Installation of Lavatory A

TASK 25-41-41-400-001-A
Installation of Lavatory A

WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THIS EQUIPMENT. THIS EQUIPMENT IS HEAVY (MORE THAN 12 KG (26.5 lb)) AND CAN CAUSE INJURY AND/OR DAMAGE.

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

ZONE: 200
FIN: 5050MM ** ON A/C NOT FOR ALL
FIN: 5070MM ** ON A/C NOT FOR ALL
FIN: 5101MM ** ON A/C NOT FOR ALL

1. Reason for the Job
Self Explanatory

NOTE: More than one person is necessary for this procedure.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)
No specific	1	ELEC CONTACTS INSERTION EXTRACTION TOOL M15.570-16
No specific	AR	SCRAPER - NON METALLIC
No specific	1	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.28 and 0.22 m.daN (24.78 and 19.47 lbf.in )
No specific	Torque wrench: range to between 0.40 and 0.32 m.daN (35.40 and 28.32 lbf.in )
No specific	Torque wrench: range to between 0.42 and 0.37 m.daN (37.17 and 32.74 lbf.in )
No specific	Torque wrench: range to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )
No specific	Torque wrench: range to between 0.55 and 0.45 m.daN (48.67 and 39.82 lbf.in )
No specific	Torque wrench: range to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft )
No specific	Torque wrench: range to between 6.19 and 5.61 m.daN (45.65 and 41.37 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03FBB1)	Mineral Oil base Grease-General Purpose Medium Temp. -
(Material No.03GBB1)	Synthetic Oil base Grease-General Purpose Clay Thickened -
(Material No.05RDA1)	Adhesive Film Tape-Masking - -
(Material No.06AAB1)	Polysulfide Sealant-General Purpose Fillet -
(Material No.06AEA1)	Polysulfide Sealant-Low Adhesion Brushable -
(Material No.06BQD1)	Silicone Sealant-Non Textile Floor Jointing One part -
(Material No.06CMD9)	Silicone Adhesive Sealant-General Purpose One part legacy
(Material No.06LCG9)	Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.08BBD1)	Non Aqueous Cleaner-- Isopropyl Alcohol -
(Material No.08BBF1)	Non Aqueous Cleaner_- Methyl-Ethyl-Ketone -
(Material No.12ACB1)	Corrosion Preventive Compound-Heavy Duty Hard Film -
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(Material No.14SBA1)	Textile-Lint free Cotton -
No specific	CABLE TIES
No specific	tie-wraps

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE
812

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	PACKINGS	AIPC 12-34-56-78-90
2	PACKINGS	AIPC 25-33-33-94-851
6	PACKINGS	AIPC 25-41-01-11-180
6	PACKING	AIPC 25-41-01-12-180
2	PACKINGS	AIPC 25-41-01-13-180
6	PACKING	AIPC 25-41-01-13-180
6	PACKING	AIPC 25-41-01-14-180
6	PACKING	AIPC 25-41-01-15-180
2	PACKINGS	AIPC 25-41-49-50-040
8	O-RINGS	AIPC 38-31-01-47-080

E. Referenced Information

REFERENCE	DESIGNATION
TASK 11-00-00-400-007-A	Installation of the ESSO (Scotchcal Labels)
TASK 12-24-38-680-001-A	Draining of the Potable Water System (with Electrical Power)
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 21-21-00-710-002-A	Operational Test of the Individual Air Outlet
TASK 21-23-00-720-002-A	Functional Test of an Air Extraction Point
TASK 23-73-00-710-003-A	Operational Test of the Cabin and Flight Crew Interphone System
TASK 23-73-00-710-005-A	Operational Test of the Passenger Address (PA) system
TASK 23-73-00-710-007-A	Operational Test of the Passenger Call System
TASK 23-73-00-710-017-A	Operational Test of the Cabin Signs
TASK 23-73-00-710-022-A	Operational Test of the Passenger Address (PA) system
TASK 23-73-00-710-024-A	Operational Test of the Passenger Call System
TASK 23-73-00-740-005-A	BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
TASK 23-73-00-740-005-B	Interface and Power-Up Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
TASK 23-73-12-000-002-A	Removal of the Forward Attendant Panel
TASK 23-73-12-000-007-A	Removal of the Flight Attendant Panel
TASK 23-73-12-400-002-A	Installation of the Forward Attendant Panel
TASK 23-73-12-400-007-A	Installation of the Flight Attendant Panel
TASK 23-73-18-000-001-A	Removal of the Programming and Test Panel
TASK 23-73-18-400-001-A	Installation of the Programming and Test Panel
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 25-20-00-350-003-A	Repair of the Non-Textile Floor Covering (NTF)
TASK 25-22-41-000-001-A	Removal of the Wall-Mounted Cabin-Attendant Seats
TASK 25-22-41-400-001-A	Installation of the Wall-Mounted Cabin-Attendant Seats
TASK 25-23-42-000-001-A	Removal of the Ceiling Panels - Forward Utility Area
TASK 25-23-42-400-001-A	Installation of the Ceiling Panels - Forward Utility Area
TASK 25-23-45-000-005-A	Removal of the Door Frame Linings from the Left Forward Passenger/Crew Door
TASK 25-23-45-400-006-A	Installation of the Door Frame Linings on the Left Forward Passenger/Crew Door
TASK 25-28-42-000-001-A	Removal of the Non-Textile Floor Covering (NTF)
TASK 25-28-42-400-001-A	Installation of the Non-Textile Floor Covering (NTF)
TASK 25-45-19-000-001-A	Removal of the Lavatory Door
TASK 25-45-19-400-001-A	Installation of the Lavatory Door
TASK 25-45-22-000-001-A	Removal of the Toilet Shroud and the Seat
TASK 25-45-22-400-001-A	Installation of the Toilet Shroud and the Seat
TASK 26-17-00-710-001-A	Operational Test of the Lavatory Smoke-Detection System
TASK 26-17-15-000-001-A	Removal of the Lavatory Smoke Detector
TASK 26-17-15-400-001-A	Installation of the Lavatory Smoke Detector
TASK 33-24-00-710-001-A	Operational Test of the Lavatory Lighting LQ
TASK 33-26-00-710-001-A	Operational Test of the Lavatory Lighted Signs WJ
TASK 33-27-00-710-001-A	Operational Test of the Cabin Attendant Work-Light
TASK 33-51-00-710-007-A	Operational Test of the Emergency Lighting in the Cabin with the 'LIGHT EMER' Pushbutton Switch
TASK 35-21-41-000-001-A	Removal of the Emergency Oxygen Containers
TASK 35-21-41-400-001-A	Installation of the Emergency Oxygen Containers
TASK 35-23-00-710-001-A	Operational Check of Manual Mask Release
TASK 35-23-00-710-002-A	Operational Test of the Manual Release Mechanism for the Passenger Emergency Oxygen-System Masks
TASK 38-10-00-614-002-A	Depressurization of the Potable Water System
TASK 38-12-00-710-002-A	Operational Test of the Potable Water-Distribution System (with a Ground Air-Supply Cart)
TASK 38-12-00-710-004-A	Operational Test of a Potable Water Heater
TASK 38-13-00-710-001-A	Operational Test of the Quantity Indicating System
TASK 38-30-00-010-002-A	Removal of the Toilet Drain Lines
TASK 38-30-00-410-002-A	Installation of the Toilet Drain Lines
TASK 38-31-00-710-009-A	Operational Test of the Toilet Unit
TASK 38-31-41-000-001-A	Removal of a Toilet Assembly
TASK 38-31-41-400-001-A	Installation of a Toilet Assembly
TASK 38-32-00-710-002-A	Operational Test of the Waste/Water Drain System
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
TASK 52-41-00-410-002-A	Close the Avionics Compartment Doors after Access
TASK 52-51-00-710-002-A	Operational Test of the Cockpit-Door Locking System (CDLS)
TASK 52-51-00-710-003-A	Operational Test of the Emergency Access
TASK 52-51-11-000-001-A	Removal of the Cockpit Door
TASK 52-51-11-400-001-A	Installation of the Cockpit Door
ESPM 2033000
ESPM 2056410
AWM 525102
TASK 11-00-00-00	PLACARDS AND MARKINGS - DESCRIPTION AND OPERATION
Lavatory Subassemblies ** ON A/C NOT FOR ALL
Lavatory Subassemblies ** ON A/C NOT FOR ALL
Upper and Lower Attachments ** ON A/C NOT FOR ALL
Upper and Lower Attachments ** ON A/C NOT FOR ALL
Door Sill
Upper and Lower Attachments ** ON A/C NOT FOR ALL
Ceiling Supports
Water Connections ** ON A/C NOT FOR ALL
Water Connections ** ON A/C NOT FOR ALL
Hose and Tube Connections ** ON A/C NOT FOR ALL
Water Connections ** ON A/C NOT FOR ALL
Air Connections
Electrical Connections ** ON A/C NOT FOR ALL
Electrical Connections ** ON A/C NOT FOR ALL
Electrical Connections ** ON A/C NOT FOR ALL
Electrical Connections ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-41-41-860-051-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 potable water system is drained (Ref. AMM TASK 12-24-38-680-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the lateral avionics compartment.
(4) Make sure that the WARNING NOTICE(S) is in position to tell persons not to do the servicing of the potable water system.
(5) Make sure that the lateral avionics-compartment access-door 812 is open.
(6) Make sure that the wall-mounted cabin-attendant seat is removed (Ref. AMM TASK 25-22-41-000-001).
(7) Make sure that the programming and test panel is removed (Ref. AMM TASK 23-73-18-000-001).
(8) Make sure that the Forward Attendant Panel (FAP) is removed (Ref. AMM TASK 23-73-12-000-002).
(9) Make sure that the forward passenger/crew door-frame linings are removed (Ref. AMM TASK 25-23-45-000-005).
(10) Make sure that the cockpit door is removed (Ref. AMM TASK 52-51-11-000-001).
(11) Make sure that the lavatory door is removed (Ref. AMM TASK 25-45-19-000-001).
(12) Make sure that the forward utility-area ceiling-panels are removed (Ref. AMM TASK 25-23-42-000-001).
(13) Make sure that the emergency oxygen container 29WR is removed (Ref. AMM TASK 35-21-41-000-001).
(14) Make sure that the lavatory smoke detector is removed (Ref. AMM TASK 26-17-15-000-001).
(15) Make sure that the toilet assembly is removed (Ref. AMM TASK 38-31-41-000-001).
(16) Make sure that the toilet drain-line behind the lavatory is removed (Ref. AMM TASK 38-30-00-010-002).
(17) Make sure that the toilet shroud is removed (Ref. AMM TASK 25-45-22-000-001).

Subtask 25-41-41-860-051-D ** 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 potable water system is drained (Ref. AMM TASK 12-24-38-680-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the lateral avionics compartment.
(4) Make sure that the WARNING NOTICE(S) is in position to tell persons not to do the servicing of the potable water system.
(5) Make sure that the lateral avionics-compartment access-door 812 is open.
(6) Make sure that the wall-mounted cabin-attendant seat is removed (Ref. AMM TASK 25-22-41-000-001).
(7) Make sure that the Flight Attendant Panel (FAP) is removed (Ref. AMM TASK 23-73-12-000-007).
(8) Make sure that the lavatory smoke detector is removed (Ref. AMM TASK 26-17-15-000-001).
(9) Make sure that the FWD passenger/crew door-frame linings are removed (Ref. AMM TASK 25-23-45-000-005).
(10) Make sure that the cockpit door is removed (Ref. AMM TASK 52-51-11-000-001).
(11) Make sure that the lavatory door is removed (Ref. AMM TASK 25-45-19-000-001).
(12) Make sure that the forward utility-area ceiling-panels are removed (Ref. AMM TASK 25-23-42-000-001).
(13) Make sure that the emergency oxygen container 29WR is removed (Ref. AMM TASK 35-21-41-000-001).
(14) Make sure that the toilet assembly is removed (Ref. AMM TASK 38-31-41-000-001).
(15) Make sure that the toilet drain-line behind the lavatory is removed (Ref. AMM TASK 38-30-00-010-002).
(16) Make sure that the toilet shroud is removed (Ref. AMM TASK 25-45-22-000-001).

Subtask 25-41-41-860-051-G ** 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).

WARNING: MAKE SURE THAT THE POTABLE WATER SYSTEM IS DEPRESSURIZED. A PRESSURIZED SYSTEM CAN CAUSE INJURY TO PERSONS WHEN THEY DO WORK ON IT.

(2) Make sure that the potable water system is depressurized (Ref. AMM TASK 38-10-00-614-002).
(3) Make sure that the potable water system is drained (Ref. AMM TASK 12-24-38-680-001).
(4) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to do the servicing of the potable water system.
(5) Make sure that lateral avionics-compartment access-door 812 is open (Ref. AMM TASK 52-41-00-010-002).
(6) Make sure that the wall-mounted cabin-attendant seat(s)(CAS) is (are) removed (Ref. AMM TASK 25-22-41-000-001)
(7) Make sure that the Flight Attendant Panel (FAP) is removed (Ref. AMM TASK 23-73-12-000-007).
(8) Make sure that the lavatory smoke detector is removed (Ref. AMM TASK 26-17-15-000-001).
(9) Make sure that the forward passenger/crew door-frame linings are removed (Ref. AMM TASK 25-23-45-000-005).
(10) Make sure that the cockpit door is removed (Ref. AMM TASK 52-51-11-000-001).
(11) Make sure that the lavatory door is removed (Ref. AMM TASK 25-45-19-000-001).
(12) Make sure that the forward utility-area ceiling-panels are removed (Ref. AMM TASK 25-23-42-000-001).
(13) Make sure that emergency oxygen container 29WR is removed (Ref. AMM TASK 35-21-41-000-001).
(14) Make sure that the toilet assembly is removed (Ref. AMM TASK 38-31-41-000-001).
(15) Make sure that the toilet drain line behind the lavatory is removed (Ref. AMM TASK 38-30-00-010-002).
(16) Make sure that the toilet shroud is removed (Ref. AMM TASK 25-45-22-000-001).

Subtask 25-41-41-860-055-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) If necessary, examine the Non-Textile Floor covering (NTF) as follows:
(a) If the condition of the NTF is not satisfactory, repair it (Ref. AMM TASK 25-20-00-350-003).
(b) If you cannot repair the NTF, replace it (Ref. AMM TASK 25-28-42-000-001) and (Ref. AMM TASK 25-28-42-400-001).

Subtask 25-41-41-865-051-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M09
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M10
** ON A/C NOT FOR ALL
122VU	AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL	5HU	U21
122VU	AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY	6HU	U19
** ON A/C NOT FOR ALL
2000VU	POT/WASTE WIP-HEATER-LINE	1DW	A02
2000VU	POT/WASTE WIP-HEATER-CTL	2DW	A01
2000VU	LAV FWD-OCCUPIED	1WJ	F01
** ON A/C NOT FOR ALL
2000VU	LAV FWD & MID-HOT WATER-A	1MB	F02
** ON A/C NOT FOR ALL
2000VU	LIGHT-LAV	1LQ	J01
** ON A/C NOT FOR ALL
2000VU	WATER SYSTEM-QANT-IND	1MA	B01
** ON A/C NOT FOR ALL
2000VU	POT WIP-HEATER-LINE	1DW	A02
2000VU	POT WIP-HEATER-CTL	2DW	A01
2000VU	LAV FWD & MID-OCCUPIED	1WJ	F01
** ON A/C NOT FOR ALL
2000VU	PRAM	2RX	E01
** ON A/C NOT FOR ALL
2000VU	LAV FWD-HOT WATER-A	1MB	F02
** ON A/C NOT FOR ALL
2001VU	WATER SYS-QUANT-IND	1MA	B06
** ON A/C NOT FOR ALL
2001VU	WATER SYS-AIR-COMPRESSOR	19MD	F01
** ON A/C NOT FOR ALL
2001VU	POT/WASTE WIP-HEATER-CTL	32DW	D02
** ON A/C NOT FOR ALL
2001VU	LAV SHAVER SOCKET	1MT	B01
** ON A/C NOT FOR ALL
2001VU	POT/WASTE WIP HEATER CTL	32DW	D02

4. Procedure
Subtask 25-41-41-210-051-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) If necessary, remove the safety barrier(s).
(2) Remove the remaining sealant as follows:
(a) Clean the component interfaces and the adjacent area.
(b) If necessary, remove the remaining sealant from the floor panel and the attached components with the SCRAPER - NON METALLIC.
(c) If necessary, use Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) , Non Aqueous Cleaner_- Methyl-Ethyl-Ketone - (Material No.08BBF1) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Make sure that the parts retained from the removed component are clean and in the correct condition.
(5) Make sure that the placards of the retained/new components are in the correct position and in good condition.
(a) If necessary, install the new placards:

(6) Prepare the bonding (Ref. AMM TASK 20-28-00-912-802).

Subtask 25-41-41-420-063-A ** ON A/C NOT FOR ALL

B. Assembly of the Lavatory Module

Lavatory Subassemblies ** ON A/C NOT FOR ALL

(1) In the forward utility area of the aircraft:
(a) Put the lavatory walls (1) and (2) together and install the washers (3) and the screws (4).
(b) Install the washers (5) and the screws (6).
(c) Install the screw (7) and the cap (8).
(d) Put the lavatory assembly in position on the floor pan (9).
(e) Install the washers (11), the screws (10) and the screws (12).
(f) Apply a bead of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the edges of the floor pan (9).
(2) Connect the electrical connections:
(a) Connect the wires of the electrical harness (13) to the terminal 7330VT with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15.570-16, ESPM 2056410.

Subtask 25-41-41-420-063-B ** ON A/C NOT FOR ALL

B. Assembly of the Lavatory Module

Lavatory Subassemblies ** ON A/C NOT FOR ALL

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) In the forward utility area of the aircraft:
(a) Put the lavatory assemblies (5) and (3) together and install the washers (11) and the screws (12).
(b) Tighten the screws (12).
(c) Install the washers (2) and the screws (1).
(d) Tighten the screws (1).
(e) If removed, install the washer (19).
(f) Install the screw (18).
(g) Tighten the screw (18).
(h) Install the cap (17).
(i) Put the lavatory assemblies (5) and (3) in position on the floor pan (10).
(j) Put the washers (8) and (7) in position and install the screws (9) and (6).
(k) Tighten the screws (9) and (6).
(l) Apply a bead of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the edges of the floor pan (10).
(3) Connect the electrical connections as follows:
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Remove the tape Adhesive Film Tape-Masking - - (Material No.05RDA1) that attaches the electrical harness (4) to the aircraft structure.
(c) Install the electrical harness (4) on the lavatory structure (Ref. ESPM 2056410).
(d) Put the bracket (14) in position and install the washers (16) and the screws (15).
(e) Tighten the screws (15).
(f) Put the electrical harness (4) in position on each mount (21) and install new CABLE TIES (20).
(g) Connect the electrical connector (13).

Subtask 25-41-41-420-064-A ** ON A/C NOT FOR ALL

C. Installation of the Lavatory

Upper and Lower Attachments ** ON A/C NOT FOR ALL

(1) Preparation for installation:
(a) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) to the bush (5) and the new

(b) Apply the Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) to the bolts (1) and (7).
(2) Install the lavatory assembly:
(a) Put the lavatory assembly in position and install the bushes (3) and (2) and the bolts (1).
(b) TORQUE the bolts (1) to between 0.55 and 0.45 m.daN (48.67 and 39.82 lbf.in )

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

(c) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the bolts (1).
(d) Install the covers (4).
(e) In the cockpit:

put the plate (12) in position and install the screws (13).
put the container (11) in position and lock the fasteners (10).
Make sure that the work area is clean and clear of tools and other items.
close the flap (9).

(f) In the lateral avionics compartment LH at FR16:

install the washer (8) and the bolt (7).

(g) TORQUE the bolt (7) to between 0.55 and 0.45 m.daN (48.67 and 39.82 lbf.in )

.
(h) Put the sealing angle (14) in position and install the washers (16) and the screws (15).
(i) Apply a bead of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the edges of the sealing angle (14).
(j) Put the tie rods (19) in position and install the quick release pins (17).
(k) If necessary adjust the tie rods:

Remove and discard the lockwire and loosen the locknuts (18).
Adjust the tie rod (19) until you can install the quick release pins (17).
Make sure that the rod ends are in safety.
Tighten the locknuts (18) and safety them with stainless steel lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

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

(3) Install the door sill:

Door Sill ** ON A/C NOT FOR ALL

.
(e) Apply the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the floor pan inside the lavatory and around the door sill.
(4) Install the toilet drain-line behind the lavatory (Ref. AMM TASK 38-30-00-410-002).

Subtask 25-41-41-420-064-D ** ON A/C NOT FOR ALL

C. Installation of the Lavatory

Upper and Lower Attachments ** ON A/C NOT FOR ALL

(1) Preparation for installation:
(a) Apply Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) to the bushes (1) and the new AIPC 25-41-01-13-180 PACKINGS (2) and put them in position.
(b) Apply the Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) to the bolts (5) and (7).
(2) Install the lavatory assembly:
(a) Put the lavatory assembly in position and install the bushes (3) and (4) and the bolts (5).
(b) Tighten the bolts (5).

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

(c) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the bolts (5).
(d) In the lateral avionics compartment LH at FR16 install the washer (6) and the bolt (7).
(e) Tighten the bolt (7).
(f) Put the angle plate (10) in position and install the washers (9) and the screws (8).
(g) Apply a bead of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the edges of the angle plate (10).
(3) Install the upper attachment:
(a) Put the tie rods (13) in position and install the quick-release pins (14).
(b) If necessary, adjust the tie rods (13).
(c) Remove and discard the lockwire and loosen the locknuts (12).
(d) Adjust the tie rods (13) until you can install the quick-release pins (14).
(e) Make sure that the rod ends (11) are in safety.
(f) Tighten the locknuts (12) and safety them with stainless steel lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(4) Install the door sill:

Door Sill ** ON A/C NOT FOR ALL

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

(a) Apply Silicone Sealant-Non Textile Floor Jointing One part - (Material No.06BQD1) in the area of the door sill.
(b) Apply the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (2).
(c) Put the door sill (1) in position and install the screws (2).
(d) Apply the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the floor pan inside the lavatory and around the door sill.
(e) Tighten the screws (2).

Subtask 25-41-41-420-064-E ** ON A/C NOT FOR ALL

C. Installation of the Lavatory

Upper and Lower Attachments ** ON A/C NOT FOR ALL

(1) Preparation for installation:
(a) Apply Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) to the bushes (1) and the new <IPC Ref TBD packings> AIPC 12-34-56-78-90 PACKINGS (2) and put them in position.
(b) Apply the Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) to the bolts (5) and (7).
(2) Install the lavatory assembly:
(a) Put the lavatory assembly in position and install the bushes (3) and (4) and the bolts (5).
(b) Tighten the bolts (5).

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

(c) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the bolts (5).
(d) In the lateral avionics compartment LH at FR16:

install the washer (6) and the bolt (7).

(e) Tighten the bolt (7).
(f) Put the angle plate (10) in position and install the washers (9) and the screws (8).
(g) Apply a bed of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the edges of the angle plate (10).
(3) Install the upper attachment:
(a) Put the tie rods (13) in position and install the quick-release pins (14).
(b) If necessary adjust the tie rods:

Remove and discard the lockwire and loosen the locknuts (12).
Adjust the tie rods (13) until you can install the quick-release pins (14).
Make sure that the rod ends (11) are in safety.
Tighten the locknuts (12) and safety them with stainless steel lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

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

(4) Install the door sill:

Door Sill ** ON A/C NOT FOR ALL

(a) Apply Silicone Sealant-Non Textile Floor Jointing One part - (Material No.06BQD1) in the area of the door sill.
(b) Apply the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (2).
(c) Put the door sill (1) in position and install the screws (2).
(d) Apply the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (2).
(e) Tighten the screws (2).
(f) Apply the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the floor pan inside the lavatory and around the door sill.

Subtask 25-41-41-420-064-A0 ** ON A/C NOT FOR ALL

C. Installation of the Lavatory

Upper and Lower Attachments ** ON A/C NOT FOR ALL

(1) Preparation for installation:
(a) Apply Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) to the bushes (1) and the new AIPC 25-41-49-50-040 PACKINGS (2) and put them in position.
(b) Apply the Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) to the bolts (5) and (7).
(2) Install the lower attachment:
(a) Put the lavatory assembly in position and install the bushes (3) and (4) and the bolts (5).
(b) Tighten the bolts (5).

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

(c) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the bolts (5).
(d) In the lateral avionics compartment LH at FR16 install the washer (6) and the bolt (7).
(e) Tighten the bolt (7).
(f) Put the angle plate (10) in position and install the washers (9) and the screws (8).
(g) Apply a bed of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the edges of the angle plate (10).
(3) Install the upper attachment:
(a) Put the tie rods (13) in position and install the quick-release pins (14).
(b) If necessary, adjust the tie rods (13).
(c) Remove and discard the lockwire and loosen the locknuts (12).
(d) Adjust the tie rods (13) until you can install the quick-release pins (14).
(e) Make sure that the rod ends (11) are in safety.
(f) Tighten the locknuts (12) and safety them with stainless steel lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(4) Install the door sill:

Door Sill ** ON A/C NOT FOR ALL

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

Subtask 25-41-41-420-064-BK ** ON A/C NOT FOR ALL

C. Installation of the Lavatory Module
(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Install the lower attachments as follows:

Upper and Lower Attachments ** ON A/C NOT FOR ALL

(a) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) to the bushes (1) and the new <IPC Ref TBD packings> AIPC 25-33-33-94-851 PACKINGS (2) and put them in position.
(b) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) to the bolts (5) and (7).
(c) Put the lavatory assembly in position and install the bushes (3) and (4) and the bolts (5).
(d) Tighten the bolts (5).

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

(e) Apply Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the bolts (5).
(f) In lateral avionics compartment LH at FR16, install the washer (6) and the bolt (7).
(g) Tighten the bolt (7).
(h) Put the angle plate (10) in position and install the washers (9) and the screws (8).
(i) Tighten the screws (8).
(j) Apply a bead of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) around the edges of the angle plate (10).
(3) Install the door sill (1) as follows:

Door Sill ** ON A/C NOT FOR ALL

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

(a) Apply Silicone Sealant-Non Textile Floor Jointing One part - (Material No.06BQD1) in the area of the door sill (1).
(b) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the screws (2).
(c) Put the door sill (1) in position and install the screws (2).
(d) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the floor pan in the inner part of the lavatory and around the door sill (1).
(e) TORQUE the screws (2) to between 0.40 and 0.32 m.daN (35.40 and 28.32 lbf.in )

.
(4) Install the upper attachment(s) as follows:

Upper and Lower Attachments ** ON A/C NOT FOR ALL

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Put the tie-rods (13) in position and install the quick-release pins (14).
(b) If necessary, adjust the tie-rods (13) as follows:

Cut and discard the lockwire and loosen the locknuts (12).
Adjust the tie-rods (13) until you can install the quick-release pins (14).
Make sure that the tie-rod ends (11) are safetied.
Tighten each locknut (12) and safety it with a new stainless steel lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

Subtask 25-41-41-410-065-A ** ON A/C NOT FOR ALL

D. Installation of the Ceiling Supports (if removed)

Ceiling Supports ** ON A/C NOT FOR ALL

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Put the support (3) in position and install the washers (10) and the bolts (9).
(3) Tighten the bolts (9).
(4) Put the supports (4) and (8) in position and install the bolts (1) and the nuts (2).
(5) Tighten the bolts (1).
(6) Carefully put the plate (7) in position and install the washers (6) and the screws (5).
(7) Tighten the screws (5).

Subtask 25-41-41-420-058-A ** ON A/C NOT FOR ALL

E. Installation of the Potable Water and Waste Water Lines

Water Connections ** ON A/C NOT FOR ALL

WARNING: DO NOT DO WORK ON THE TOILET WASTE SYSTEM AND THE POTABLE WATER SYSTEM AT THE SAME TIME. THIS WILL PREVENT CONTAMINATION OF THE POTABLE WATER SYSTEM. SUCH CONTAMINATION CAN BE DANGEROUS TO HEALTH.

WARNING: MAKE SURE THAT THE EQUIPMENT YOU USE FOR THIS PROCEDURE IS CLEAN AND APPROVED FOR THE POTABLE WATER SYSTEM. IF NOT IT CAN CAUSE CONTAMINATION OF THE POTABLE WATER SYSTEM.

WARNING: BEFORE YOU DO WORK ON THE POTABLE WATER SYSTEM, CLEAN YOUR HANDS WITH SOAP AND WATER. THIS WILL PREVENT INFECTION. (CONTAMINATION FROM TOILET WASTE IS DANGEROUS TO HEALTH).

(1) Connect the potable water connections:
(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Put the potable water tube (6) and the hose (10) in position and connect the nuts (5) to the fittings (4).
(c) TORQUE all the nuts (5) to between 6.19 and 5.61 m.daN (45.65 and 41.37 lbf.ft )

.
(d) Make sure that the hose (10) is not twisted.
(e) Put the bonding straps (7) in position and install the washer (9) and the nut (8) (Ref. AMM TASK 20-28-00-912-802).
(2) Connect the waste-water drain connection:
(a) When you connect/install the components, refer to the match marks made during the removal procedure.
(b) Remove the PLUG-BLANKING from each disconnected line end.
(c) Put the sleeve (3) and the clamp (2) in position on the drain tube (1).
(d) Make sure that the end of the sleeve (3) is aligned with the painted mark on the drain tube (1).
(e) Tighten the clamps (2).

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

(f) Apply Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) to the mating surface of the sleeve (3).

Subtask 25-41-41-420-058-B ** ON A/C NOT FOR ALL

E. Installation of the Water Connections

Water Connections ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THE EQUIPMENT YOU USE FOR THIS PROCEDURE IS CLEAN AND APPROVED FOR THE POTABLE WATER SYSTEM. IF NOT IT CAN CAUSE CONTAMINATION OF THE POTABLE WATER SYSTEM.

WARNING: BEFORE YOU DO WORK ON THE POTABLE WATER SYSTEM, CLEAN YOUR HANDS WITH SOAP AND WATER. THIS WILL PREVENT INFECTION. (CONTAMINATION FROM TOILET WASTE IS DANGEROUS TO HEALTH).

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Connect the potable water connections as follows:
(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Put the potable water hose (7) in position on the fittings (6) and tighten the nuts (1).
(c) Put the potable water tube (2) in position on the fitting (6) and tighten the nut (1).
(d) Make sure that the potable water hose (7) is not twisted.
(e) TORQUE the nuts (1) to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft )

.
(f) Put the bonding straps (3) in position and install the washer (5) and the nut (4). Do the bonding (Ref. AMM TASK 20-28-00-912-802).
(g) Tighten the nut (4).
(3) Connect the waste-water drain connection as follows:
(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Put the drain tube (9) in position and install the clamp (8).
(c) Tighten the clamp (8).

Subtask 25-41-41-420-058-E ** ON A/C NOT FOR ALL

E. Installation of the Water Connections

Hose and Tube Connections ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THE EQUIPMENT YOU USE FOR THIS PROCEDURE IS CLEAN AND APPROVED FOR THE POTABLE WATER SYSTEM. IF NOT IT CAN CAUSE CONTAMINATION OF THE POTABLE WATER SYSTEM.

WARNING: BEFORE YOU DO WORK ON THE POTABLE WATER SYSTEM, CLEAN YOUR HANDS WITH SOAP AND WATER. THIS WILL PREVENT INFECTION. (CONTAMINATION FROM TOILET WASTE IS DANGEROUS TO HEALTH).

(1) Connect the potable water connections:
(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Put the potable water tube (2) and the potable water hose (8) in position and connect the nuts (1) to the fittings (7).
(c) TORQUE all the nuts (1) to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft )

.
(d) Make sure that the potable water hose (8) is not twisted.
(e) Put the bonding straps (4) in position and install the washer (6) and the nut (5) (Ref. AMM TASK 20-28-00-912-802).
(2) Connect the waste-water drain connection:
(a) When you connect/install the components, refer to the match marks made during the removal procedure.
(b) Remove the PLUG-BLANKING from each disconnected line end.
(c) Put the drain tube (10) in position and install the clamp (9).
(d) Tighten the clamp (9).
(3) If necessary, put the insulation (3) in its correct position.

Subtask 25-41-41-420-058-H ** ON A/C NOT FOR ALL

E. Installation of the Water Connections

Water Connections ** ON A/C NOT FOR ALL

WARNING: DO NOT DO WORK ON THE WASTE WATER SYSTEM AND THE POTABLE WATER SYSTEM AT THE SAME TIME. THIS WILL PREVENT CONTAMINATION OF THE POTABLE WATER SYSTEM. SUCH CONTAMINATION CAN BE DANGEROUS TO HEALTH.

(1) Connect the vacuum waste connection as follows:

WARNING: ALWAYS USE RUBBER GLOVES WHEN YOU DO WORK:

ON THE TOILET WASTE SYSTEM, OR
ON PARTS THAT HAVE CONTAMINATION FROM THE WASTE SYSTEM.

WHEN YOU COMPLETE THE WORK PROCEDURE, CLEAN YOUR HANDS WITH SOAP AND WATER. THIS WILL PREVENT INFECTION (TOILET WASTE IS DANGEROUS FOR HEALTH).

(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Move the sleeves (10) in position on the vacuum waste hose (11).
(c) Apply Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) to new AIPC 38-31-01-47-080 O-RINGS (8).
(d) Install the O-rings (8) on the vacuum waste hose (11).
(e) Put the vacuum waste hose (11) in position on the vacuum waste tubes (7) and (12).
(f) Move the sleeves (10) over the O-rings (8) and install the clamps (9).
(2) Connect the potable water connection as follows:

WARNING: MAKE SURE THAT THE EQUIPMENT YOU USE FOR THIS PROCEDURE IS CLEAN AND APPROVED FOR THE POTABLE WATER SYSTEM. IF NOT IT CAN CAUSE CONTAMINATION OF THE POTABLE WATER SYSTEM.

WARNING: BEFORE YOU DO WORK ON THE POTABLE WATER SYSTEM, CLEAN YOUR HANDS WITH SOAP AND WATER. THIS WILL PREVENT INFECTION. (CONTAMINATION FROM TOILET WASTE IS DANGEROUS TO HEALTH).

WARNING: MAKE SURE THAT THE POTABLE WATER SYSTEM IS DEPRESSURIZED. A PRESSURIZED SYSTEM CAN CAUSE INJURY TO PERSONS WHEN THEY DO WORK ON IT.

(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Put the potable water hose (1) in position and connect the nut (2) to the tube (3).
(c) Make sure that the potable water hose (1) is not twisted.
(d) TORQUE the nut (2) to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft )

.
(3) Connect the waste-water drain connection as follows:

WARNING: ALWAYS USE RUBBER GLOVES WHEN YOU DO WORK:

ON THE WASTE WATER SYSTEM, OR
ON PARTS THAT HAVE CONTAMINATION FROM THE WASTE WATER SYSTEM.

WHEN YOU COMPLETE THE WORK PROCEDURE, CLEAN YOUR HANDS WITH SOAP AND WATER. THIS WILL PREVENT INFECTION (WASTE WATER IS DANGEROUS FOR HEALTH).

(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Connect the waste-water drain hose (4) to the waste-water drain tube (6).
(c) Put the clamp (5) in position on the waste-water drain hose (4) and the waste-water drain tube (6) and measure dimension A. Dimension A must be 5 mm (0.1969 in.).
(d) Tighten the clamp (5).
(4) Connect the bonding strap (15) as follows:
(a) Release the bonding strap (15) from the lavatory structure.
(b) Put the bonding strap (15) in position and install the washers (14), screw (13) and nut (16). Do the bonding (Ref. AMM TASK 20-28-00-912-802).
(c) Tighten the screw (13).

Subtask 25-41-41-420-062-C ** ON A/C NOT FOR ALL

F. Installation of the Air Connections

Air Connections ** ON A/C NOT FOR ALL

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Connect the ventilation hoses (6) and (7) as follows:
(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Put the clamp (8) in position and connect the ventilation hose (7) to the ventilation tube (4).
(c) Tighten the clamp (8).
(d) Put the clamp (5) in position and connect the ventilation hose (6) to the ventilation tube (4).
(e) Tighten the clamp (5).
(4) Above the lavatory ceiling, connect the air-extraction hose (2) as follows:
(a) Remove the PLUG-BLANKING from each disconnected line end.
(b) Put the clamp (1) in position and connect the air-extraction hose (2) to the tube assembly (3).
(c) Tighten the clamp (1).

Subtask 25-41-41-420-061-A ** ON A/C NOT FOR ALL

G. Connection of the Aircraft-Interface Electrical Connections

Electrical Connections ** ON A/C NOT FOR ALL

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Install the electrical harnesses (14) and (15) on the lavatory structure as follows: (Ref. ESPM 2033000)
(a) Remove the tape Adhesive Film Tape-Masking - - (Material No.05RDA1) that attaches the electrical harnesses (14) and (15) to the aircraft structure.
(b) Put the electrical harnesses (15) in position.
(c) If necessary, install the spacers (20) and the washers (21).
(d) Install the clamps (19), washers (22) and screws (23).
(e) Tighten the screws (23).
(f) If removed, install and tighten the screw (24).
(g) Put the electrical harness (14) in position and attach it with new CABLE TIES (29).
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Put the cable assembly (16) in position on each mount (18) and attach it with new CABLE TIES (17).
(6) Connect the cable assembly (16) to the flush switch (2).
(7) Open the sanitary-cabinet access door (3).
(8) Put the bracket (5) in position and install the washers (7) and the screws (6).
(9) Tighten the screws (6).
(10) Connect the electrical connector (4).
(11) If necessary, attach the cable assemblies (11) and (8) with new CABLE TIES (12).
(12) Put the cable assemblies (8) and (11) in position on each mount (13) and install new CABLE TIES (10).
(13) Close the sanitary-cabinet access door (3).
(14) On the lavatory outboard wall:
(a) If removed, connect the electrical connectors (27) and (28).
(b) Make sure that the work area is clean and clear of tools and other items.
(c) Install the access panel (9).

NOTE: Spring clips hold the panel in position.

(15) On the lavatory wall, connect the electrical connector (25).
(16) On the lavatory ceiling, connect the electrical connector (26).

Subtask 25-41-41-420-061-B ** ON A/C NOT FOR ALL

G. Connection of the Aircraft-Interface Electrical Connections

Electrical Connections ** ON A/C NOT FOR ALL

(1) Install the electrical harnesses on the lavatory structure ESPM 2033000:
(a) Put the electrical harnesses (8) and (9) in position and install the clamps (5), the spacers (4), the washers (6) and the screws (7).
(2) Connect the electrical Connectors (10) and (2).
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) On the lavatory rear wall:

Connect the electrical connector (10).

(d) In the lavatory, on the outboard wall:

Connect the electrical connector (2).
Make sure that the work area is clean and clear of tools and other items.
Install the access panel (1).

NOTE: Spring clips hold the panel in position.

(3) Connect the electrical harness of the cockpit door release-latches:

CAUTION: REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

(a) Attach the electrical harness (15) on the aircraft structure with tie-wraps (11) as necessary.
(b) Put the bonding connectors 8007VN and 8008VN in position and install the washers (12), the screws (13) and the nuts (3) (Ref. AMM TASK 20-28-00-912-802).
(c) Remove the CAP-BLANKING from each electrical connector and receptacle.
(d) Make sure that all the electrical connections are clean and in the correct condition.
(e) Connect the related electrical wires of the release latches 30MQ, 31MQ and 32MQ to the electrical connector (14) AWM 525102 and ESPM 2056410.
(f) Connect the electrical connector (14).

Subtask 25-41-41-420-061-L ** ON A/C NOT FOR ALL

G. Connection of the Aircraft-Interface Electrical Connections

Electrical Connections ** ON A/C NOT FOR ALL

(1) Install the electrical harnesses on the lavatory structure ESPM 2033000:
(a) Put the electrical harnesses (8) and (9) in position and install the clamps (5), the spacers (4), the washers (6) and the screws (7).
(2) Connect the electrical connectors 7200VC-A, 7420VC-A and 2791VC-A.
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) On the lavatory outboard wall:

Connect the electrical connectors 7200VC-A (2) and 7420VC-A (3).
Make sure that the work area is clean and clear of tools and other items.
Install the access panel (1).

NOTE: Spring clips hold the panel in position.

(d) On the lavatory wall:

Connect the electrical connector 2791VC-A (10).

Subtask 25-41-41-420-061-N ** ON A/C NOT FOR ALL

G. Connection of the Aircraft-Interface Electrical-Connections

Electrical Connections ** ON A/C NOT FOR ALL

.
(f) If removed, install the screw (24).
(g) TORQUE the screw (24) to between 0.28 and 0.22 m.daN (24.78 and 19.47 lbf.in )

.
(h) Put the electrical harness (14) in position and attach it with new CABLE TIES (29).
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Put the cable assembly (16) in position on each mount (18) and attach it with new CABLE TIES (17).
(6) Connect the cable assembly (16) to the flush switch (2).
(7) Open the sanitary-cabinet access door (3).
(8) Put the bracket (5) in position and install the washers (7) and the screws (6).
(9) Tighten the screws (6).
(10) Connect the electrical connector (4).
(11) If necessary, attach the cable assemblies (11) and (8) with new CABLE TIES (12).
(12) Put the cable assemblies (8) and (11) in position on each mount (13) and install new CABLE TIES (10).
(13) Close the sanitary-cabinet access door (3).
(14) On the lavatory outboard wall:
(a) If removed, connect the electrical connectors (27) and (28).
(b) Make sure that the work area is clean and clear of tools and other items.
(c) Install the access panel (9).

NOTE: Spring clips hold the access panel in position.

(15) On the lavatory wall, connect the electrical connector (25).
(16) On the lavatory ceiling, connect the electrical connector (26).

Subtask 25-41-41-420-061-S ** ON A/C NOT FOR ALL

G. Connection of the Aircraft-Interface Electrical Connections

Electrical Connections ** ON A/C NOT FOR ALL

(1) Install the electrical harnesses on the lavatory structure ESPM 2033000:
(a) Put the electrical harnesses (8) in position and install the clamps (5), the spacers (4), the washers (6) and the screws (7).
(b) Put the electrical (9) in position and attach it with tie-wraps (11).
(2) Connect the electrical connectors (2), (3) and (10).
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) On the lavatory outboard wall:

Connect the electrical connector (2).
Make sure that the work area is clean and clear of tools and other items.
Install the access panel (1).

NOTE: Spring clips hold the panel in position.

(d) On the lavatory wall:

Connect the electrical connector (10).

(e) On the lavatory ceiling:

Connect the electrical connector (3).

Subtask 25-41-41-410-064-A ** ON A/C NOT FOR ALL

H. Installation of the Cockpit Door and the Miscellaneous Lavatory Equipment
(1) Install the cockpit door (Ref. AMM TASK 52-51-11-400-001).
(2) Install the toilet assembly (Ref. AMM TASK 38-31-41-400-001).

NOTE: Do not install the toilet shroud at this time.

(3) Install the toilet drain-line behind the lavatory (Ref. AMM TASK 38-30-00-410-002).
(4) Install the lavatory door (Ref. AMM TASK 25-45-19-400-001).
(5) Install the emergency oxygen container (Ref. AMM TASK 35-21-41-400-001).
(6) Install the lavatory smoke detector (Ref. AMM TASK 26-17-15-400-001).
(7) Install the FAP (Ref. AMM TASK 23-73-12-400-002).
(8) Install the programming and test panel (Ref. AMM TASK 23-73-18-400-001).

Subtask 25-41-41-410-064-C ** ON A/C NOT FOR ALL

NOTE: Do not install the toilet shroud at this time.

Subtask 25-41-41-410-064-R ** ON A/C NOT FOR ALL

H. Installation of the Cockpit Door and the Miscellaneous Lavatory Equipment
(1) Install the toilet drain line behind the lavatory (Ref. AMM TASK 38-30-00-410-002).
(2) Install the toilet assembly (Ref. AMM TASK 38-31-41-400-001).
(3) Do not install the toilet shroud at this time.
(4) Install the lavatory door (Ref. AMM TASK 25-45-19-400-001).
(5) Install the cockpit door (Ref. AMM TASK 52-51-11-400-001).
(6) Install emergency oxygen container 29WR (Ref. AMM TASK 35-21-41-400-001).
(7) Install the lavatory smoke detector (Ref. AMM TASK 26-17-15-400-001).
(8) Install the FAP (Ref. AMM TASK 23-73-12-400-007).

Subtask 25-41-41-865-052-A ** ON A/C NOT FOR ALL

I. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M09
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M10
** ON A/C NOT FOR ALL
122VU	AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL	5HU	U21
122VU	AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY	6HU	U19
** ON A/C NOT FOR ALL
2000VU	POT/WASTE WIP-HEATER-LINE	1DW	A02
2000VU	POT/WASTE WIP-HEATER-CTL	2DW	A01
2000VU	LAV FWD-OCCUPIED	1WJ	F01
** ON A/C NOT FOR ALL
2000VU	LAV FWD & MID-HOT WATER-A	1MB	F02
** ON A/C NOT FOR ALL
2000VU	LIGHT-LAV	1LQ	J01
** ON A/C NOT FOR ALL
2000VU	WATER SYSTEM-QANT-IND	1MA	B01
** ON A/C NOT FOR ALL
2000VU	POT WIP-HEATER-LINE	1DW	A02
2000VU	POT WIP-HEATER-CTL	2DW	A01
2000VU	LAV FWD & MID-OCCUPIED	1WJ	F01
** ON A/C NOT FOR ALL
2000VU	PRAM	2RX	E01
** ON A/C NOT FOR ALL
2000VU	LAV FWD-HOT WATER-A	1MB	F02
** ON A/C NOT FOR ALL
2001VU	WATER SYS-QUANT-IND	1MA	B06
** ON A/C NOT FOR ALL
2001VU	WATER SYS-AIR-COMPRESSOR	19MD	F01
** ON A/C NOT FOR ALL
2001VU	POT/WASTE WIP-HEATER-CTL	32DW	D02
** ON A/C NOT FOR ALL
2001VU	LAV SHAVER SOCKET	1MT	B01
** ON A/C NOT FOR ALL
2001VU	POT/WASTE WIP HEATER CTL	32DW	D02

Subtask 25-41-41-710-050-A ** ON A/C NOT FOR ALL

J. Operational Test of the Lavatory Systems.
(1) Do a test of these water/waste-water systems:

The potable water system (Ref. AMM TASK 38-12-00-710-002)
The potable water quantity-indicating system (Ref. AMM TASK 38-13-00-710-001)
The potable water heater (Ref. AMM TASK 38-12-00-710-004)
The waste-water drain system (Ref. AMM TASK 38-32-00-710-002)
The recirculation toilet system (Ref. AMM D/O 38-31-00-71).

(a) Make sure that there are no leaks.

NOTE: Leaks are not permitted.

(2) Do the functional test of the lavatory air extraction system (Ref. AMM TASK 21-23-00-720-002).
(3) Do the operational test of the individual air outlet system (Ref. AMM TASK 21-21-00-710-002).
(4) Do a test of these electrical systems:

The passenger address system (Ref. AMM TASK 23-73-00-710-005)
The cabin and flight crew interphone-system (Ref. AMM TASK 23-73-00-710-003)
The lavatory call lights (Ref. AMM TASK 23-73-00-710-007)
The lavatory smoke detection system (Ref. AMM TASK 26-17-00-710-001)
The lavatory lighting (Ref. AMM TASK 33-24-00-710-001)
The lavatory emergency lighting (Ref. AMM TASK 33-51-00-710-007)
The lavatory lighted signs (Ref. AMM TASK 33-26-00-710-001)
The cabin attendant work-lights (Ref. AMM TASK 33-27-00-710-001)
The return to seat sign (Ref. AMM TASK 23-73-00-710-017)
The passenger emergency-oxygen system (Ref. AMM TASK 35-23-00-710-001).

Subtask 25-41-41-710-050-B ** ON A/C NOT FOR ALL

J. Operational Test of the Lavatory Systems
(1) Do the operational test of these water/waste-water systems/units:

Potable water-distribution system (Ref. AMM TASK 38-12-00-710-002)
Potable-water quantity indicating-system (Ref. AMM TASK 38-13-00-710-001)
Potable water heater (Ref. AMM TASK 38-12-00-710-004)
Waste-water drain system (Ref. AMM TASK 38-32-00-710-002)
Vacuum toilet unit (Ref. AMM TASK 38-31-00-710-009).

Make sure that there are no leaks.
(2) Do the functional test of the lavatory air-extraction system (Ref. AMM TASK 21-23-00-720-002).
(3) Do the operational test of the individual-air outlet system (Ref. AMM TASK 21-21-00-710-002).
(4) Do the operational test of these electrical systems/units:

Passenger Address (PA) system (Ref. AMM TASK 23-73-00-710-005)
Cabin and flight crew interphone-system (Ref. AMM TASK 23-73-00-710-003)
Passenger call system (Ref. AMM TASK 23-73-00-710-007)
Lavatory smoke-detection system (Ref. AMM TASK 26-17-00-710-001)
Lavatory lighting (Ref. AMM TASK 33-24-00-710-001)
Cabin emergency lighting (Ref. AMM TASK 33-51-00-710-007)
Lavatory lighted signs (Ref. AMM TASK 33-26-00-710-001)
Cabin attendant work-lights (Ref. AMM TASK 33-27-00-710-001)
Return to Seat (RTS) sign (Ref. AMM TASK 23-73-00-710-017)
Passenger emergency-oxygen system (Ref. AMM TASK 35-23-00-710-001).

Subtask 25-41-41-710-050-D ** ON A/C NOT FOR ALL

J. Operational Test of the Lavatory Systems
(1) Do the operational test of these potable water/waste-water systems/units:

Potable water-distribution system (Ref. AMM TASK 38-12-00-710-002)
Potable-water quantity indicating-system (Ref. AMM TASK 38-13-00-710-001)
Potable water heater (Ref. AMM TASK 38-12-00-710-004)
Waste-water drain system (Ref. AMM TASK 38-32-00-710-002)
Vacuum toilet unit (Ref. AMM TASK 38-31-00-710-009).

CIDS (Ref. AMM TASK 23-73-00-740-005)
Cabin and flight crew interphone-system (Ref. AMM D/O 23-73-00-71)
Passenger call system (Ref. AMM TASK 23-73-00-710-024)
Passenger Address (PA) system (Ref. AMM TASK 23-73-00-710-022)
Lavatory smoke-detection system (Ref. AMM TASK 26-17-00-710-001)
Lavatory lighting (Ref. AMM TASK 33-24-00-710-001)
Cabin emergency lighting (Ref. AMM TASK 33-51-00-710-007)
Lavatory lighted signs (Ref. AMM TASK 33-26-00-710-001)
Cabin attendant work-lights (Ref. AMM TASK 33-27-00-710-001)
Return-to-Seat (RTS) sign (Ref. AMM TASK 23-73-00-710-017)
Passenger emergency-oxygen system (Ref. AMM TASK 35-23-00-710-002).

Subtask 25-41-41-710-050-G ** ON A/C NOT FOR ALL

J. Do an Operational Test of the Lavatory Systems
(1) Do an operational test of these water/waste-water systems:

The potable water system (Ref. AMM TASK 38-12-00-710-002)
The potable water quantity indicating system (Ref. AMM TASK 38-13-00-710-001)
The potable water heater (Ref. AMM TASK 38-12-00-710-004)
The waste-water drain system (Ref. AMM TASK 38-32-00-710-002)
the vacuum toilet unit (Ref. AMM TASK 38-31-00-710-009).

(a) Make sure that there are no leaks.

NOTE: Leaks are not permitted.

The PA system (Ref. AMM TASK 23-73-00-710-005)
The cabin and flight crew interphone-system (Ref. AMM TASK 23-73-00-710-003)
The lavatory call system (Ref. AMM TASK 23-73-00-710-007)
The lavatory smoke detection (Ref. AMM TASK 26-17-00-710-001)
The lavatory lighting (Ref. AMM TASK 33-24-00-710-001)
The lavatory emergency lighting (Ref. AMM TASK 33-51-00-710-007)
The lavatory lighted signs (Ref. AMM TASK 33-26-00-710-001)
The cabin attendant work-lights (Ref. AMM TASK 33-27-00-710-001)
The return to seat sign (Ref. AMM TASK 23-73-00-710-017)
The passenger emergency-oxygen system (Ref. AMM TASK 35-23-00-710-001).

Subtask 25-41-41-710-057-A ** ON A/C NOT FOR ALL

K. Do the operational test of the Cockpit Door Locking System (CDLS)
(Ref. AMM TASK 52-51-00-710-002).

Subtask 25-41-41-710-058-A ** ON A/C NOT FOR ALL

L. Test of the Emergency Access
(1) Do the operational test of the emergency access to make sure that the keypad operates correctly (Ref. AMM TASK 52-51-00-710-003).

5. Close-up
Subtask 25-41-41-410-051-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the toilet shroud (Ref. AMM TASK 25-45-22-400-001).
(2) Install the forward utility-area ceiling-panels (Ref. AMM TASK 25-23-42-400-001).
(3) Install the forward passenger/crew door-frame linings (Ref. AMM TASK 25-23-45-400-006).
(4) Install the wall-mounted CAS(s) (Ref. AMM TASK 25-22-41-400-001).
(5) Make sure that the work area is clean and clear of tools and other items.
(6) Close lateral avionics-compartment access-door 812 (Ref. AMM TASK 52-41-00-410-002).
(7) Remove the WARNING NOTICE(S).

Subtask 25-41-41-410-051-N ** 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) Install the toilet shroud (Ref. AMM TASK 25-45-22-400-001).
(3) Install the forward utility-area ceiling-panels (Ref. AMM TASK 25-23-42-400-001).
(4) Install the forward passenger/crew door frame-lining (Ref. AMM TASK 25-23-45-400-006).
(5) Install the wall-mounted cabin-attendant seat (Ref. AMM TASK 25-22-41-400-001).
(6) Close the lateral avionics compartment door 812.
(7) Remove the access platform(s).
(8) Remove the WARNING NOTICE(S).

Subtask 25-41-41-862-051-A ** ON A/C NOT FOR ALL

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:35:12 UTC