W DOC AIRBUS | AMM A320F

Removal of the Heated Fill/Drain Nipple and/or Overflow Nipple


TASK 30-72-52-000-001-A
Removal of the Heated Fill/Drain Nipple and/or Overflow Nipple


FIN: 11DV
FIN: 13DV ** ON A/C NOT FOR ALL
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
1
ELEC CONTACTS INSERTION EXTRACTION TOOL M15570-20
No specific
AR
PLUG - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
SCRAPER - NON METALLIC
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
161DW, 171AL
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 12-24-38-680-002-A
Draining of the Potable Water System (without Electrical Power)
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 25-55-12-000-001-A
Removal of the Aft Cargo-Compartment Partition at FR65
TASK 30-72-11-000-001-A
Removal of the Thermostat
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
F Fill/Drain Nipple 11DV ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 30-72-52-860-050-A
A. Aircraft Maintenance Configuration
   (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
   (2) Drain the potable water system (Ref. AMM TASK 12-24-38-680-002).
   (3) Put a WARNING NOTICE in position to tell persons not to fill or flush the potable water system.
Subtask 30-72-52-865-058-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP-SVCE-PNL15DVD01
** ON A/C NOT FOR ALL
2001VUPOT WIP-SVCE-PNL15DVD01
Subtask 30-72-52-010-050-A
C. Get Access
   (1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the potable water service-panel and open the access door 171AL.
   (2) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
   (3) Set cargo-compartment light switch 8LU to ON position.
   (4) Remove partition 161DW to get access to the nipple(s) and terminal block 7510VT (Ref. AMM TASK 25-55-12-000-001).
4. Procedure
Subtask 30-72-52-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the FILL/DRAIN NIPPLE (11DV) and/or OVERFLOW NIPPLE (13DV)
   (1) Remove the thermostat 12DV and/or 14DV (4) (Ref. AMM TASK 30-72-11-000-001).
   (2) Remove and discard the cable ties of the electrical harness.
   (3) Disconnect the electrical contacts with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15570-20.
   (4) Disconnect the potable water pipe (1) from the fill/drain nipple (9) and/or overflow nipple (10).
   (5) Put the PLUG-BLANKING in each disconnected line end.
   (6) If necessary, remove the cap (7) from the fill/drain nipple (9).
   (7) Remove the screws (8), the washers (3) and nuts (2) from the fill/drain nipple (9) and/or overflow nipple (10).
NOTE: The screws (6) and the related washers and nuts are removed during the removal procedure of the thermostat (4).
   (8) Remove the sealant around the fill/drain nipple (9) and/or overflow nipple (10) carefully with the SCRAPER - NON METALLIC.
   (9) Remove the fill/drain nipple (9) and/or overflow nipple (10) and the related insulation plate (5), (11) from the potable water service-panel.
Subtask 30-72-52-020-050-B ** ON A/C NOT FOR ALL
A. Removal of the FILL/DRAIN NIPPLE (11DV)
   (1) Remove the thermostat 12DV (4) (Ref. AMM TASK 30-72-11-000-001).
   (2) Remove and discard the cable ties of the electrical harness.
   (3) Disconnect the electrical contacts with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15570-20.
   (4) Disconnect the potable water pipe (1) from the fill/drain nipple (9).
   (5) Put the PLUG-BLANKING in each disconnected line end.
   (6) If necessary, remove the cap (7) from the fill/drain nipple (9).
   (7) Remove the screws (8), the washers (3) and nuts (2) from the fill/drain nipple (9).
NOTE: The screws (6) and the related washers and nuts are removed during the removal procedure of the thermostat (4).
   (8) Remove the sealant around the fill/drain nipple (9) carefully with the SCRAPER - NON METALLIC.
   (9) Remove the fill/drain nipple (9) and the insulation plate (5) from the potable water service-panel.
[Rev.10 from 2021] 2026.04.01 00:32:24 UTC