W DOC AIRBUS | AMM A320F

Removal of the Hydraulic Label Kit

TASK 32-51-51-000-802-A
Removal of the Hydraulic Label Kit

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: 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.
ZONE: 711
FIN: 2879GM
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
1
CONTAINER 5 L (1.32 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. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
711
NOSE GEAR
 C. 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 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears
TASK 32-22-00-010-001-A
Nose Gear Doors - Ground Doors Opening
F Nose Landing Gear - Hydraulic Labels Kit ** ON A/C NOT FOR ALL
F Nose Landing Gear - Hydraulic Labels Kit ** ON A/C NOT FOR ALL
F Nose Landing Gear - Hydraulic Labels Kit ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 32-51-51-941-054-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) Put the WARNING NOTICE(S) in position:
  • In the cockpit, on panel 400VU, to tell persons no to operate the landing-gear control lever.
  • On the steering handwheel (CAPT and F/O) and on the brake pedals, to tell persons no to operate them.
   (2) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the applicable hydraulic system:
  • On panel 40VU in the cockpit
  • On the ground service panel of the applicable hydraulic system.
   (3) Install the safety devices on the landing gears (Ref. AMM TASK 32-00-00-481-001).
   (4) Put the SAFETY BARRIER(S) in position.
   (5) Put a CONTAINER 5 L (1.32 USGAL) below the nose-wheel steering servo-control, swivel selector valve and anti-shimmy valves to drain the hydraulic fluid.
Subtask 32-51-51-860-059-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Make sure that the applicable hydraulic system is depressurized (Ref. AMM TASK 29-00-00-864-001).
   (2) Depressurize the reservoir of the applicable hydraulic system (Ref. AMM TASK 29-14-00-614-001).
Subtask 32-51-51-860-062-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Open the nose gear doors (Ref. AMM TASK 32-22-00-010-001).
   (2) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in zone 123.
Subtask 32-51-51-865-059-A
D. 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
4. Procedure
Subtask 32-51-51-020-055-A ** ON A/C NOT FOR ALL
A. Removal of the Hydraulic Labels Kit
   (1) Remove the hydraulic pipes (1) and (3):
     (a) Loosen the nuts (5) and disconnect the hydraulic pipes (1) and (3) at each end from the swivel selector valve and from the nose-wheel steering servo-control.
     (b) Remove the bolts (11), washers (12), clamps (4) and nuts (13).
     (c) Keep pipes (1) and (3).
     (d) Put applicable PLUG - BLANKING at hydraulic pipe ends.
     (e) Put applicable PLUG - BLANKING on the swivel selector valve and on the hydraulic unions of the nose-wheel steering servo-control.
     (f) Remove the nut (14), bolt (16) and the two washers (15).
     (g) Remove the bridge (2).
   (2) Remove the hydraulic pipes (9) and (10):
     (a) Loosen the nuts (8) and disconnect the hydraulic pipes (9) and (10) at each end from the anti-shimmy valves and from the nose-wheel steering servo-control.
     (b) Remove the hydraulic pipes (9) and (10).
     (c) Put applicable PLUG - BLANKING at hydraulic pipe ends.
     (d) Put applicable PLUG - BLANKING on the anti-shimmy valves and on the hydraulic unions of the nose-wheel steering servo-control.
   (3) Remove the hydraulic labels kit:
     (a) Remove and discard the transparent heat-shrink tubes (6).
     (b) Remove the adhesive tapes (7) from hydraulic pipes (1), (3), (9) and (10) on the six locations.
[Rev.10 from 2021] 2026.04.01 12:30:32 UTC
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