DOC AIRBUS | AMM A320FCleaning of the Essential Transformer Rectifier (TR)
TASK 24-34-00-100-801-A
Cleaning of the Essential Transformer Rectifier (TR)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 24-34-00-861-051-A Subtask 24-34-00-010-052-A
Subtask 24-34-00-210-051-A
Subtask 24-34-00-410-052-A
[Rev.10 from 2021]
2026.03.31 23:23:30 UTC
Cleaning of the Essential Transformer Rectifier (TR)
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 | 1 | AIR SOURCE FILTERED, DRY |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | VACUUM CLEANER |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BBD1) | Non Aqueous Cleaner-- Isopropyl Alcohol - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 126 | LATERAL AVIONIC COMPARTMENT |
| 812 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-24-00-710-001-A | Operational Check of Emergency Generating System |
| TASK 24-34-51-000-001-A | Removal of the Essential Transformer Rectifier |
| TASK 24-34-51-400-001-A | Installation of the Essential Transformer Rectifier |
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 24-42-00-862-001-A | De-energize the Ground Service Network Supplied from the External Power |
| TASK 52-41-00-010-002-A | Open the Avionics Compartment Doors for Access |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
Essential TRSubtask 24-34-00-861-051-A Subtask 24-34-00-010-052-A
B. Get access to the avionics compartment.
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below access door 812.
(2) Open access door 812 (Ref. AMM TASK 52-41-00-010-002).
(3) In the avionics compartment, open the access panel of AC/DC emergency power-center 106VU.
Subtask 24-34-00-865-055-A (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below access door 812.
(2) Open access door 812 (Ref. AMM TASK 52-41-00-010-002).
(3) In the avionics compartment, open the access panel of AC/DC emergency power-center 106VU.
C. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 106VU | ESS TR/SPLY | 4PE | C01 |
Subtask 24-34-00-210-051-A
A.
(2) Remove the dust from the essential TR (1) and the adjacent area with the VACUUM CLEANER.
(3) Remove the dust collected in the essential TR (1) with the low pressure AIR SOURCE FILTERED, DRY.
(4) If necessary, clean the external surfaces of the essential TR (1) with the Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
(5) Clean the ventilation grid of the essential TR (1) with the VACUUM CLEANER.
(6) Install the essential TR (1) (Ref. AMM TASK 24-34-51-400-001).
Subtask 24-34-00-865-056-A WARNING:
WHEN YOU USE COMPRESSED AIR:
- USE THE CORRECT PROTECTION (FACE SHIELD OR GOGGLES)
- DO NOT POINT THE AIRFLOW AT YOURSELF OR OTHER PERSONS.
CAUTION:
IF THERE IS DRY SAND/DUST, DO NOT USE FLUIDS TO REMOVE THE SAND/DUST. IF THERE IS LAYER OF SAND/DUST ON THE AIRCRAFT SURFACES, REMOVE THE SAND/DUST WITH A VACUUM CLEANER (OR, IF YOU CANNOT USE A VACUUM CLEANER, USE AN AIR BLOWER, A SOFT CLOTH OR A HAND BRUSH). FLUIDS CAN MIX WITH THE SAND/DUST AND MAKE A PASTE THAT CAN CAUSE EROSION/ABRASION. THIS PASTE CAN GO INTO AREAS THAT ARE NOT EASY TO CLEAN.
CAUTION:
MAKE SURE THAT THE VACUUM CLEANER IS CLEAN. IF YOU USE A VACUUM CLEANER THAT IS NOT CLEAN, THERE IS A RISK OF DUST CONTAMINATION IN THE AVIONICS COMPARTMENT.
(1) Remove the essential TR (1) (Ref. AMM TASK 24-34-51-000-001). (2) Remove the dust from the essential TR (1) and the adjacent area with the VACUUM CLEANER.
(3) Remove the dust collected in the essential TR (1) with the low pressure AIR SOURCE FILTERED, DRY.
(4) If necessary, clean the external surfaces of the essential TR (1) with the Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
(5) Clean the ventilation grid of the essential TR (1) with the VACUUM CLEANER.
(6) Install the essential TR (1) (Ref. AMM TASK 24-34-51-400-001).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 24-34-00-710-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 106VU | ESS TR/SPLY | 4PE | C01 |
C. Operational Test of the Emergency Generation System
(1) Do the operational test of the emergency generation system (Ref. AMM TASK 24-24-00-710-001).
5. Close-up(1) Do the operational test of the emergency generation system (Ref. AMM TASK 24-24-00-710-001).
Subtask 24-34-00-410-052-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) In the avionics compartment, close the access panel of AC/DC emergency power-center 106VU.
(3) Close access door 812 (Ref. AMM TASK 52-41-00-410-002).
(4) Remove the access platform(s).
Subtask 24-34-00-862-051-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) In the avionics compartment, close the access panel of AC/DC emergency power-center 106VU.
(3) Close access door 812 (Ref. AMM TASK 52-41-00-410-002).
(4) Remove the access platform(s).