W DOC AIRBUS | AMM A320F

Installation of Heated Drain Nipple

TASK 30-72-52-400-002-A
Installation of Heated Drain Nipple

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.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION: USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM THE MATERIAL MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.
ZONE: 160
ZONE: 170
FIN: 21DV ** 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
1
SCRAPER - NON METALLIC
No specific
1
SPRAY - COOLING
No specific
AR
TIE WRAP(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.04QAB2)
Coating_- Flexible Structure
(Material No.06AEB2)
Polysulfide Sealant-Low Adhesion Fillet Structure
(Material No.06LCG9)
Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
160
BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT
170
AFT CAB U/FLOOR COMPT AFT BHD OF BULK
162DW, 172AR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 12-16-38-613-001-A
Servicing of the Toilet System
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 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 25-55-12-400-001-A
Installation of the Aft Cargo-Compartment Partition at FR65
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
F Lavatory Drain Nipple 21DV ** ON A/C NOT FOR ALL
F Drain Nipple 21DV ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 30-72-52-860-053-A ** ON A/C NOT FOR ALL
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 toilet system is drained (Ref. AMM TASK 12-16-38-613-001).
   (3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at the waste water service-panel and access door 172AR is open.
   (4) Make sure that the aft cargo-compartment door is open (Ref. AMM TASK 52-30-00-860-001).
   (5) Make sure that cargo-compartment light switch 8LU is set to ON position.
   (6) Make sure that partition 162DW is removed to get access to the nipple(s) and terminal block 7585VT (Ref. AMM TASK 25-55-12-000-001).
Subtask 30-72-52-865-061-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP-SVCE-PNL15DVD01
** ON A/C NOT FOR ALL
2001VUWASTE WIP-HEATER-LINE31DUE04
** ON A/C NOT FOR ALL
2001VUPOT WIP-SVCE-PNL15DVD01
4. Procedure
Subtask 30-72-52-140-051-A ** ON A/C NOT FOR ALL
A. Preparation for installation
   (1) Remove the unwanted sealant with a SCRAPER - NON METALLIC.
   (2) Clean the component interface and/or the adjacent area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
   (3) Do an inspection of the component interfaces and the adjacent area.
Subtask 30-72-52-420-052-A ** ON A/C NOT FOR ALL
B. Installation of the DRAIN NIPPLE (21DV)
   (1) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (6) and (8).
   (2) Put the drain nipple (5) and the insulation plate (4) in position.
   (3) Install the drain nipple (5) with the screws (6), the washers (3) and the nuts (2).
   (4) Remove the blanking plugs from the disconnected line ends.
   (5) Install the flush water pipe (1) to the drain nipple (5).
   (6) Install the cap assy (7) with the screws (8), the spacers (9), the washers (10) and the nuts (11) on the drain nipple (5).
   (7) Connect the electrical contacts with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15570-20.
   (8) Attach the electrical harness with the TIE WRAP(S).
Subtask 30-72-52-420-052-C ** ON A/C NOT FOR ALL
B. Installation of the Heated Lavatory Drain-Nipple
   (1) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (6) and (8).
   (2) Put the drain nipple (5) and the insulation plate (4) in position.
   (3) Install the drain nipple (5) with the screws (6), the washers (3) and the nuts (2).
   (4) Remove the PLUG-BLANKING from each disconnected line end.
   (5) Install the waste flush pipe (1) on the drain nipple (5).
   (6) Install the cap assy (7) with the screws (8), the spacers (9), the washers (10) and the nuts (11) on the drain nipple (5).
   (7) Connect the electrical contacts with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15570-20 to terminal block 7585VT (12).
   (8) Attach the electrical harness with the TIE WRAP(S).
Subtask 30-72-52-914-051-A ** ON A/C NOT FOR ALL
C. Application of Sealant
   (1) Apply Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) around the drain nipple (5).
   (2) Make the sealant around the drain nipple (5) smooth.
   (3) Let the sealant cure.
   (4) Apply Coating_- Flexible Structure (Material No.04QAB2) to the sealant around the drain nipple (5).
5. Close-up
Subtask 30-72-52-861-052-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 30-72-52-865-064-A ** ON A/C NOT FOR ALL
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP-SVCE-PNL15DVD01
** ON A/C NOT FOR ALL
2001VUWASTE WIP-HEATER-LINE31DUE04
** ON A/C NOT FOR ALL
2001VUPOT WIP-SVCE-PNL15DVD01
Subtask 30-72-52-710-050-A ** ON A/C NOT FOR ALL
C. Do this test.
NOTE: The control unit 35DU controls and monitors heaters of the water servicing ice-protection and of the waste-water ice-protection. The result of HTRs of the waste water ice-protection system are indicated in parentheses, because the principal interest of this test is the water servicing ice-protection.
ACTION
RESULT
1.On the control unit 35DU:
  • push and hold the TEST pushbutton switch.
On the control unit 35DU:
  • The green LED III/IV (I/II) comes on.
  • Release the TEST pushbutton switch.
  • The green LED III/IV (I/II) goes off.
Subtask 30-72-52-710-050-C ** ON A/C NOT FOR ALL
C. Test
NOTE: It is necessary to use a SPRAY - COOLING for this test.
   (1) Do this test:
ACTION
RESULT
1.At the waste water service-panel:
At the waste water service-panel:
  • Apply cooling spray on and around the housing of thermostat 22DV.
  • Make sure that lavatory drain nipple 21DV becomes warm.
Subtask 30-72-52-410-051-A ** ON A/C NOT FOR ALL
D. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install partition 162DW (Ref. AMM TASK 25-55-12-400-001).
   (3) Set CARGO COMPT LIGHT switch 8LU to OFF.
   (4) Close the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002) or (Ref. AMM TASK 52-30-00-860-003).
   (5) Close access door 172AR of the waste water service-panel.
   (6) Remove the access platform(s).
Subtask 30-72-52-862-051-A ** ON A/C NOT FOR ALL
E. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 00:32:26 UTC
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