DOC AIRBUS | AMM A320FInstallation of the Pax Call Switch-Card
TASK 23-73-38-400-802-A
Installation of the Pax Call Switch-Card
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 23-73-38-861-057-A ** ON A/C NOT FOR ALL 4. Procedure
Subtask 23-73-38-420-052-A ** ON A/C NOT FOR ALL
Subtask 23-73-38-862-054-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:12:32 UTC
Installation of the Pax Call Switch-Card
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TASK 23-73-45-400-001-A | Installation of the Passenger Service Unit |
| 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) |
Pax Call Switch-Card - Removal/InstallationSubtask 23-73-38-861-057-A ** ON A/C NOT FOR ALL 4. Procedure
Subtask 23-73-38-420-052-A ** ON A/C NOT FOR ALL
A. Installation of the Pax Call Switch-Card
(1) If necessary, remove the drip water cover (2):
(a) Pull out the two locking tabs (3) at the side of the drip water cover.
(b) Lift and remove the drip water cover (2).
(2) Carefully put the first plastic catch into the corresponding hole (5) of the pax call switch-card (4).
(3) Carefully put the second plastic catch into the corresponding hole (5).
(4) Make sure that you do not push the second plastic catch too much to prevent damage to the Power Supply Unit (PSU).
(5) Make sure that the two plastic catches lock correctly.
(6) Connect and lock the related connector (6) to the card socket (10).
(7) Repeat steps 2 thru 6 for each pax call switch-card (4).
(8) Carefully put the drip water cover (2) in its original position.
(9) Lock the two locking tabs (3) at the sides of the drip water cover (2).
(10) Install the PSU (1). (Ref. AMM TASK 23-73-45-400-001)
(11) Make sure that the work area is clean and clear of tools and other items.
Subtask 23-73-38-865-072-A (1) If necessary, remove the drip water cover (2):
(a) Pull out the two locking tabs (3) at the side of the drip water cover.
(b) Lift and remove the drip water cover (2).
(2) Carefully put the first plastic catch into the corresponding hole (5) of the pax call switch-card (4).
(3) Carefully put the second plastic catch into the corresponding hole (5).
(4) Make sure that you do not push the second plastic catch too much to prevent damage to the Power Supply Unit (PSU).
(5) Make sure that the two plastic catches lock correctly.
(6) Connect and lock the related connector (6) to the card socket (10).
(7) Repeat steps 2 thru 6 for each pax call switch-card (4).
(8) Carefully put the drip water cover (2) in its original position.
(9) Lock the two locking tabs (3) at the sides of the drip water cover (2).
(10) Install the PSU (1). (Ref. AMM TASK 23-73-45-400-001)
(11) Make sure that the work area is clean and clear of tools and other items.
DELETED
5. Close-upSubtask 23-73-38-862-054-A ** ON A/C NOT FOR ALL