Installation of the Cartridge Assembly

TASK 38-12-41-400-008-A
Installation of the Cartridge Assembly

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	PLUG - BLANKING
No specific	Torque wrench: range to between 9 and 8 lbf.in (0.10 and 0.09 m.daN )
No specific	Torque wrench: range to between 102 and 76 lbf.in (1.15 and 0.86 m.daN )
29W350961	1	TOOL-REMOVAL INSTALLATION,WATER FAUCET

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03PEB1)	Lubricant-Rubber seal Glycerin -
(Material No.11AKG9)	Disinfectant-Potable Water System - Legacy

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
3	PACKINGS	AIPC 38-12-41-05-065
7	PACKINGS	AIPC 38-12-41-05-075

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 38-12-41-400-002-A	Installation of the Self-Closing Element
Cartridge

3. Job Set-up
Subtask 38-12-41-860-065-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the potable water-shutoff valve in the lavatory is closed.

4. Procedure
Subtask 38-12-41-420-057-C ** ON A/C NOT FOR ALL

A. Installation of the Cartridge Assembly
(1) Remove the PLUG - BLANKING from the housing of the cartridge assembly (6).
(2) Clean the component interfaces and the adjacent area.
(3) Do a visual inspection of the component interfaces and the adjacent area.
(4) Clean the new AIPC 38-12-41-05-075 PACKINGS (7) and the cartridge assembly (6) with Disinfectant-Potable Water System - Legacy (Material No.11AKG9) :
(a) Spray disinfectant from a maximum distance of 10 cm.
(b) Make sure that the disinfectant stays on the surfaces for a minimum of five minutes.
(c) Install the components while they are wet with disinfectant.
(5) Apply a thin layer of Lubricant-Rubber seal Glycerin - (Material No.03PEB1) to the packings (7).
(6) Install the packings (7) on the outer grooves of the cartridge assembly (6).
(7) Put the cartridge assembly (6) in its correct installation position.
(8) Install the washer (5) on the cartridge assembly (6).
(9) Install the winding ring (4) with the 29W350961 TOOL-REMOVAL INSTALLATION,WATER FAUCET.
(10) TORQUE the winding ring (4) to between 102 and 76 lbf.in (1.15 and 0.86 m.daN )

.
(11) Apply a thin layer of Lubricant-Rubber seal Glycerin - (Material No.03PEB1) to the new AIPC 38-12-41-05-065 PACKINGS (3).
(12) Install the packings (3) on the inner grooves of the cap assembly (1).
(13) Install the setscrews (2) on the cap assembly (1).
(14) Install the cap assembly (1) on the cartridge assembly (6).
(15) TORQUE the setscrews (2) to between 9 and 8 lbf.in (0.10 and 0.09 m.daN )

.
(16) Install the self-closing element (Ref. AMM TASK 38-12-41-400-002).

5. Close-up
Subtask 38-12-41-410-062-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the lavatory door.

Subtask 38-12-41-862-057-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.02 06:25:41 UTC