DOC AIRBUS | AMM A320FFunctional Check of Pointer on Tension Compensator (Scale within Limits)
TASK 27-41-00-220-001-A
Functional Check of Pointer on Tension Compensator (Scale within Limits)
Refer to the MPD TASK: 274142-01
FUNCTIONAL CHECK OF POINTER ON TENSION COMPENSATOR (SCALE WITHIN LIMITS)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 27-41-00-010-051-A
Subtask 27-41-00-220-050-A
Subtask 27-41-00-860-059-A
[Rev.10 from 2021]
2026.03.31 23:50:49 UTC
Functional Check of Pointer on Tension Compensator (Scale within Limits)
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.
CAUTION:
MAKE SURE THAT THE AIRCRAFT IS IN THE TEMPERATURE CONDITIONS (STABLE AMBIENT TEMPERATURE) SPECIFIED IN THE AIRCRAFT MAINTENANCE CONFIGURATION PARAGRAPH.
CHANGES IN THE TEMPERATURE CAN CAUSE INCORRECT MEASUREMENTS.
ZONE: 310
1. Reason for the JobRefer to the MPD TASK: 274142-01
FUNCTIONAL CHECK OF POINTER ON TENSION COMPENSATOR (SCALE WITHIN LIMITS)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | 1 | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | AR | THERMOMETER |
| 0U190360 | 1 | PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 310 | FUSLG TAIL SECTION AFT OF AFT PRESS BHD |
| 312AR, 811, 812, 824, 825, 826 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-33-21-618-001-A | Pre-conditioning through the LP Ground Connection (Aircraft Electrical Power Available) |
| TASK 12-33-21-618-001-A-01 | Pre-conditioning through the HP Ground Connection |
| TASK 12-33-21-618-001-A-02 | Pre-conditioning with the APU |
| TASK 12-33-21-618-001-A-03 | Pre-conditioning through the LP Ground Connection (Aircraft Electrical Power Not Available) |
| 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 27-41-00-820-002-A | Adjustment of the THS Control-Cables Length |
| 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 29-24-00-863-001-A | Pressurize the Yellow Hydraulic System with the Electric Pump |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
THS Actuator - RiggingSubtask 27-41-00-010-051-A
A. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the access door 312AR.
(a) Open the access door 312AR.
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 811.
(a) Open the access door 811 (Ref. AMM TASK 52-41-00-410-002).
(3) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 812.
(a) Open the access door 812.
(4) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 824.
(a) Open the access door 824.
(5) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 825.
(a) Open the access door 825.
(6) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 826.
(a) Open the access door 826.
Subtask 27-41-00-860-058-A (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the access door 312AR.
(a) Open the access door 312AR.
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 811.
(a) Open the access door 811 (Ref. AMM TASK 52-41-00-410-002).
(3) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 812.
(a) Open the access door 812.
(4) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 824.
(a) Open the access door 824.
(5) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 825.
(a) Open the access door 825.
(6) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 826.
(a) Open the access door 826.
B. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).
(2) Make sure that the air conditioning is de-energized (Ref. AMM TASK 12-33-21-618-001).
(3) The cable routing area must not be lighten by neon located close the cable itself.
(4) Let the temperature in the aircraft become stable for a period of three hours before you start the adjustment.
4. Procedure(1) Make sure that the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).
(2) Make sure that the air conditioning is de-energized (Ref. AMM TASK 12-33-21-618-001).
(3) The cable routing area must not be lighten by neon located close the cable itself.
(4) Let the temperature in the aircraft become stable for a period of three hours before you start the adjustment.
NOTE: You can do other maintenance actions during the three hour period if they do not change the ambient temperature (No source of heat or cold, aircraft not energized, no air conditioning, no neon light sources in the cable routing area).
(5) The ambiant temperature must be within the range of 0 deg.C (32.00 deg.F), 40 deg.C (104.00 deg.F). Subtask 27-41-00-220-050-A
A. Functional Check of Pointer on Tension Compensator (Scale within Limits)
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Pressurize the Green and Yellow hydraulic systems (Ref. AMM TASK 29-23-00-863-001) and (Ref. AMM TASK 29-24-00-863-001).
(3) Operate the THS more than ten times and put it in the zero position.
(4) Install the 0U190360 PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER (1) on the input shaft of the THS actuator.
(5) Depressurize the Green and Yellow hydraulic systems (Ref. AMM TASK 29-23-00-864-001).
(6) De-energize the aircraft electrical circuit (Ref. AMM TASK 24-41-00-862-002).
(7) Put a warning notice on the pitch-trim control wheels to tell persons not to use the pitch trim.
(8) Bend the two cables to the same value and release them quickly. When you release the cables, make sure that the movable pulley bracket of the tension regulator moves easily (it must not be caught).
(9) Measure the ambient temperature with a THERMOMETER.
(10) Use the adjustment graph to find the position of the index (value in degree C) in relation to the measured ambient temperature.
(11) On the tension regulator, make sure that the position of the index agrees with the value found on the graph (value in degree C) with a tolerance of + or - 1 graduation (+ or - 5 degree C).
5. Close-up(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Pressurize the Green and Yellow hydraulic systems (Ref. AMM TASK 29-23-00-863-001) and (Ref. AMM TASK 29-24-00-863-001).
(3) Operate the THS more than ten times and put it in the zero position.
(4) Install the 0U190360 PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER (1) on the input shaft of the THS actuator.
(5) Depressurize the Green and Yellow hydraulic systems (Ref. AMM TASK 29-23-00-864-001).
(6) De-energize the aircraft electrical circuit (Ref. AMM TASK 24-41-00-862-002).
(7) Put a warning notice on the pitch-trim control wheels to tell persons not to use the pitch trim.
(8) Bend the two cables to the same value and release them quickly. When you release the cables, make sure that the movable pulley bracket of the tension regulator moves easily (it must not be caught).
(9) Measure the ambient temperature with a THERMOMETER.
(10) Use the adjustment graph to find the position of the index (value in degree C) in relation to the measured ambient temperature.
(11) On the tension regulator, make sure that the position of the index agrees with the value found on the graph (value in degree C) with a tolerance of + or - 1 graduation (+ or - 5 degree C).
NOTE: 1 graduation on the tension regulator corresponds to 5 degree C.
(12) If the result of the check is no correct, adjust the THS cable length (Ref. AMM TASK 27-41-00-820-002). Subtask 27-41-00-860-059-A
A. Put the aircraft back to its initial configuration.
(1) Remove the 0U190360 PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER.
(2) Remove the warning notice.
Subtask 27-41-00-410-051-A (1) Remove the 0U190360 PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER.
(2) Remove the warning notice.