W DOC AIRBUS | AMM A320F

Operational Test of the Rudder Trim Actuation


TASK 27-22-00-710-002-A
Operational Test of the Rudder Trim Actuation


ZONE: 210
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 B. Referenced Information
REFERENCE
DESIGNATION
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 29-10-00-863-003-A
Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A-01
Pressurize the Blue Hydraulic System with the Blue Electric Pump
TASK 29-10-00-864-003-A
Depressurize the Blue Hydraulic System
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 29-24-00-864-001-A
Depressurize the Yellow Hydraulic System
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
3. Job Set-up
Subtask 27-22-00-860-051-A
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
   (2) On overhead panel 23VU, make sure that the FLT CTL/FAC1 pushbutton switch is pushed (on this pushbutton switch, the FAULT and OFF legends are off).
   (3) On overhead panel 24VU, make sure that the FLT CTL/FAC2 pushbutton switch is pushed (on this pushbutton switch, the FAULT and OFF legends are off).
   (4) On panel 110VU, make sure that the RUD TRIM indicator shows 0.
   (5) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).
   (6) Pressurize the aircraft hydraulic systems
(Ref. AMM TASK 29-23-00-863-001) (Ref. AMM TASK 29-24-00-863-001) (Ref. AMM TASK 29-10-00-863-003).
   (7) On the center pedestal, on the ECAM control panel, push the F/CTL key (on the lower ECAM DU, the F/CTL page comes into view).
Subtask 27-22-00-865-054-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1B04
49VUAUTO FLT/FAC1/26VAC14CC1B03
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1H10
49VUAUTO FLT/FAC1/26VAC14CC1H09
** ON A/C ALL
121VUAUTO FLT/FAC2/28VDC5CC2M19
121VUAUTO FLT/FAC2/26VAC14CC2M18
4. Procedure
Subtask 27-22-00-710-051-A ** ON A/C NOT FOR ALL
A. Operational Test of the Rudder Trim Actuation
ACTION
RESULT
1.On the center pedestal, on panel 110VU:

  • Turn the RUD TRIM selector switch to the NOSE/R position and hold it in this position.
The rudder moves to the right.

On panel 110VU, on the RUD TRIM position indicator:
  • The numbers change until the value R 20 deg plus or minus 1 comes into view.
    On the center instrument panel, on the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the right.
NOTE: In some cases, the pointer of the RUD indicator is not in line with the trim index.
2.Release the RUD TRIM selector switch.
There is no change.
3.Push and release the RUD TRIM/RESET pushbutton switch.
The rudder moves to the zero position.

On panel 110VU, on the RUD TRIM indicator:
  • The numbers change until the value R 0 deg plus or minus 0.3 comes into view.
    On the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the center mark.
4.Turn the RUD TRIM selector switch to the NOSE/L position and hold it in this position.
The rudder moves to the left.

On panel 110VU, on the RUD TRIM position indicator:
  • The numbers change until the value L 20 deg plus or minus 1 comes into view.
    On the center instrument panel, on the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the left.
NOTE: In some cases, the pointer of the RUD indicator is not in line with the trim index.
5.Release the RUD TRIM selector switch.
There is no change.
6.Push and release the RUD TRIM/RESET pushbutton switch.
The rudder moves to the zero position.

On panel 110VU, on the RUD TRIM indicator:
  • The numbers change until the value L 0 deg plus or minus 0.3 comes into view.
    On the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the center mark.
Subtask 27-22-00-710-051-B ** ON A/C NOT FOR ALL
A. Operational Test of the Rudder Trim Actuation
ACTION
RESULT
1.On the center pedestal, on panel 110VU:

  • Turn the RUD TRIM selector switch to the NOSE/R position and hold it in this position.
The rudder moves to the right.

On panel 110VU, on the RUD TRIM position indicator:
  • The numbers change until the value R 25 deg plus or minus 1 comes into view.
    On the center instrument panel, on the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the right.
NOTE: In some cases, the pointer of the RUD indicator is not in line with the trim index.
2.Release the RUD TRIM selector switch.
There is no change.
3.Push and release the RUD TRIM/RESET pushbutton switch.
The rudder moves to the zero position.

On panel 110VU, on the RUD TRIM indicator:
  • The numbers change until the value R 0 deg plus or minus 0.3 comes into view.
    On the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the center mark.
4.Turn the RUD TRIM selector switch to the NOSE/L position and hold it in this position.
The rudder moves to the left.

On panel 110VU, on the RUD TRIM position indicator:
  • The numbers change until the value L 25 deg plus or minus 1 comes into view.
    On the center instrument panel, on the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the left.
NOTE: In some cases, the pointer of the RUD indicator is not in line with the trim index.
5.Release the RUD TRIM selector switch.
There is no change.
6.Push and release the RUD TRIM/RESET pushbutton switch.
The rudder moves to the zero position.

On panel 110VU, on the RUD TRIM indicator:
  • The numbers change until the value L 0 deg plus or minus 0.3 comes into view.
    On the lower ECAM DU:
  • The pointer of the RUD indicator and the index that show the trim value move to the center mark.
5. Close-up
Subtask 27-22-00-860-052-A
A. Put the aircraft back to its initial configuration.
   (1) Depressurize the aircraft hydraulic systems
(Ref. AMM TASK 29-23-00-864-001) (Ref. AMM TASK 29-24-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
   (2) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
   (3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 06:49:58 UTC