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

TASK 30-72-52-400-001-A
Installation of the Heated Fill/Drain Nipple and/or Overflow 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.

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	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
161DW, 171AL

D. Referenced Information

REFERENCE	DESIGNATION
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 25-55-12-400-001-A	Installation of the Aft Cargo-Compartment Partition at FR65
TASK 30-72-11-400-001-A	Installation of the Thermostat
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Fill/Drain Nipple 11DV / Overflow Nipple 13DV ** ON A/C NOT FOR ALL
Fill/Drain Nipple 11DV ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 30-72-52-860-051-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 a WARNING NOTICE is in position to tell persons not to fill or flush the potable water system.

Subtask 30-72-52-865-063-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	POT/WASTE WIP-SVCE-PNL	15DV	D01
** ON A/C NOT FOR ALL
2001VU	POT WIP-SVCE-PNL	15DV	D01

4. Procedure
Subtask 30-72-52-140-050-A

A. Preparation for installation
(1) Remove the used 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 Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Do an inspection of the component interfaces and the adjacent area.

Subtask 30-72-52-420-050-A ** ON A/C NOT FOR ALL

B. Installation of the FILL/DRAIN NIPPLE (11DV) and/or OVERFLOW NIPPLE (13DV)

NOTE: The operational temperature of the heater nipples:
- the heater will come on at 6.0 +1 -1 deg. C (42.80 +1.80 -1.80 deg. F)
- and switch off at 13.0 +1 -1 deg. C (55.40 +1.80 -1.80 deg. F).
- The overheat protection tempoerature (micro fuse) for the heater nipples:
- will switch off at 110.0 deg. C (230.0 deg. F)

(1) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (8).
(2) Put the fill/drain nipple (9) and/or overflow nipple (10) and the related insulation plate (5), (11) in position.
(3) Install the fill/drain nipple (9) and/or the overflow nipple (10) with the screws (8), the washers (3) and the nuts (2).

NOTE: The screws (6) and the related washers and nuts are installed during the installation procedure of the thermostat (4).

(4) Remove the blanking plugs from the disconnected line ends.
(5) Install the potable water pipe (1) to the fill/drain nipple (9) and/or overflow nipple (10).
(6) Connect the electrical contacts with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15570-20.
(7) Attach the electrical harness with the TIE WRAP(S).
(8) Install the thermostat 12DV and/or 14DV (4) (Ref. AMM TASK 30-72-11-400-001).

Subtask 30-72-52-914-050-A ** ON A/C NOT FOR ALL

C. Application of Sealant
(1) Apply Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) around the fill/drain nipple (9) and/or overflow nipple (10).
(2) Make the sealant around the fill/drain nipple (9) and/or overflow nipple (10) smooth.
(3) Let the sealant cure.
(4) Apply Coating_- Flexible Structure (Material No.04QAB2) to the sealant around the fill/drain nipple (9) and/or overflow nipple (10).

Subtask 30-72-52-420-050-B ** ON A/C NOT FOR ALL

D. Installation of the FILL/DRAIN NIPPLE (11DV)

(1) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (8).
(2) Put the fill/drain nipple (9) and the insulation plate (5) in position.
(3) Install the fill/drain nipple (9) with the screws (8), the washers (3) and the nuts (2).

NOTE: The screws (6) and the related washers and nuts are installed during the installation procedure of the thermostat (4).

(4) Remove the blanking plugs from the disconnected line ends.
(5) Install the potable water pipe (1) to the fill/drain nipple (9).
(6) Connect the electrical contacts with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15570-20.
(7) Attach the electrical harness with the TIE WRAP(S).
(8) Install the thermostat 12DV (4) (Ref. AMM TASK 30-72-11-400-001).

Subtask 30-72-52-914-050-B ** ON A/C NOT FOR ALL

E. Application of Sealant
(1) Apply Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) around the fill/drain nipple (9).
(2) Make the sealant around the fill/drain nipple (9) smooth.
(3) Let the sealant cure.
(4) Apply Coating_- Flexible Structure (Material No.04QAB2) to the sealant around the fill/drain nipple (9).

5. Close-up
Subtask 30-72-52-861-050-A

A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).

Subtask 30-72-52-865-062-A

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	POT/WASTE WIP-SVCE-PNL	15DV	D01
** ON A/C NOT FOR ALL
2001VU	POT WIP-SVCE-PNL	15DV	D01

Subtask 30-72-52-720-050-A ** ON A/C NOT FOR ALL

C. Test

NOTE: Use a SPRAY - COOLING for this test.

(1) Do this test.

ACTION	RESULT
1.At the potable water service-panel:	At the potable water service-panel:
Apply cooling spray on and around the housing of the thermostat 12DV (14DV).	Examine that the fill/drain nipple 11DV (overflow nipple 13DV) becomes warm.

Subtask 30-72-52-720-050-B ** ON A/C NOT FOR ALL

C. Test

NOTE: Use a SPRAY - COOLING for this test.

(1) Do this test.

ACTION	RESULT
1.At the potable water service-panel:	At the potable water service-panel:
Apply cooling spray on and around the housing of the thermostat 12DV.	Examine that the fill/drain nipple 11DV becomes warm.

Subtask 30-72-52-410-050-A

D. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the partition 161DW (Ref. AMM TASK 25-55-12-400-001).
(3) Set the CARGO COMP LT switch 8LU to OFF.
(4) Close the AFT cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).
(5) Close the potable water service-panel 171AL.
(6) Remove the access platform.

Subtask 30-72-52-862-050-A

E. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 00:32:25 UTC