W DOC AIRBUS | AMM A320F

Removal of the Lockstay Actuator Hoses

TASK 32-11-22-000-001-A
Removal of the Lockstay Actuator Hoses

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.
WARNING: YOU MUST NOT GET HYDRAULIC FLUID ON YOUR SKIN, IN YOUR EYES OR IN YOUR MOUTH. THE HYDRAULIC FLUID IS POISONOUS AND CAN BE ABSORBED INTO YOUR BODY. IF YOU ACCIDENTALLY GET HYDRAULIC FLUID IN YOUR EYES, MOUTH OR ON YOUR SKIN, FLUSH WITH WATER AND GET MEDICAL AID.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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
CAP - BLANKING
No specific
1
CONTAINER - CLEAN, APPLICABLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.14QFB1)
Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 29-00-00-910-002-A
Safety Procedures of the Hydraulic System
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 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 Lockstay Actuator Hoses - Location and Detail ** ON A/C NOT FOR ALL
F Lockstay Actuator Hoses - Location and Detail ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 32-11-22-941-050-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 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) in position to tell persons not to pressurize the Green and Yellow hydraulic systems.
   (5) Make sure that you obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002) when you do work on the hydraulic system.
Subtask 32-11-22-860-050-A
B. Aircraft Maintenance Configuration
   (1) Disconnect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-001).
   (2) Make sure that the Green and the Yellow hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001) and (Ref. AMM TASK 29-10-00-864-002).
Subtask 32-11-22-010-050-A
C. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable side-stay, at zone 733 or 743.
4. Procedure
Subtask 32-11-22-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Lockstay Actuator Hoses
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) Put a CONTAINER - CLEAN, APPLICABLE below the hose (1) and (10) connections.
   (2) Disconnect the pipes (5) and (6).
   (3) Remove and discard the lockwire from the nuts (4) and (7).
   (4) Remove the nuts (4) and (7) and the washers (3) and (8). Remove the hoses (1) and (10) from the bracket assembly.
   (5) Remove the washers (2) and (9) from the hoses (1) and (10).
   (6) Remove and discard the lockwire from the bolts (14) and (15).
   (7) Remove the bolts (14) and (15) and the washers (13) and (16).
   (8) Remove the hoses (1) and (10). Remove and discard the packings (12) and (18) and the backup retainers (11) and (17).
   (9) Install a CAP - BLANKING on all the disconnected line ends.
Subtask 32-11-22-020-050-B ** ON A/C NOT FOR ALL
A. Removal of the Lockstay Actuator Hoses
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) Put a CONTAINER - CLEAN, APPLICABLE below the hose (1) and (2) connections.
   (2) Disconnect the hydraulic pipes (14) and (15).
   (3) Remove and discard the 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - from the nuts (13) and (16).
   (4) Remove the nuts (13) and (16) and the washers (12) and (17). Remove the hoses (1) and (2) from the bracket assembly.
   (5) Remove the washers (11) and (18) from the hoses (1) and (2).
   (6) Remove and discard the 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - from the bolts (6) and (7).
   (7) Remove the bolts (6) and (7) and the washers (5) and (8).
   (8) Remove the hoses (1) and (2). Remove and discard the packings (3) and (10) and the backup retainers (4) and (9).
   (9) Install a CAP - BLANKING on all the disconnected line ends.
[Rev.10 from 2021] 2026.04.01 00:40:46 UTC
"Aviabrain" 2025