DOC AIRBUS | AMM A320FInstallation of the Landing Elevation Selector
TASK 21-31-15-400-801-A
Installation of the Landing Elevation Selector
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 21-31-15-862-051-A Subtask 21-31-15-865-051-A
Subtask 21-31-15-420-050-A
Subtask 21-31-15-942-050-A
[Rev.10 from 2021]
2026.04.02 06:11:14 UTC
Installation of the Landing Elevation Selector
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 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 21-31-00-710-002-A | Operational Test of the Pressure Control and Monitoring |
| 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 33-13-00-710-001-A | Operational Test of the Instrument and Panel Integral-Lighting |
Landing Elevation SelectorSubtask 21-31-15-862-051-A Subtask 21-31-15-865-051-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 122VU | LIGHTING/INSTL LT/OVHD/PNL | 3LF | Y03 |
Subtask 21-31-15-420-050-A
A. Installation of the Landing Elevation Selector
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the selector (9) and put the locating stud (10) at the top, opposite to the black mark (11).
(5) Installation of the intergrally-lighted identification Plate (11LF):
(a) Put the intergrally-lighted identification plate (16) in position on overhead control and indicating panel 25VU (6).
(b) Install and tighten the five screws (17).
(6) Align the knob (14) with the flat of the shaft. Push the knob (14) until it is fully engaged.
(7) Moderately tighten the two screws (15).
(8) Remove the CAP-BLANKING from each electrical connector and receptacle.
(9) Make sure that all the electrical connections are clean and in the correct condition.
(10) Connect the electrical connector (8).
(11) Install panel 25VU (6) in its housing.
(12) Tighten the four quarter-turn fasteners (7).
Subtask 21-31-15-865-052-A (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the selector (9) and put the locating stud (10) at the top, opposite to the black mark (11).
NOTE: Make sure that the locating stud (10) is in position in the hole on the shaft below the black mark (11).
(4) Install the washer (12) and the nut (13). (5) Installation of the intergrally-lighted identification Plate (11LF):
(a) Put the intergrally-lighted identification plate (16) in position on overhead control and indicating panel 25VU (6).
(b) Install and tighten the five screws (17).
(6) Align the knob (14) with the flat of the shaft. Push the knob (14) until it is fully engaged.
(7) Moderately tighten the two screws (15).
(8) Remove the CAP-BLANKING from each electrical connector and receptacle.
(9) Make sure that all the electrical connections are clean and in the correct condition.
(10) Connect the electrical connector (8).
(11) Install panel 25VU (6) in its housing.
(12) Tighten the four quarter-turn fasteners (7).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 21-31-15-861-050-A Subtask 21-31-15-710-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 122VU | LIGHTING/INSTL LT/OVHD/PNL | 3LF | Y03 |
D. Operational Test
(1) Do the operational test of the instrument and panel integral lighting (Ref. AMM TASK 33-13-00-710-001).
(2) Do the operational test of the pressure control and monitoring (Ref. AMM TASK 21-31-00-710-002).
5. Close-up(1) Do the operational test of the instrument and panel integral lighting (Ref. AMM TASK 33-13-00-710-001).
(2) Do the operational test of the pressure control and monitoring (Ref. AMM TASK 21-31-00-710-002).
Subtask 21-31-15-942-050-A
A. Make sure that the work area is clean and clear of tools and other items.