W DOC AIRBUS | AMM A320F

Replacement of the PARKING BRAKE Indicator Light on the Electrical Box

TASK 32-51-12-960-801-A
Replacement of the PARKING BRAKE Indicator Light on the Electrical Box

WARNING: MAKE SURE THAT THE SAFETY DEVICES AND THE WARNING NOTICES ARE IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR AND DOORS. MOVEMENT OF THE LANDING GEAR AND DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 5GC
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
4
PARKING BRAKE INDICATOR-LIGHT
AIPC 32-51-12-01-080
4
PARKING BRAKE INDICATOR-LIGHT
AIPC 32-51-12-01-081
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 32-51-12-000-001-A
Removal of the Nose - Wheel Steering Electrical Deactivation - Box
TASK 32-51-12-400-001-A
Installation of the Nose - Wheel Steering Electrical Deactivation - Box
F Parking-Brake Indicator Light - Location and Detail
3. Job Set-up
Subtask 32-51-12-941-052-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Put the WARNING NOTICE(S) in position:
  • In the cockpit, on the right center instrument-panel 400VU to tell persons not to operate the landing gear
  • In the cockpit to tell persons not to operate the nosewheel steering or the rudder.
Subtask 32-51-12-865-053-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** 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
121VUHYDRAULIC/PARK BRK/CTL/NORM70GGN36
4. Procedure
Subtask 32-51-12-960-050-A
A. Replacement of the PARKING BRAKE Indicator-Light (Lamp type Light)
   (1) Disconnect the electrical connector (6) from the Nose Wheel Steering (N/WS) deactivation electrical-box (1).
   (2) Put a CAP - BLANKING on the electrical connector (6).
   (3) Remove the indicator light cap (3).
   (4) Remove and discard the PARKING BRAKE indicator-light (4) from the indicator light socket (2).
   (5) Clean the component interfaces and the adjacent area.
   (6) Do an inspection of the indicator light socket (2).
     (a) If you find corrosion, do the steps that follow:
       1 Remove the N/WS deactivation electrical-box (1) (Ref. AMM TASK 32-51-12-000-001).
       2 Send the N/WS deactivation electrical-box (1) to the workshop for repair.
       3 Install the serviceable N/WS deactivation electrical-box (1) (Ref. AMM TASK 32-51-12-400-001).
     (b) If you do not find corrosion, do the steps that follow:
       1 Install a new AIPC 32-51-12-01-080 PARKING BRAKE INDICATOR-LIGHT (4) on the N/WS deactivation electrical-box (1).
       2 Install the indicator light cap (3).
       3 Remove the CAP - BLANKING from the electrical connector (6).
       4 Connect the electrical connector (6) to the N/WS deactivation electrical-box (1).
Subtask 32-51-12-960-051-A ** ON A/C NOT FOR ALL
B. Replacement of the PARKING BRAKE Indicator-Light (LED type Light)
   (1) Disconnect the electrical connector (6) from the Nose Wheel Steering (N/WS) deactivation electrical-box (1).
   (2) Put a CAP - BLANKING on the electrical connector (6).
   (3) Remove the indicator light cap (3).
   (4) Remove and discard the PARKING BRAKE indicator-light (4) from the indicator light socket (2).
   (5) Clean the component interfaces and the adjacent area.
   (6) Do an inspection of the indicator light socket (2).
     (a) If you find corrosion, do the steps that follow:
       1 Remove the N/WS deactivation electrical-box (1) (Ref. AMM TASK 32-51-12-000-001).
       2 Send the N/WS deactivation electrical box (1) to the workshop for repair.
       3 Install the serviceable N/WS deactivation electrical-box (1) (Ref. AMM TASK 32-51-12-400-001).
     (b) If you do not find corrosion, do the steps that follow:
       1 Install a new AIPC 32-51-12-01-081 PARKING BRAKE INDICATOR-LIGHT (4) on the N/WS deactivation electrical-box (1).
       2 Make sure that the polarization is correct.
       3 Install the indicator light cap (3).
       4 Remove the CAP - BLANKING from the electrical connector (6).
       5 Connect the electrical connector (6) to the N/WS deactivation electrical-box (1).
Subtask 32-51-12-865-054-A
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** 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
121VUHYDRAULIC/PARK BRK/CTL/NORM70GGN36
Subtask 32-51-12-720-051-A
D. Functional Test of the PARKING BRAKE Indicator Light
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
   (2) Do this test:
ACTION
RESULT
1.On the electrical box (1), push and hold the LIGHT TEST pushbutton switch (5).
  • On the electrical box (1), the PARKING BRAKE indicator light (4) comes on.
2.On the electrical box (1), release the LIGHT TEST pushbutton switch (5).
  • On the electrical box (1), the PARKING BRAKE indicator light (4) goes off.
   (3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
5. Close-up
Subtask 32-51-12-942-051-A
A. Removal of the Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the SAFETY BARRIER(S).
[Rev.10 from 2021] 2026.04.01 00:51:17 UTC
"Aviabrain" 2025