DOC AIRBUS | AMM A320FVisual Inspection of Transformer Rectifier (TR) to Prevent Dust Accumulation
TASK 24-32-00-200-801-A
Visual Inspection of Transformer Rectifier (TR) to Prevent Dust Accumulation
1. Reason for the Job
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 24-32-00-861-055-A Subtask 24-32-00-010-057-A
Subtask 24-32-00-210-051-A
Subtask 24-32-00-410-054-A
[Rev.10 from 2021]
2026.03.31 23:23:20 UTC
Visual Inspection of Transformer Rectifier (TR) to Prevent Dust Accumulation
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 126 | LATERAL AVIONIC COMPARTMENT |
| 822 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-32-00-100-801-A | Cleaning of the Transformer Rectifier (TR) |
| 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) |
TRSubtask 24-32-00-861-055-A Subtask 24-32-00-010-057-A
B. Get access to the avionics compartment.
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at access door 822.
(2) Open access door 822.
Subtask 24-32-00-865-056-A (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at access door 822.
(2) Open access door 822.
C. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 1PU1 (TR1) | |||
| 123VU | TR1/SPLY | 2PU1 | AB10 |
| FOR FIN: 1PU2 (TR2) | |||
| 123VU | TR2/SVCE/BUS 2/SPLY | 1XX | AB08 |
| 123VU | TR2/214XP/SPLY | 2PU2 | AB04 |
Subtask 24-32-00-210-051-A
A. Visual Inspection of the TR
(1) Do a visual inspection of the TR (1) and the adjacent area.
(2) If there is a layer of dust or loose dirt on the ventilation grid of the TR (1), clean the TR (1) (Ref. AMM TASK 24-32-00-100-801).
Subtask 24-32-00-865-057-A (1) Do a visual inspection of the TR (1) and the adjacent area.
(2) If there is a layer of dust or loose dirt on the ventilation grid of the TR (1), clean the TR (1) (Ref. AMM TASK 24-32-00-100-801).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
5. Close-up| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 1PU1 (TR1) | |||
| 123VU | TR1/SPLY | 2PU1 | AB10 |
| FOR FIN: 1PU2 (TR2) | |||
| 123VU | TR2/SVCE/BUS 2/SPLY | 1XX | AB08 |
| 123VU | TR2/214XP/SPLY | 2PU2 | AB04 |
Subtask 24-32-00-410-054-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 822.
(3) Remove the access platform(s).
Subtask 24-32-00-862-055-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 822.
(3) Remove the access platform(s).