DOC AIRBUS | AMM A320FRemoval of the Potable-Water Ice-Protection Control-Unit
TASK 30-73-35-000-001-A
Removal of the Potable-Water Ice-Protection Control-Unit
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 30-73-35-861-050-A ** ON A/C NOT FOR ALL Subtask 30-73-35-865-054-A ** ON A/C NOT FOR ALL
Subtask 30-73-35-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:32:50 UTC
Removal of the Potable-Water Ice-Protection Control-Unit
NOTE: The procedure is the same for both control units.
FIN: 33DW ** ON A/C NOT FOR ALL
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 152FW |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 25-55-11-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
Control Unit 33DW/53DWSubtask 30-73-35-861-050-A ** ON A/C NOT FOR ALL Subtask 30-73-35-865-054-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 30-73-35-010-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2001VU | POT/WASTE WIP-HEATER-LINE | 51DW | D04 |
| 2001VU | POT/WASTE WIP-HEATER-LINE | 31DW | D03 |
| 2001VU | POT/WASTE WIP-HEATER-CTL | 32DW | D02 |
C. Get Access
(1) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Set the CARGO COMP LT switch 8LU to ON.
(3) Remove the sidewall panel 152FW (Ref. AMM TASK 25-55-11-000-003).
4. Procedure(1) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Set the CARGO COMP LT switch 8LU to ON.
(3) Remove the sidewall panel 152FW (Ref. AMM TASK 25-55-11-000-003).
Subtask 30-73-35-020-050-A ** ON A/C NOT FOR ALL
A. Removal of a control unit (typical)
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the screws (4), the washers (5) and the brackets (3) which hold the control unit (2) in position.
(4) Remove the control unit (2) from its support (6).
CAUTION:
MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
(1) Disconnect the electrical connector (1) from the control unit (2). (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the screws (4), the washers (5) and the brackets (3) which hold the control unit (2) in position.
(4) Remove the control unit (2) from its support (6).