W DOC AIRBUS | AMM A320F

Operational test of the autobrake deceleration rate arming


TASK 32-42-00-710-005-A
Operational test of the autobrake deceleration rate arming


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.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING: MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM. UNWANTED MOVEMENT OF HYDRAULICALLY OPERATED ITEMS CAN CAUSE SERIOUS INJURY AND/OR DAMAGE.
WARNING: PRESSURIZE ONLY THE HYDRAULIC SYSTEM(S) THAT IS (ARE) NECESSARY FOR THE TASK. ISOLATE THE OTHER HYDRAULIC SYSTEM(S) BEFORE YOU SUPPLY HYDRAULIC POWER TO THE AIRCRAFT.
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.
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
WARNING NOTICE(S)
 B. 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 29-23-00-863-001-A
Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
TASK 29-23-00-864-001-A
Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU
TASK 34-10-00-860-004-A
Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-01
Automatic Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-02
Inertial Reference (IR) Alignment-Procedure to do a Check of the Links between each Flight Management and Guidance Computer (FMGC) and the three Air Data/Inertial Reference Units (ADIRUs)
TASK 34-10-00-860-005-A
ADIRS Stop Procedure
3. Job Set-up
Subtask 32-42-00-860-080-A
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) On the panel 400VU, make sure that the L/G normal control-lever is at DOWN.
   (3) Make sure that the free fall control handle is in the normal position.
   (4) On the panel 402VU, make sure that the A/SKID & N/W STGR switch is at ON.
   (5) Do the IR alignment procedure. (Ref. AMM TASK 34-10-00-860-004).
   (6) Pressurize the Green hydraulic system from the Yellow hydraulic system through the PTU with the electric pump (Ref. AMM TASK 29-23-00-863-001).
Subtask 32-42-00-865-065-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
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
Subtask 32-42-00-941-064-A
C. Safety Precautions
   (1) Put a WARNING NOTICE(S) on the L/G normal control-lever to tell persons not to move it.
4. Procedure
Subtask 32-42-00-710-065-A
A. Do this test:
ACTION
RESULT
1.On the panel 402VU:
  • push the MAX pushbutton switch.
  • the blue ON legend comes on
  • push again the MAX pushbutton switch.
  • the blue ON legend goes off.
  • do the same test with the MED and LO pushbutton switches
  • same results.
5. Close-up
Subtask 32-42-00-860-081-A
A. Put the aircraft back to its initial configuration.
   (1) Depressurize the Green and Yellow hydraulic systems after operations of the PTU (Ref. AMM TASK 29-23-00-864-001).
   (2) Do ADIRS stop procedure. (Ref. AMM TASK 34-10-00-860-005)
   (3) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
   (4) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 08:26:47 UTC