W DOC AIRBUS | AMM A320F

Cleaning of the Wheels and Brakes


TASK 32-40-00-100-002-A
Cleaning of the Wheels and Brakes


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: LET THE BRAKES AND THE WHEELS BECOME COOL BEFORE YOU GO NEAR THE LANDING GEAR. DO NOT APPLY A LIQUID OR GAS DIRECTLY ON A HOT WHEEL OR BRAKE UNIT. THIS CAN CAUSE A TIRE EXPLOSION AND/OR A WHEEL RIM BURST.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION: USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM THE MATERIAL MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.
1. Reason for the Job
To clean the external parts of the wheels and brakes from all signs of corrosion.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
2
AIR SOURCE 0.3 TO 0.7 BAR (5 TO 10 PSI)- FILTERED, DRY
No specific
2
BRUSH - NYLON
No specific
1
CHOCK - WHEEL(S)
No specific
1
COVER - WATERPROOF
No specific
AR
SAFETY BARRIER(S)
No specific
1
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.08BBB1)
Non Aqueous Cleaner-- Petroleum Based -
(Material No.08BBD1)
Non Aqueous Cleaner-- Isopropyl Alcohol -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A
Depressurize the Yellow Hydraulic System
TASK 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears
3. Job Set-up
Subtask 32-40-00-941-055-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Make sure that the CHOCK - WHEEL(S) are in position.
   (3) On panel 400VU:
     (a) Make sure that the landing-gear control lever 6GA is in the DOWN position.
     (b) Put a WARNING NOTICE(S) in position to tell persons not to operate the landing-gear control lever.
   (4) Make sure that the safety devices are installed on the landing gear (Ref. AMM TASK 32-00-00-481-001).
   (5) Put an applicable COVER - WATERPROOF on:
  • The wheels and their tires
  • All rubber items
  • The hinges
  • The chromium surfaces.
     (a) Make sure the covers you use give sufficient protection during the procedure to clean the wheels and brakes.
Subtask 32-40-00-860-059-A
B. Aircraft Maintenance Configuration
   (1) Make sure that the Green and Yellow hydraulic systems are depressurized
(Ref. AMM TASK 29-10-00-864-002) and (Ref. AMM TASK 29-10-00-864-001).
4. Procedure
Subtask 32-40-00-100-050-A ** ON A/C NOT FOR ALL
A. Cleaning of the MLG Wheels and Brakes
   (1) Clean the external parts of the MLG wheels and brakes that have corrosion with the Textile-Lint free Cotton - (Material No.14SBA1) .
   (2) Make sure that you do not clean the:
  • Carbon disks
  • Area that can come in contact with carbon disks.
Subtask 32-40-00-100-050-B ** ON A/C NOT FOR ALL
A. Cleaning of the MLG Wheels and Brakes
   (1) Clean the external parts of the MLG wheels and brakes that has corrosion with the Textile-Lint free Cotton - (Material No.14SBA1) made moist with the Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) or Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
   (2) Make sure that you do not clean the:
  • Carbon disks
  • Area that can come in contact with carbon disks.
   (3) Remove the dust and unwanted material from the surfaces with the BRUSH - NYLON made moist with the Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) or Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
   (4) Dry the areas where you removed the dust and unwanted material with the AIR SOURCE 0.3 TO 0.7 BAR (5 TO 10 PSI)- FILTERED, DRY or a textile-lint free cotton.
Subtask 32-40-00-100-052-A
B. Cleaning of the NLG Wheels
   (1) Clean the external parts of the NLG wheels that has corrosion with the Textile-Lint free Cotton - (Material No.14SBA1) made moist with the Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) or Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
   (2) Remove the dust and unwanted material from the surfaces with the BRUSH - NYLON made moist with the Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) or Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
   (3) Dry the areas where you removed the dust and unwanted material with the AIR SOURCE 0.3 TO 0.7 BAR (5 TO 10 PSI)- FILTERED, DRY or a textile-lint free cotton.
5. Close-up
Subtask 32-40-00-860-060-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Put the aircraft back to its initial configuration.
[Rev.10 from 2021] 2026.04.01 00:46:56 UTC