DOC AIRBUS | AMM A320FInstallation of the Nozzle Assembly
TASK 38-12-41-400-006-A
Installation of the Nozzle Assembly
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 38-12-41-860-060-A
Subtask 38-12-41-860-061-A
Subtask 38-12-41-410-060-A
[Rev.10 from 2021]
2026.04.02 06:25:40 UTC
Installation of the Nozzle Assembly
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 200
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 2 | CONTAINER 10 L(2 1/2 USGAL) |
| No specific | AR | WARNING NOTICE(S) |
| 9010020380AIR | 1 | KEY SPECIAL |
| T6036 | 1 | AERATOR TOOL |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.11AKG9) | Disinfectant-Potable Water System - Legacy |
| No specific | 10% citric acid solution |
| No specific | vinegar (10% acetic acid solution) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| 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 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 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 |
Nozzle AssemblySubtask 38-12-41-860-060-A
A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the hoses are installed on drain masts 4DU and 14DU.
(3) Make sure that the CONTAINER 10 L(2 1/2 USGAL) are in position below drain masts 4DU and 14DU.
(4) Make sure that the end of the hoses are in the CONTAINER 10 L(2 1/2 USGAL) below the drain masts.
(5) Make sure that the potable-water shutoff valve in the lavatory is in the CLOSED position.
(6) Make sure that the WARNING NOTICE(S) are in position to tell persons not to use the toilet(s) or open the potable-water shutoff valve(s).
Subtask 38-12-41-865-064-A (1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the hoses are installed on drain masts 4DU and 14DU.
(3) Make sure that the CONTAINER 10 L(2 1/2 USGAL) are in position below drain masts 4DU and 14DU.
(4) Make sure that the end of the hoses are in the CONTAINER 10 L(2 1/2 USGAL) below the drain masts.
(5) Make sure that the potable-water shutoff valve in the lavatory is in the CLOSED position.
(6) Make sure that the WARNING NOTICE(S) are in position to tell persons not to use the toilet(s) or open the potable-water shutoff valve(s).
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 | VACU TOIL SYS-LAV PWR-E | 34MG | A04 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-D | 39MG | A03 |
| ** ON A/C ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-A | 32MG | A01 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-G | 34MG | A04 |
| 2001VU | VACU TOIL SYS-LAV PWR-F | 39MG | A03 |
| 2001VU | VACU TOIL SYS-LAV PWR-D | 45MG | A02 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-L | 45MG | A02 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-M | 34MG | A04 |
Subtask 38-12-41-860-061-A
A. Preparation before Installation
(3) Dry the nozzle assemblies and clean them in alcohol (minimum 70%):
(a) Make sure that the alcohol reacts with the surfaces for a minimum of 5 minutes.
(b) Let the compound dry.
(c) As an alternative, use disinfectants ELSIL 3% H2O2 (966300), HERLISIL (966500), H Bio T50 (966400) or SANOSIL (966200):
1 Make sure that the concentration of H2O2 in these disinfectants is decreased to 3%.
2 Spray the disinfectant from a maximum distance of approximately 10 cm.
3 Make sure that the disinfectant reacts with the surfaces for a minimum of 5 minutes.
4 Install the components while they are wet with the disinfectant.
Subtask 38-12-41-420-055-A ** ON A/C NOT FOR ALL 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) Put the nozzle assemblies in vinegar (10% acetic acid solution) or 10% citric acid solution to remove the unwanted material. NOTE: Airbus recommends that you use a non-metallic stiff-bristled brush to remove the material if necessary.
(2) Clean the nozzle assemblies with clean water. (3) Dry the nozzle assemblies and clean them in alcohol (minimum 70%):
(a) Make sure that the alcohol reacts with the surfaces for a minimum of 5 minutes.
(b) Let the compound dry.
(c) As an alternative, use disinfectants ELSIL 3% H2O2 (966300), HERLISIL (966500), H Bio T50 (966400) or SANOSIL (966200):
1 Make sure that the concentration of H2O2 in these disinfectants is decreased to 3%.
2 Spray the disinfectant from a maximum distance of approximately 10 cm.
3 Make sure that the disinfectant reacts with the surfaces for a minimum of 5 minutes.
4 Install the components while they are wet with the disinfectant.
B. Installation of the Nozzle Assembly
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the washer (2) onto the nozzle (3).
(4) Disinfect the 9010020380AIR KEY SPECIAL (4) and the water faucet outlet (1) with Disinfectant-Potable Water System - Legacy (Material No.11AKG9) :
(a) Spray disinfectant from a distance of approximately 10 cm maximum.
Subtask 38-12-41-420-055-B ** ON A/C NOT FOR ALL NOTE: The procedure for the installation of the nozzle assembly is same for all the lavatories.
(1) Clean the component interfaces and the adjacent area.(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the washer (2) onto the nozzle (3).
(4) Disinfect the 9010020380AIR KEY SPECIAL (4) and the water faucet outlet (1) with Disinfectant-Potable Water System - Legacy (Material No.11AKG9) :
(a) Spray disinfectant from a distance of approximately 10 cm maximum.
NOTE: The disinfectant must react with surfaces for a minimum of 5 minutes.
NOTE: The disinfected components must not be dried after the disinfection and must be installed in wet condition.
(5) Use the 9010020380AIR KEY SPECIAL (4) to install the nozzle assembly (5) in the water faucet outlet (1). B. Installation of the Nozzle Assembly
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the flow control insert (2) and the washer (3) onto the nozzle (1).
(4) Disinfect the T6036 AERATOR TOOL and the water-faucet outlet (4) with Disinfectant-Potable Water System - Legacy (Material No.11AKG9) :
(a) Spray disinfectant from a distance of approximately 10 cm maximum.
Subtask 38-12-41-865-065-A NOTE: This procedure for the installation of the water-faucet nozzle assembly is the same for all of the lavatories which have the electronic water faucet.
(1) Clean the component interfaces and the adjacent area.(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the flow control insert (2) and the washer (3) onto the nozzle (1).
(4) Disinfect the T6036 AERATOR TOOL and the water-faucet outlet (4) with Disinfectant-Potable Water System - Legacy (Material No.11AKG9) :
(a) Spray disinfectant from a distance of approximately 10 cm maximum.
NOTE: The disinfectant must react with surfaces for 5 minutes minimum.
NOTE: The disinfected components should not be dried after the disinfection and should be installed in wet condition.
(5) Use the T6036 AERATOR TOOL to install the nozzle assembly (5) in the water-faucet outlet (4). C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 38-12-41-790-054-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-E | 34MG | A04 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-D | 39MG | A03 |
| ** ON A/C ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-A | 32MG | A01 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-G | 34MG | A04 |
| 2001VU | VACU TOIL SYS-LAV PWR-F | 39MG | A03 |
| 2001VU | VACU TOIL SYS-LAV PWR-D | 45MG | A02 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-L | 45MG | A02 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-M | 34MG | A04 |
D. Leak Check
(1) If necessary, fill the potable water system (Ref. AMM TASK 12-15-38-613-001) (Ref. AMM TASK 12-15-38-613-002).
(2) If necessary, pressurize the potable water system (Ref. AMM TASK 38-10-00-614-001) (Ref. AMM TASK 38-10-00-614-003).
(3) In the lavatory, turn the potable-water shut-off valve to the OPEN position.
(4) In the lavatory, operate the water faucet until water flows into the washbasin.
(5) Examine the fittings and the water faucet for leaks.
(7) Dry the area of the washbasin and the water faucet with a clean cloth.
5. Close-up(1) If necessary, fill the potable water system (Ref. AMM TASK 12-15-38-613-001) (Ref. AMM TASK 12-15-38-613-002).
(2) If necessary, pressurize the potable water system (Ref. AMM TASK 38-10-00-614-001) (Ref. AMM TASK 38-10-00-614-003).
(3) In the lavatory, turn the potable-water shut-off valve to the OPEN position.
(4) In the lavatory, operate the water faucet until water flows into the washbasin.
(5) Examine the fittings and the water faucet for leaks.
NOTE: Leaks are not permitted.
(6) De-pressurize the potable water system (Ref. AMM TASK 38-10-00-614-002). (7) Dry the area of the washbasin and the water faucet with a clean cloth.
Subtask 38-12-41-410-060-A
A. Close Access
(1) Remove the hoses from drain masts 4DU and 14DU.
(2) Remove the CONTAINER 10 L(2 1/2 USGAL) below drain masts 4DU and 14DU.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Remove the WARNING NOTICE(S).
Subtask 38-12-41-862-055-A (1) Remove the hoses from drain masts 4DU and 14DU.
(2) Remove the CONTAINER 10 L(2 1/2 USGAL) below drain masts 4DU and 14DU.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Remove the WARNING NOTICE(S).