W DOC AIRBUS | AMM A320F

Replacement of the Clogging Indicator


TASK 32-42-12-960-001-A
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.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.
1. Reason for the Job
Self 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)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.02ABA1)
Phosphate Ester Hydraulic Fluid-General Power - -
 C. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
7
PACKINGS
AIPC 32-42-12-01-030
 D. Referenced Information
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
3. Job Set-up
Subtask 32-42-12-865-055-A
A. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUHYDRAULIC/G HYD/PUMP ENG1/CTL1701GKH12
** ON A/C NOT FOR ALL
121VUHYDRAULIC/G HYD/PUMP ENG1/CTL1701GKR35
** ON A/C NOT FOR ALL
121VUHYDRAULIC/G HYD/PUMP ENG1/MONG1702GKR34
** ON A/C ALL
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/SPLY4GGM36
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/CTL3GGM35
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/CTL1GGM34
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY2GGM33
** ON A/C NOT FOR ALL
121VUHYDRAULIC/G HYD/PUMP ENG1/MONG1702GKR33
Subtask 32-42-12-010-053-A
B. Get Access
   (1) Open the left or the right MLG door (Ref. AMM TASK 32-12-00-010-001).
Subtask 32-42-12-860-055-A
C. Aircraft Maintenance Configuration
WARNING: 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.
   (3) Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration.
(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. Procedure
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
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
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
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUHYDRAULIC/G HYD/PUMP ENG1/CTL1701GKH12
** ON A/C NOT FOR ALL
121VUHYDRAULIC/G HYD/PUMP ENG1/CTL1701GKR35
** ON A/C NOT FOR ALL
121VUHYDRAULIC/G HYD/PUMP ENG1/MONG1702GKR34
** ON A/C ALL
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/SPLY4GGM36
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/CTL3GGM35
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/CTL1GGM34
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY2GGM33
** ON A/C NOT FOR ALL
121VUHYDRAULIC/G HYD/PUMP ENG1/MONG1702GKR33
Subtask 32-42-12-790-050-A
E. Test of the Filter Assembly
   (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.
5. Close-up
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
B. Close Access
   (1) Close the applicable MLG door (Ref. AMM TASK 32-12-00-410-001).
[Rev.10 from 2021] 2026.04.01 12:31:51 UTC