DOC AIRBUS | AMM A320FInstallation of the Rudder Trim Indicator
TASK 22-62-21-400-001-A
Installation of the Rudder Trim Indicator
Self explanatory
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 22-62-21-875-050-A
Subtask 22-62-21-420-050-A
Subtask 22-62-21-860-050-A
[Rev.10 from 2021]
2026.03.31 23:10:22 UTC
Installation of the Rudder Trim Indicator
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 WHEEL CHOCKS ARE IN POSITION. MOVEMENT OF THE AIRCRAFT CAN BE DANGEROUS.
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.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| DMC519 | 1 | ELECTRICIAN SERVICE TOOL KIT |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 22-62-00-710-001-A | Operational Test of the Rudder Trim Function |
| TASK 22-97-00-710-001-A | Operational Test of the LAND CAT III Capability |
| TASK 32-45-00-710-001-A | Operational Check of the Parking Brake System |
Rudder Trim IndicatorSubtask 22-62-21-875-050-A
A. 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 | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | H10 |
| ** ON A/C ALL | |||
| 121VU | AUTO FLT/RUDDER/TRIM/IND | 15CC | M20 |
| 121VU | AUTO FLT/FAC2/28VDC | 5CC2 | M19 |
| 121VU | HYDRAULIC/PARK BRK/CTL/STBY | 71GG | N37 |
| 121VU | HYDRAULIC/PARK BRK/CTL/NORM | 70GG | N36 |
| 122VU | LIGHTING/INSTL LT/MAIN INST/PNL AND/PED | 4LF | Y04 |
Subtask 22-62-21-420-050-A
A. Installation of the Rudder Trim Indicator (17CC)
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) On the rear of the indicator (12) with the DMC519 ELECTRICIAN SERVICE TOOL KIT connect each wire in its initial position (refer to the marks).
(4) Put the indicator (12) in the correct position on the structure of the panel 110VU (13).
(5) Install the two screws (14).
(6) Put the plate (7) in the correct position on the structure of the panel 110VU (13).
(7) Install the four screws (1).
(8) Install the knob (2) on the shaft of the control switch (9).
(9) Lock the knob (2) with the two screws (3).
(10) Install the knob (4) (in the OFF position), the pin (6) and the screw (5).
Subtask 22-62-21-420-051-A (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) On the rear of the indicator (12) with the DMC519 ELECTRICIAN SERVICE TOOL KIT connect each wire in its initial position (refer to the marks).
(4) Put the indicator (12) in the correct position on the structure of the panel 110VU (13).
(5) Install the two screws (14).
(6) Put the plate (7) in the correct position on the structure of the panel 110VU (13).
(7) Install the four screws (1).
(8) Install the knob (2) on the shaft of the control switch (9).
(9) Lock the knob (2) with the two screws (3).
(10) Install the knob (4) (in the OFF position), the pin (6) and the screw (5).
B. Installation of the Panel 110VU
(1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Make sure that all the electrical connections are clean and in the correct condition.
(3) Connect the four electrical connectors (11).
(4) Install the panel 110VU (13) on the support bracket (10).
(5) Lock the panel 110VU (13) with the four quarter-turn fasteners (8).
Subtask 22-62-21-875-051-A (1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Make sure that all the electrical connections are clean and in the correct condition.
(3) Connect the four electrical connectors (11).
(4) Install the panel 110VU (13) on the support bracket (10).
(5) Lock the panel 110VU (13) with the four quarter-turn fasteners (8).
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 22-62-21-710-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | H10 |
| ** ON A/C ALL | |||
| 121VU | AUTO FLT/RUDDER/TRIM/IND | 15CC | M20 |
| 121VU | AUTO FLT/FAC2/28VDC | 5CC2 | M19 |
| 121VU | HYDRAULIC/PARK BRK/CTL/STBY | 71GG | N37 |
| 121VU | HYDRAULIC/PARK BRK/CTL/NORM | 70GG | N36 |
| 122VU | LIGHTING/INSTL LT/MAIN INST/PNL AND/PED | 4LF | Y04 |
D. Operational Tests
(1) Do the operational test of the rudder trim function for the two rudder trim systems (Ref. AMM TASK 22-62-00-710-001).
(2) If the aircraft operates in the LAND CAT III condition, do the LAND CAT III capability test (Ref. AMM TASK 22-97-00-710-001).
(3) Do the operational test of the parking brake system (Ref. AMM TASK 32-45-00-710-001).
5. Close-up(1) Do the operational test of the rudder trim function for the two rudder trim systems (Ref. AMM TASK 22-62-00-710-001).
(2) If the aircraft operates in the LAND CAT III condition, do the LAND CAT III capability test (Ref. AMM TASK 22-97-00-710-001).
(3) Do the operational test of the parking brake system (Ref. AMM TASK 32-45-00-710-001).
Subtask 22-62-21-860-050-A
A. Put the aircraft back to its initial configuration.
(1) Remove the WARNING NOTICE(S).
(2) Make sure that the work area is clean and clear of tools and other items.
(1) Remove the WARNING NOTICE(S).
(2) Make sure that the work area is clean and clear of tools and other items.