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel.
- On the ground service panel of the Green hydraulic system.
(Ref. AMM TASK 29-00-00-864-001)
(4) Depressurize the reservoir of the Green hydraulic system (Ref. AMM TASK 29-14-00-614-001).
(5) Put the ACCESS PLATFORM 3M (10 FT) in position.
(6) Put the CONTAINER 1 L (1/4 USGAL) below the filter to collect the unwanted hydraulic fluid.
Subtask 32-42-12-020-053-A
A. Removal of the Clogging Indicator
(1) Loosen and remove the clogging indicator (5) from the filter head (1).
(2) Remove and discard the Packings (7) from the clogging indicator (5).
(3) Remove and retain the ring (6) from the clogging indicator (5).
Subtask 32-42-12-560-054-A (1) Loosen and remove the clogging indicator (5) from the filter head (1).
(2) Remove and discard the Packings (7) from the clogging indicator (5).
(3) Remove and retain the ring (6) from the clogging indicator (5).
B. Preparation for Installation
(1) Put the ring (6) on the clogging indicator (5).
(2) Lubricate the new IPC-CSN AIPC 32-42-12-01-030 PACKINGS (7) with the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) and install them on the clogging indicator (5).
(3) Lubricate the threads of the clogging indicator (5) with the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
Subtask 32-42-12-420-054-A (1) Put the ring (6) on the clogging indicator (5).
(2) Lubricate the new IPC-CSN AIPC 32-42-12-01-030 PACKINGS (7) with the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) and install them on the clogging indicator (5).
(3) Lubricate the threads of the clogging indicator (5) with the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
C. Installation of the Clogging Indicator
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the clogging indicator (5) in the filter head (1).
Subtask 32-42-12-865-056-A (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the clogging indicator (5) in the filter head (1).
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 32-42-12-790-050-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. Test of the Filter Assembly
(1) Remove the WARNING NOTICE(S).
(2) Operate the brakes:
5. Close-up(1) Remove the WARNING NOTICE(S).
(2) Operate the brakes:
- Make sure that no hydraulic fluid comes out of the filter.
- Make sure that the clogging indicator stays in.
Subtask 32-42-12-860-056-A
A. Put the aircraft back to the serviceable condition.
(1) Remove the container from below the filter.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).
Subtask 32-42-12-410-052-A (1) Remove the container from below the filter.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).
Hydraulic Brake Filter 2584GM