DOC AIRBUS | AMM A320FInstallation of the Springs of the Cable Tension Regulator
TASK 27-41-42-400-002-A
Installation of the Springs of the Cable Tension Regulator
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 27-41-42-860-054-A
Subtask 27-41-42-420-051-A
Subtask 27-41-42-860-055-A
[Rev.10 from 2021]
2026.03.31 23:51:00 UTC
Installation of the Springs of the Cable Tension Regulator
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:
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.
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.
ZONE: 310
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| 98D27403500000 | 1 | PITCH TRIM CONTROL LOCKING |
| 98D27407532000 | 1 | RIGGING PIN - THS MECHANICAL CONTROL |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 310 | FUSLG TAIL SECTION AFT OF AFT PRESS BHD |
| 311AL, 312AR |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 7 | COTTER PINS | AIPC 27-41-42-01-050 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-24-11-100-001-A | Cleaning and Protection of the Cables |
| TASK 20-24-12-200-001-A | Check of the Control Cables |
| TASK 27-41-00-220-002-A | Check of the Correct Tension of the THS Mechanical Control Cables |
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
Springs of the Cable Tension RegulatorSubtask 27-41-42-860-054-A
A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE is in position.
(2) Make sure that the access panel 311AL is removed and the access door 312AR is opened.
(3) Make sure that the Green and the Yellow hydraulic systems are depressurized and put them in the maintenance configuration (Ref. AMM TASK 29-00-00-864-001).
(4) Make sure that the WARNING NOTICE(S) are in position to tell persons not to pressurize the Green and the Yellow hydraulic systems.
(5) Make sure that the 98D27403500000 PITCH TRIM CONTROL LOCKING is installed in the pitch trim control wheel.
(6) Make sure that the 98D27407532000 RIGGING PIN - THS MECHANICAL CONTROL is installed in the rocker assembly (12) of the cable tension regulator (10).
Subtask 27-41-42-865-054-A (1) Make sure that the ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE is in position.
(2) Make sure that the access panel 311AL is removed and the access door 312AR is opened.
(3) Make sure that the Green and the Yellow hydraulic systems are depressurized and put them in the maintenance configuration (Ref. AMM TASK 29-00-00-864-001).
(4) Make sure that the WARNING NOTICE(S) are in position to tell persons not to pressurize the Green and the Yellow hydraulic systems.
(5) Make sure that the 98D27403500000 PITCH TRIM CONTROL LOCKING is installed in the pitch trim control wheel.
(6) Make sure that the 98D27407532000 RIGGING PIN - THS MECHANICAL CONTROL is installed in the rocker assembly (12) of the cable tension regulator (10).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| ** ON A/C ALL | |||
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
Subtask 27-41-42-420-051-A
A. Installation of the Springs of the Cable Tension Regulator
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the THS control cables are not damaged (Ref. AMM TASK 20-24-12-200-001).
(4) Make sure that there is no corrosion on the THS control cables (Ref. AMM TASK 20-24-11-100-001).
(5) Connect the springs (9) to the bolts (11).
(6) Install the washers (8) and the AIPC 27-41-42-01-050 COTTER PINS (7).
(7) Put the cover (2) in position on the cable tension regulator (10).
(8) Install the bolts (5) with the washers (4) at the cover assembly (1).
(9) Install the bolts (3) and (6) with the washers (4).
(10) Tighten the bolts (3), (5) and (6).
5. Close-up(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the THS control cables are not damaged (Ref. AMM TASK 20-24-12-200-001).
(4) Make sure that there is no corrosion on the THS control cables (Ref. AMM TASK 20-24-11-100-001).
(5) Connect the springs (9) to the bolts (11).
(6) Install the washers (8) and the AIPC 27-41-42-01-050 COTTER PINS (7).
(7) Put the cover (2) in position on the cable tension regulator (10).
(8) Install the bolts (5) with the washers (4) at the cover assembly (1).
(9) Install the bolts (3) and (6) with the washers (4).
(10) Tighten the bolts (3), (5) and (6).
Subtask 27-41-42-860-055-A
A. Put the aircraft back to the serviceable condition.
(1) Remove the 98D27407532000 RIGGING PIN - THS MECHANICAL CONTROL from the rocker assembly (12) of the cable tension regulator (10).
(2) Remove the 98D27403500000 PITCH TRIM CONTROL LOCKING from the pitch trim control wheel.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Install the access panel 311AL and close the access door 312AR.
(5) Remove the access platform(s).
(6) Remove the WARNING NOTICE(S).
Subtask 27-41-42-865-055-A (1) Remove the 98D27407532000 RIGGING PIN - THS MECHANICAL CONTROL from the rocker assembly (12) of the cable tension regulator (10).
(2) Remove the 98D27403500000 PITCH TRIM CONTROL LOCKING from the pitch trim control wheel.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Install the access panel 311AL and close the access door 312AR.
(5) Remove the access platform(s).
(6) Remove the WARNING NOTICE(S).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 27-41-42-220-052-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| ** ON A/C ALL | |||
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
C. Do a check of the cable tensions of the THS mechanical control cables (Ref. AMM TASK 27-41-00-220-002).