W DOC AIRBUS | AMM A320F

Adjustment of the Water Flow Time of the Electronic Water Faucet

TASK 38-12-00-820-002-A
Adjustment of the Water Flow Time of the Electronic Water Faucet

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
FLASHLIGHT
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
SCREWDRIVER - SMALL
 B. Referenced Information
REFERENCE
DESIGNATION
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 38-12-41-710-001-A
Operational Test of the Electronic Water Faucet
F Adjustment of the Water Flow Time
3. Job Set-up
Subtask 38-12-00-861-058-A ** ON A/C NOT FOR ALL
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 38-12-00-010-059-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the sanitary cabinet door under the washbasin.
   (2) Make sure that the potable water shutoff-valve in the lavatory is open.
Subtask 38-12-00-865-066-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2000VULAV FWD-HOT WATER-A1MBF02
2001VULAV AFT-HOT WATER-M9MBB03
2001VULAV AFT-HOT WATER-D/L2MBB02
Subtask 38-12-00-614-058-A ** ON A/C NOT FOR ALL
D. Pressurize the potable water system (Ref. AMM TASK 38-10-00-614-001).
4. Procedure
Subtask 38-12-00-820-051-A ** ON A/C NOT FOR ALL
A. Adjustment of the water flow time (at the electrical control box)
F Adjustment of the Water Flow Time ** ON A/C NOT FOR ALL
NOTE: Make sure that dirt or water do not come into the electrical control box.
   (1) Loosen the screws (3).
   (2) Remove the cover plate (2) from the electrical control box (1).
   (3) Set the power switch on the electrical control box (1) to the ON position.
   (4) Use a FLASHLIGHT to make sure that you can see the potentiometer R13 (4).
   (5) Carefully put a SCREWDRIVER - SMALL in position on the potentiometer R13 (4). Adjust the sensitivity (water flow time) as necessary.
   (6) Do the operational test (Ref. AMM TASK 38-12-41-710-001).
   (7) Put the cover plate (2) of the electrical control box (1) in position.
   (8) Tighten the screws (3).
Subtask 38-12-00-865-067-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2000VULAV FWD-HOT WATER-A1MBF02
2001VULAV AFT-HOT WATER-M9MBB03
2001VULAV AFT-HOT WATER-D/L2MBB02
5. Close-up
Subtask 38-12-00-614-060-A ** ON A/C NOT FOR ALL
A. Depressurize the potable water system (Ref. AMM TASK 38-10-00-614-002).
Subtask 38-12-00-410-061-A ** ON A/C NOT FOR ALL
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the sanitary cabinet door.
Subtask 38-12-00-862-059-A ** ON A/C NOT FOR ALL
C. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.02 06:25:38 UTC
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