DOC AIRBUS | AMM A320FInstallation of the Water Conditioner
TASK 38-12-11-400-001-A
Installation of the Water Conditioner
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 38-12-11-860-050-B ** ON A/C NOT FOR ALL
Subtask 38-12-11-420-050-A ** ON A/C NOT FOR ALL
Subtask 38-12-11-410-050-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:25:39 UTC
Installation of the Water Conditioner
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 | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 161DW |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-15-38-613-001-A | Fill the Potable Water Tank System (Aircraft Electrical Power Available) |
| TASK 12-15-38-613-002-A | Fill the Potable Water Tank System (Aircraft Electrical Power not Available) |
| TASK 12-24-38-680-001-A | Draining of the Potable Water System (with Electrical Power) |
| TASK 12-24-38-680-002-A | Draining of the Potable Water System (without Electrical Power) |
| 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 25-55-12-000-001-A | Removal of the Aft Cargo-Compartment Partition at FR65 |
| TASK 25-55-12-400-001-A | Installation of the Aft Cargo-Compartment Partition at FR65 |
| TASK 38-10-00-614-001-A | Pressurization of the Potable Water System from a Ground Air Supply |
| TASK 38-10-00-614-002-A | Depressurization of the Potable Water System |
| TASK 38-10-00-614-003-A | Pressurization of the Potable Water System with the Compressor |
| TASK 38-10-00-670-002-A | Disinfection of Potable Water System and Discard of Water Filter Elements, if Installed |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-003-A | Open the FWD or Aft Cargo-Compartment Door with the Hand Pump |
| TASK 52-30-00-860-004-A | Close the FWD or Aft Cargo-Compartment Door with the Hand Pump |
Water ConditionerSubtask 38-12-11-860-050-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the potable water system is drained (Ref. AMM TASK 12-24-38-680-001) (Ref. AMM TASK 12-24-38-680-002).
(3) Make sure that the potable water system is depressurized (Ref. AMM TASK 38-10-00-614-002).
(4) Make sure that the WARNING NOTICE(S) are in position on the potable-water service panel to tell persons not to fill or pressurize the potable water system.
(5) Make sure that the aft cargo-compartment door is open and safetied (Ref. AMM TASK 52-30-00-860-001) (Ref. AMM TASK 52-30-00-860-003).
(6) Make sure that cargo-compartment light switch 8LU is set to ON position.
(7) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
(8) Make sure that partition 161DW is removed (Ref. AMM TASK 25-55-12-000-001).
Subtask 38-12-11-865-051-A ** ON A/C NOT FOR ALL (1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the potable water system is drained (Ref. AMM TASK 12-24-38-680-001) (Ref. AMM TASK 12-24-38-680-002).
(3) Make sure that the potable water system is depressurized (Ref. AMM TASK 38-10-00-614-002).
(4) Make sure that the WARNING NOTICE(S) are in position on the potable-water service panel to tell persons not to fill or pressurize the potable water system.
(5) Make sure that the aft cargo-compartment door is open and safetied (Ref. AMM TASK 52-30-00-860-001) (Ref. AMM TASK 52-30-00-860-003).
(6) Make sure that cargo-compartment light switch 8LU is set to ON position.
(7) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
(8) Make sure that partition 161DW is removed (Ref. AMM TASK 25-55-12-000-001).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2001VU | WATER SYS-AIR-COMPRESSOR | 19MD | F01 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | WATER SYS-QUANT-IND | 1MA | B06 |
| 2001VU | WATER SYS-DRAIN | 1MP | B05 |
Subtask 38-12-11-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Water Conditioner
(2) Remove the PLUG-BLANKING from each disconnected line end.
(3) Put the water conditioner (4) in its installation position through the clamps (3).
(4) Loosely tighten the clamps (3) with your hand.
(5) Connect the water lines (1) and (5) to the water conditioner (4).
(6) Tighten the water lines (1) and (5).
(7) Tighten the clamps (3).
Subtask 38-12-11-865-052-A ** ON A/C NOT FOR ALL WARNING:
MAKE SURE THAT THE POTABLE WATER SYSTEM IS DEPRESSURIZED. A PRESSURIZED SYSTEM CAN CAUSE INJURY TO PERSONS WHEN THEY DO WORK ON IT.
WARNING:
MAKE SURE THAT THE EQUIPMENT YOU USE FOR THIS PROCEDURE IS CLEAN AND APPROVED FOR THE POTABLE WATER SYSTEM. IF NOT IT CAN CAUSE CONTAMINATION OF THE POTABLE WATER SYSTEM.
(1) Do an inspection of the component interfaces and the adjacent area.(2) Remove the PLUG-BLANKING from each disconnected line end.
(3) Put the water conditioner (4) in its installation position through the clamps (3).
(4) Loosely tighten the clamps (3) with your hand.
(5) Connect the water lines (1) and (5) to the water conditioner (4).
(6) Tighten the water lines (1) and (5).
(7) Tighten the clamps (3).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 38-12-11-613-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2001VU | WATER SYS-AIR-COMPRESSOR | 19MD | F01 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | WATER SYS-QUANT-IND | 1MA | B06 |
| 2001VU | WATER SYS-DRAIN | 1MP | B05 |
C. Fill the potable water system to the 50% level (Ref. AMM TASK 12-15-38-613-001) (Ref. AMM TASK 12-15-38-613-002).
Subtask 38-12-11-790-050-A ** ON A/C NOT FOR ALL D. Do a Leak Check
(1) Pressurize the potable water system (Ref. AMM TASK 38-10-00-614-001) (Ref. AMM TASK 38-10-00-614-003).
(2) Examine the water conditioner connections for leaks.
Subtask 38-12-11-670-050-A ** ON A/C NOT FOR ALL 5. Close-up(1) Pressurize the potable water system (Ref. AMM TASK 38-10-00-614-001) (Ref. AMM TASK 38-10-00-614-003).
(2) Examine the water conditioner connections for leaks.
NOTE: Leaks are not permitted.
Subtask 38-12-11-410-050-B ** ON A/C NOT FOR ALL
A. Close Access
(1) Fold the insulation pack (2) around the water conditioner (4).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Install partition 161DW (Ref. AMM TASK 25-55-12-400-001).
(4) Remove the access platform(s).
(5) Set cargo-compartment light switch 8LU to OFF position.
(6) Remove the safety device and close the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002) (Ref. AMM TASK 52-30-00-860-004).
(7) Remove the WARNING NOTICE(S).
Subtask 38-12-11-862-050-A ** ON A/C NOT FOR ALL (1) Fold the insulation pack (2) around the water conditioner (4).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Install partition 161DW (Ref. AMM TASK 25-55-12-400-001).
(4) Remove the access platform(s).
(5) Set cargo-compartment light switch 8LU to OFF position.
(6) Remove the safety device and close the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002) (Ref. AMM TASK 52-30-00-860-004).
(7) Remove the WARNING NOTICE(S).