W DOC AIRBUS | AMM A320F

Removal of the Normal-Brake Pressure Transducer

TASK 32-42-21-000-001-A
Removal of the Normal-Brake Pressure Transducer

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: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
FIN: 11GG
FIN: 12GG
FIN: 13GG
FIN: 14GG
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)- ADJUSTABLE
No specific
AR
CAP - BLANKING
No specific
1
CONTAINER 3 L(3/4 USGAL)
No specific
AR
PLUG - BLANKING
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Referenced Information
REFERENCE
DESIGNATION
TASK 29-00-00-864-001-A
Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 29-14-00-614-001-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 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears
F Normal-Brake Pressure Transducer
3. Job Set-up
Subtask 32-42-21-941-050-A
A. Safety Precautions
   (1) Put the SAFETY BARRIER(S) in position.
   (2) Make sure that the ground safety locks are on the landing gear (Ref. AMM TASK 32-00-00-481-001).
   (3) On the panel 400VU:
  • make sure that the landing-gear control-lever 6GA is in the DOWN position
  • put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear.
   (4) Put a WARNING NOTICE(S) on the ground service connection to tell persons not to pressurize:
  • the Green hydraulic system
  • the Yellow hydraulic system.
Subtask 32-42-21-860-051-A
B. Aircraft Maintenance Configuration
   (1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at zone 733, 743.
   (2) Put a CONTAINER 3 L(3/4 USGAL) below the pressure transducer.
   (3) Disconnect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-001).
   (4) Make sure that the Yellow and Green hydraulic systems are de-pressurized (Ref. AMM TASK 29-00-00-864-001).
   (5) Make sure that the applicable hydraulic reservoirs have been depressurized (Ref. AMM TASK 29-14-00-614-001).
Subtask 32-42-21-865-050-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** 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
4. Procedure
Subtask 32-42-21-020-050-A
A. Removal of the Normal Brake Pressure-Tranducer
   (1) Disconnect the electrical connector (1).
   (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Remove the screws (4) and the pressure transducer (2).
   (4) Collect the hydraulic fluid in the container.
   (5) Remove and discard the seal (3).
   (6) Put a PLUG - BLANKING in the opening of the normal brake manifold and the pressure transducer.
[Rev.10 from 2021] 2026.04.02 06:22:02 UTC
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