AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
** ON A/C FSN ALL
TASK 38-10-00-670-803-A
Disinfection of the Potable Water System with Hypochlorite and Discard of Water Filter Cartridges (if installed)
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL
MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING: ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO
THIS TASK.
WARNING: REFER TO THE MANUFACTURER'S MATERIAL SAFETY DATA SHEETS FOR CONSUMABLE
MATERIAL INFORMATION. THIS INCLUDES HAZARDOUS INGREDIENTS, PHYSICAL AND
CHEMICAL CHARACTERISTICS, FIRE, EXPLOSION, REACTIVITY, HEALTH HAZARD DATA,
PRECAUTIONS FOR SAFE HANDLING, AND USE OF CONTROL MEASURES.
WARNING: DO NOT DO WORK ON THE WASTE WATER SYSTEM AND THE POTABLE WATER SYSTEM
AT THE SAME TIME.
THIS WILL PREVENT CONTAMINATION OF THE POTABLE WATER SYSTEM. SUCH
CONTAMINATION CAN BE DANGEROUS TO HEALTH.
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.
NOTE: Before you do the disinfection procedure, do an analysis of the water you will use. Make sure that the
analysis result is within the limits given for drinking water by the local authority.
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
QT
REFERENCE DESIGNATION
Y
No specific 1 ACCESS PLATFORM 1M(3 FT)
No specific 2 CART - SERVICING, WATER, POTABLE
No specific 2 CONTAINER 10 L(2 1/2 USGAL)
No specific 1 CONTAINER 50 L(15 USGAL)
No specific 1 FILTER - FINE MESH
No specific 2 FLASHLIGHT
No specific 2 HOSE - VINYL
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 1 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
No specific 2 MIRROR - INSPECTION, FLEXIBLE
No specific AR SAFETY CLIP - CIRCUIT BREAKER
No specific AR WARNING NOTICE(S)
No specific 2 WATER SOURCE - GROUND
B. Consumable Materials
REFERENCE DESIGNATION
11AKB1 Disinfectant-Potable Water System Hypochlorite -
No specific Test Strips for Free Chlorine
C. Work Zones and Access Panels
ZONE/ACCESS ZONE DESCRIPTION
170 AFT CAB U/FLOOR COMPT AFT BHD OF BULK
171AL
D. Referenced Information
REFERENCE DESIGNATION
Ref. 12-15-38-613-001-A Fill the Potable Water Tank System (Aircraft Electrical Power
Available)
Ref. 12-15-38-613-002-A Fill the Potable Water Tank System (Aircraft Electrical Power not
Available)
Ref. 12-24-38-680-001-A Draining of the Potable Water System (with Electrical Power)
Ref. 12-31-38-660-001-A Cold Weather Maintenance - Water/Waste
Ref. 12-33-21-618-001-A Pre-conditioning through the LP Ground Connection (Aircraft
Electrical Power Available)
Ref. 12-33-21-618-001-A01 Pre-conditioning through the HP Ground Connection
Ref. 12-33-21-618-001-A02 Pre-conditioning with the APU
Ref. 12-33-21-618-001-A03 Pre-conditioning through the LP Ground Connection (Aircraft
Electrical Power Not Available)
Ref. 24-42-00-861-001-A Energize the Ground Service Network from the External Power
Ref. 24-42-00-862-001-A De-energize the Ground Service Network Supplied from the
External Power
Ref. 38-10-00-614-001-A Pressurization of the Potable Water System from a Ground Air
Supply
Ref. 38-10-00-614-002-A Depressurization of the Potable Water System
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 2 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
Ref. 38-12-23-920-802-A Replacement of the Galley Water-Filter Elements
Ref. 38-12-41-000-006-A Removal of the Nozzle Assembly
Ref. 38-12-41-000-006-A01 Removal of the Nozzle Assembly
Ref. 38-12-41-400-006-A Installation of the Nozzle Assembly
Ref. 38-12-41-400-006-A01 Installation of the Nozzle Assembly
Ref. 38-31-00-680-001-A Draining of the Toilet System
Ref. 38-41-00-790-002-A Leak Check of the Air supply System
Ref. 25-35-00-00 GALLEY EQUIPMENT - DESCRIPTION AND OPERATION
Ref. Fig. Disinfection of Potable Water System
3. Job Set-up
SUBTASK 38-10-00-861-064-A
A. Aircraft Maintenance Configuration
(1) Energize the ground service network
Ref. AMM TASK 24-42-00-861-001.
SUBTASK 38-10-00-680-057-A
B. Draining of the Potable Water System
(1) Drain the potable water system Ref. AMM TASK 12-24-38-680-001.
SUBTASK 38-10-00-560-078-A
C. Preparation of the Disinfectant Solution with Calcium Hypochlorite or Sodium Hypochlorite
WARNING: ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES
WHEN YOU DO THIS TASK.
WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
- FLUSH IT AWAY WITH CLEAN WATER
- GET MEDICAL AID.
(1) Mix the Disinfectant-Potable Water System Hypochlorite - (Material Ref. 11AKB1) with 5 l (1.32
USgal) water (water temperature approx. 20 deg.C (68.00 deg.F)) in a CONTAINER 10 L(2 1/2
USGAL) as given in Table 1 or Table 2.
NOTE: Airbus recommends:
- To use the water from the cold water tap for the disinfection of the potable water
system.
- Not to keep the water or the disinfectant solution in a very cold or very hot
condition before you do the disinfection procedure.
NOTE: The mixture given in Table 1 or Table 2 is for a concentration of 100 milligrams per liter
Free Available Chlorine (FAC) for a volume of 250 l (66.04 USgal) of water.
Table 1
Volume water Calcium
needed for hypochlorite
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 3 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
A/C Type Numb Usable tank disinfection (70%) (CML 14 Sodium
er of volume in l solution in l 003E) in g hypochlorite
tanks (USgal) (USgal) * (ounces) (13%) (CML 14
003F) in l (Usgal)
A318,A319 1 200 (53) 250 (66) 36 (1.3) -
A320,A321
or
Table 2
Volume water Calcium
Sodium
Numb Usable tank needed for hypochlorite
hypochlorite
A/C Type er of volume in l disinfection (70%) (CML 14
(13%) (CML 14
tanks (USgal) solution in l 003E) in g
003F) in l (Usgal)
(USgal) * (ounces)
A318,A319 1 200 (53) 250 (66) - 0.16 (0.04)
A320,A321
(2) If the Disinfectant-Potable Water System Hypochlorite - (Material Ref. 11AKB1) are used:
(a) Let the disinfectant material fully mix in the water.
(b) Put the disinfectant solution through a FILTER - FINE MESH into a clean CONTAINER 10
L(2 1/2 USGAL).
SUBTASK 38-10-00-618-056-A
D. Preparation for Cold Weather Conditions
(1) Obey the cold-weather maintenance procedure Ref. AMM TASK 12-31-38-660-001.
(2) If the temperature in the aircraft is below 4 DEG.C (39.20 DEG.F), do the pre-conditioning
procedure Ref. AMM TASK 12-33-21-618-001.
SUBTASK 38-10-00-865-079-A
E. Open, safety and tag this(these) circuit breaker(s):
PANEL DESIGNATION FIN LOCATION
** ON A/C FSN 001-103, 105-106, 108-150, 155-200
2000VU WATER SYSTEM-QANT-IND 1MA B01
2000VU LAV FWD & MID-HOT WATER-A 1MB F02
** ON A/C FSN 001-050, 101-103, 105-106, 108-150, 155-200
2001VU VACU TOIL SYS-LAV PWR-G 34MG A04
2001VU VACU TOIL SYS-LAV PWR-F 39MG A03
** ON A/C FSN 001-050, 101-103, 105-106, 108-150, 201-251
2001VU LAV AFT-HOT WATER-G 9MB B03
** ON A/C FSN 001-103, 105-106
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 4 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
2001VU VACU TOIL SYS-VACUUM-GEN 33MG A08
** ON A/C FSN 001-103, 105-106, 108-150, 155-200
2001VU LAV AFT-HOT WATER-F 2MB B02
** ON A/C FSN ALL
2001VU VACU TOIL SYS-VACU-SYS 35MG A06
2001VU VACU TOIL SYS-LAV PWR-A 32MG A01
** ON A/C FSN 101-103, 105-106, 108-150, 155-200
2001VU WATER-SYS-DRAIN 1MP B05
** ON A/C FSN ALL
SUBTASK 38-10-00-010-068-A
F. Get Access
(1) Put an ACCESS PLATFORM 1M(3 FT) in position at Zone 171.
(2) Open service door 171AL.
(3) Put a WARNING NOTICE(S) in position on service door 171AL to tell persons not to close it.
(4) Connect a HOSE - VINYL to the overflow connection at the Potable Water Service Panel
(PWSP).
(5) Put the end of the HOSE - VINYL in a CONTAINER 10 L(2 1/2 USGAL).
SUBTASK 38-10-00-860-058-A
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.
G. Aircraft Maintenance Configuration
Ref. Fig. Disinfection of Potable Water System
(1) In the cockpit, on overhead panel 30VU, put the WARNING NOTICE(S) in position to tell
persons not to pressurize the bleed system.
(2) Put the WARNING NOTICE(S) in position at the HP ground connector to tell persons not to
supply the ground air.
(3) Make sure that all the potable-water shutoff valves in the lavatories and the wet unit galleys are
closed.
(4) In the lavatories, open the cabinet door and set the switch on each water heater to the OFF
position:
(a) If necessary, use the FLASHLIGHT and the MIRROR - INSPECTION, FLEXIBLE and find
the power switch of the water heater.
(5) Put the WARNING NOTICE(S) in position at each lavatory and wet unit galley to tell persons not
to use the potable water system.
(6) Remove the water-faucet nozzle assemblies from the lavatories Ref. AMM TASK 38-12-41-000-
006.
(7) Remove the galley water-filter elements Ref. AMM TASK 38-12-23-920-802:
(a) If the caps and the filter elements are installed on the galley filter housings, remove them.
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 5 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
(b) Do not install the new filter elements at this time.
(c) If the caps are removed from the galley filter housings, install them and tighten the
clamps.
(d) If the canister is installed on the interface, remove it.
(e) Do not install a new canister at this time.
(f) Install the bypass connector on the interface and tighten it.
NOTE: The bypass connector is attached to the interface.
(8) Remove the equipment connected to the potable water system from each wet galley:
(a) Find all the equipment connected to the potable water system (for example, the coffee
maker, the water heater or the steam oven) Ref. AMM D/O 25-35-00-00.
(b) Remove the equipment you found. Refer to the related removal tasks for these
components.
(c) If necessary, send the components to the workshop to do the disinfection of the removed
components and clean them.
(9) Connect the HOSE - VINYL to each waste water drain-mast.
(10) Put the end of each HOSE - VINYL in the CONTAINER 50 L(15 USGAL).
(11) At the PWSP:
(a) Connect the adaptor (3) (with the flexible hose (5) and the shutoff valve (4)) to the fill/drain
port (2).
(b) Put the end of the flexible hose (5) into the container with the disinfectant solution (8).
(c) Connect the filling hose (7) (with the shutoff valve (6)) from the CART - SERVICING,
WATER, POTABLE or WATER SOURCE - GROUND to the adaptor (3).
4. Procedure
SUBTASK 38-10-00-670-075-A
A. Disinfection of the Potable Water Tank and Distribution System
Ref. Fig. Disinfection of Potable Water System
(1) Fill the potable water system with water and with the disinfectant solution:
(a) Before you fill the potable water system, make sure that the potable water system is
depressurized Ref. AMM TASK 38-10-00-614-002.
NOTE: If the potable water system is depressurized, the solution can flow out of the
POTABLE WATER OVERFLOW port, when the potable water tank is filled.
(b) On the PWSP (1):
1 Turn the FILL OVERFLOW DRAIN handle (9) from the NORMAL to the PULL TO
FILL position.
2 Pull the FILL OVERFLOW DRAIN handle (9) out to the mechanical stop.
(c)
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 6 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
Open the shutoff valve (6) in the filling hose (7) of the CART - SERVICING, WATER,
POTABLE or WATER SOURCE - GROUND.
(d) Open the shutoff valve (4) on the flexible hose (5).
(e) Fill the potable water system with water and with three quarters of the disinfectant solution
Ref. AMM TASK 12-15-38-613-002.
NOTE: The disinfectant solution will flow into the potable water system by suction
caused by the flow of water.
NOTE: It is necessary not to use all of the disinfectant solution for this procedure.
Approximately one quarter of the disinfectant solution must be kept to bleed the
potable water system.
(f) When three quarters of the disinfection solution are used, close the shutoff valve (4).
(g) Fill the potable water system with water until the solution flows out of the POTABLE
WATER OVERFLOW port Ref. AMM TASK 12-15-38-613-002.
(h) Close the shutoff valve (6).
(i) On the PWSP (1):
1 Push the FILL OVERFLOW DRAIN handle (9) in.
2 Turn the FILL OVERFLOW DRAIN handle (9) from the PULL TO FILL to the
NORMAL position.
SUBTASK 38-10-00-865-080-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANEL DESIGNATION FIN LOCATION
** ON A/C FSN 001-050, 101-103, 105-106, 108-150, 155-200
2001VU VACU TOIL SYS-LAV PWR-G 34MG A04
2001VU VACU TOIL SYS-LAV PWR-F 39MG A03
** ON A/C FSN ALL
2001VU VACU TOIL SYS-LAV PWR-A 32MG A01
** ON A/C FSN ALL
SUBTASK 38-10-00-670-076-A
WARNING: DO NOT GET THE WATER WITH THE DISINFECTANT SOLUTION ON YOUR SKIN OR IN
YOUR EYES.
DO NOT LET WATER TOUCH SURFACES OTHER THAN THE WASH BASIN (WHEN THE
NOZZLE ASSY IS NOT ON THE FAUCET, THE SOLUTION FLOWS OUT
HORIZONTALLY).
TO DO THIS: - PUT ON PROTECTIVE CLOTHING
- PUT ON EYE PROTECTION OR GOGGLES
-
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 7 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
PUT A GUARD AROUND THE WATER FAUCET OUTLET TO CAUSE SPRAY FROM
THE SOLUTION TO FLOW INTO THE WASH BASIN (SPRAY FROM THE SOLUTION
MUST NOT GO ON ADJACENT SURFACES).
C. Disinfection of the Potable-Water Distribution System
Ref. Fig. Disinfection of Potable Water System
(1) Open all the manual shutoff valves in the lavatories and the galleys.
(2) Pressurize the potable water system Ref. AMM TASK 38-10-00-614-001.
(3) Bleed the potable water system:
(a) In each lavatory, flush each toilet 15 times.
(b) Open the water faucets:
NOTE: If the quantity of contamination in the potable water system is large:
- It is necessary to let the disinfection solution flow longer through the water
faucets.
- This makes sure that the potable water system is clean.
1 In each lavatory, open the water faucet for 3 minutes.
2 In each wet galley:
a Open the manual shutoff valve.
b If installed, open the water faucet and let 5 l (1.32 USgal) of the disinfection
solution flow through the sink.
(c) Close all the potable-water shutoff valves and open them again.
NOTE: This lets the disinfection solution soak on the two faces of the shutoff valves.
(4) Depressurize the potable water system Ref. AMM TASK 38-10-00-614-002.
NOTE: If the potable water system is depressurized, the solution can flow out of the POTABLE
WATER OVERFLOW port, when the potable water tank is filled.
(5) Open the shutoff valve (6).
(6) Open the shutoff valve (4).
(7) Fill the potable water system with the disinfectant solution until it flows out of the POTABLE
WATER OVERFLOW port Ref. AMM TASK 12-15-38-613-001.
NOTE: The disinfectant solution will flow into the potable water system by suction caused by
the flow of water.
(8) Close the shutoff valve (4).
(9) Close the shutoff valve (6).
(10) Pressurize the potable water system Ref. AMM TASK 38-10-00-614-001.
(11) Let the disinfectant solution stay in the system for 1 hour.
(12) Do step C.(1) to (10) again and let the solution stay in the system again for 30 minutes.
(13) Disconnect the filling hose (7) from the adaptor (3).
(14) Disconnect the adaptor (3) from the fill/drain port (2).
SUBTASK 38-10-00-170-058-A
D. Flush the Potable Water System (after disinfection with Calcium Hypochlorite or Sodium Hypochlorite)
WARNING:
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 8 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
DO NOT GET THE WATER WITH THE DISINFECTANT SOLUTION ON YOUR SKIN
OR IN YOUR EYES.
DO NOT LET WATER TOUCH SURFACES OTHER THAN THE WASH BASIN
(WHEN THE NOZZLE ASSY IS NOT ON THE FAUCET, THE SOLUTION FLOWS
OUT HORIZONTALLY).
TO DO THIS: - PUT ON PROTECTIVE CLOTHING
- PUT ON EYE PROTECTION OR GOGGLES
- PUT A GUARD AROUND THE WATER FAUCET OUTLET TO CAUSE SPRAY
FROM THE SOLUTION TO FLOW INTO THE WASH BASIN (SPRAY FROM
THE SOLUTION MUST NOT GO ON ADJACENT SURFACES).
(1) Drain the potable water system Ref. AMM TASK 12-24-38-680-001.
(2) Fill the potable water system with clean water Ref. AMM TASK 12-15-38-613-001.
(3) Pressurize the potable water system Ref. AMM TASK 38-10-00-614-001.
(4) Operate the water faucets in the lavatories and the galleys to flush them.
(a) In the lavatories:
1 Operate each toilet and flush it 15 times.
2 Set each water faucet to the COLD position and fill the washbasin with water to the
overflow level (approximately 3 l (0.79 USgal)).
3 Drain the washbasin fully.
4 Set each water faucet to the HOT position and do the procedure again.
(b) In each wet galley:
1 If installed, open the water faucet and let 5 l (1.32 USgal) of water flow through the
sink.
SUBTASK 38-10-00-670-074-A
E. Test for Remaining Disinfectant
(1) Examine the potable water in all galleys and lavatories for remaining disinfectant.
(a) Do the test with Test Strips for Free Chlorine.
(b) Carefully let the water flow on the test strip at the water faucets in the galleys and
lavatories.
(2) If the test shows that there is remaining disinfectant that is more than the legal limits in the
water, flush the system again.
NOTE: The legal limits are given by the national health authority for drinking water.
5. Close-up
SUBTASK 38-10-00-560-083-A
A. Installation of the Filter Elements and the Nozzle Assemblies (after disinfection of the potable water
system with calcium hypochlorite or sodium hypochlorite)
(1) Install the galley water-filter elements Ref. AMM TASK 38-12-23-920-802:
(a) If removed, install new filter elements to the related galley filter housings.
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 9 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
(b) If installed, remove the bypass connectors from the related interfaces.
(c) If removed, install new canisters to the related interfaces.
(2) In each wet galley, install all equipment connected to the potable water system which you
removed for cleaning in the shop. Refer to the related installation tasks for these components.
(3) Do the leak check of the air supply system Ref. AMM TASK 38-41-00-790-002.
NOTE: Leaks are not permitted.
(4) Install the water-faucet nozzle assemblies Ref. AMM TASK 38-12-41-400-006.
SUBTASK 38-10-00-865-091-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANEL DESIGNATION FIN LOCATION
** ON A/C FSN 001-103, 105-106, 108-150, 155-200
2000VU WATER SYSTEM-QANT-IND 1MA B01
2000VU LAV FWD & MID-HOT WATER-A 1MB F02
** ON A/C FSN 001-050, 101-103, 105-106, 108-150, 201-251
2001VU LAV AFT-HOT WATER-G 9MB B03
** ON A/C FSN 001-103, 105-106
2001VU VACU TOIL SYS-VACUUM-GEN 33MG A08
** ON A/C FSN 001-103, 105-106, 108-150, 155-200
2001VU LAV AFT-HOT WATER-F 2MB B02
** ON A/C FSN ALL
2001VU VACU TOIL SYS-VACU-SYS 35MG A06
** ON A/C FSN 101-103, 105-106, 108-150, 155-200
2001VU WATER-SYS-DRAIN 1MP B05
** ON A/C FSN ALL
SUBTASK 38-10-00-613-065-A
C. Filling of the Potable Water System
(1) If necessary, fill the potable water system Ref. AMM TASK 12-15-38-613-001.
SUBTASK 38-10-00-680-058-A
D. Draining of the Waste Water Tank
(1) If necessary, drain the waste water tank Ref. AMM TASK 38-31-00-680-001.
SUBTASK 38-10-00-410-071-A
E. Close Access
(1) Disconnect the hoses from the waste-water drain masts.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Make sure that the manual shutoff valve of the potable water system is open.
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 10 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
(4) Set the switches on the water heaters in all lavatories to the ON position:
(a) If necessary, use a FLASHLIGHT and MIRROR - INSPECTION, FLEXIBLE to find the
power switch of the water heater.
(5) Close service door 171AL.
(6) Remove the warning notice(s).
(7) Remove the access platform(s).
SUBTASK 38-10-00-942-063-A
F. Removal of the Ground Support Equipment
(1) Remove the ground support and maintenance equipment, the special and standard tools and all
other items.
(2) To discard the used disinfection solution, refer to the national or local authority regulations.
SUBTASK 38-10-00-862-057-A
G. De-energize the ground service network
Ref. AMM TASK 24-42-00-862-001.
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 11 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
AMM - JAT - A318/A319/A320/A321 REV DATE: May 01/2022
Tail Number - MSN - FSN: CC-AWK - 09328 - 102
38-10-00-670-803-A - Disinfection of the Potable Water System with
Hypochlorite and Discard of Water Filter Cartridges (if installed)
Figure 38-10-00-991-00700-00-A (SHEET 1) - Disinfection of Potable Water System
** ON A/C FSN ALL
JCP Title: 381000-01-1 subtask © AIRBUS S.A.S. ALL RIGHTS RESERVED. Page 12 of 12
CONFIDENTIAL AND PROPRIETARY DOCUMENT. PRINT DATE: Jun 26/2022
