Removal of Space-Flex Lavatory B/F or F/G or D/E

TASK 25-43-49-000-802-A
Removal of Space-Flex Lavatory B/F or F/G or D/E

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.

FIN: 5108MM ** 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	AR	BAG - PLASTIC
No specific	AR	CAP - BLANKING
No specific	2	CONTAINER 1 L (1/4 USGAL)
No specific	2	PIN - RELEASE
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	SCRAPER - NON METALLIC
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 12-24-38-680-001-A	Draining of the Potable Water System (with Electrical Power)
TASK 23-73-00-862-001-A	De-energize the Cabin Intercommunication Data System (CIDS)
TASK 23-73-14-000-001-A	Removal of the Lavatory Call Light
TASK 23-73-51-000-001-A	Removal of the Loudspeaker
TASK 23-73-62-000-006-A	Removal of the Return to Seat sign (LED)
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-22-41-000-001-A	Removal of the Wall-Mounted Cabin-Attendant Seats
TASK 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-42-000-002-A	Removal of the Ceiling Panels - Aft Utility Area
TASK 25-23-43-000-001-A	Removal of the Upper Sidewall Panel
TASK 25-23-44-000-001-A	Removal of the Lower Sidewall Panels (Dado Panels)
TASK 25-23-45-000-003-A	Removal of the Door Frame Linings from the Left Aft Passenger/Crew Door
TASK 25-23-48-000-001-A	Removal of the Cove Light Panel
TASK 25-33-50-000-802-A	Removal of Galley G4B (Space-Flex V2)
TASK 25-45-18-000-802-A	Removal of the Access Doors of the Space Flex Lavatory
TASK 25-45-19-000-804-A	Removal of the Door of the Space Flex Lavatory
TASK 25-45-22-000-802-A	Removal of the Toilet Shroud of the Space Flex Lavatory
TASK 25-55-12-000-001-A	Removal of the Aft Cargo-Compartment Partition at FR65
TASK 25-55-12-000-003-A	Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
TASK 26-17-15-000-809-A	Removal of the Smoke Detector of Lavatory WC/FS/GS
TASK 30-71-53-000-003-A	Removal of the Waste-Water De-icing Heater Elements
TASK 30-73-53-000-001-A	Removal of the Potable-Water De-icing Heater Elements
TASK 33-24-12-000-805-A	Removal of the Accent Washtable Light
TASK 33-24-12-000-806-A	Removal of the Floor Light
TASK 33-51-14-000-006-A	Removal of the Auxiliary/Mirror Lavatory Light
TASK 35-21-41-000-001-A	Removal of the Emergency Oxygen Containers
TASK 38-10-00-614-002-A	Depressurization of the Potable Water System
TASK 38-31-41-000-001-A	Removal of a Toilet Assembly
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
CMM 254101
TASK 25-43-00-00	AFT LAVATORIES - DESCRIPTION AND OPERATION
Electrical Connections ** ON A/C NOT FOR ALL
Electrical Connections ** ON A/C NOT FOR ALL
Air Connections ** ON A/C NOT FOR ALL
Air Connections ** ON A/C NOT FOR ALL
Water Connections ** ON A/C NOT FOR ALL
Water Connections ** ON A/C NOT FOR ALL
Upper Attachments ** ON A/C NOT FOR ALL
Upper Attachments ** ON A/C NOT FOR ALL
Door Sill ** ON A/C NOT FOR ALL
Lower Attachments ** ON A/C NOT FOR ALL
Floor Pan Assembly Spaceflex V2 ** ON A/C NOT FOR ALL
Lower Attachments Spaceflex V2 ** ON A/C NOT FOR ALL
Disassembly/Assembly of the lavatory ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-43-49-861-051-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 25-43-49-860-069-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Depressurize the potable water system (Ref. AMM TASK 38-10-00-614-002).
(2) Drain the potable water system (Ref. AMM TASK 12-24-38-680-001).
(3) Put the WARNING NOTICE(S) in position to tell persons not to do the servicing of the potable water system.
(4) For the location of this component, refer to paragraph Component Location
(Ref. AMM D/O 25-43-00-00).

Subtask 25-43-49-862-054-A ** ON A/C NOT FOR ALL

C. De-energize the Cabin Intercommunication Data System (CIDS) (Ref. AMM TASK 23-73-00-862-001).

Subtask 25-43-49-680-051-B ** ON A/C NOT FOR ALL

D. Aircraft Maintenance Configuration
(1) Drain the potable water system (Ref. AMM TASK 12-24-38-680-001).
(2) On service panel 2023VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to do the servicing of the potable water system.

Subtask 25-43-49-865-053-A ** ON A/C NOT FOR ALL

E. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	LIGHTING/EMER LT/CABIN	79WL	H07
** ON A/C NOT FOR ALL
49VU	LIGHTING/EMER LT/CABIN	79WL	H05
** 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
2000VU	POT WIP-HEATER-CTL	2DW	A01
2000VU	LIGHT-LAV	1LQ	J01
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACUUM-GEN	33MG	A08
2001VU	LAV AFT-HOT WATER-D/F	2MB	B02
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACU-SYS	35MG	A06
2001VU	VACU TOIL SYS-LAV PWR-G	34MG	A04
2001VU	VACU TOIL SYS-LAV PWR-F	39MG	A03
2001VU	LAVATORY AFT-OCCUPIED	11WJ	B04
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACU-GEN	33MG	A08
2001VU	LAV AFT-HOT WATER	2MB	B02

Subtask 25-43-49-010-054-A ** ON A/C NOT FOR ALL

F. Get Access
(1) Remove the adjacent galley (Ref. AMM TASK 25-33-50-000-802).

Subtask 25-43-49-010-055-B ** ON A/C NOT FOR ALL

G. Get Access
(1) Remove the ceiling panel in the aft utility area (Ref. AMM TASK 25-23-42-000-002).
(2) Remove the applicable ceiling panel (Ref. AMM TASK 25-23-41-000-001).
(3) Remove the cove light panel (Ref. AMM TASK 25-23-48-000-001).
(4) Remove the light control unit (Ref. AMM D/O 33-24-15-00).
(5) Remove the lavatory smoke detector (Ref. AMM D/O 26-17-15-00).
(6) Remove the auxiliary/mirror lavatory light (Ref. AMM TASK 33-51-14-000-006).
(7) Remove the Return to Seat sign (LED) (Ref. AMM TASK 23-73-62-000-006).
(8) Remove the lavatory loudspeaker (Ref. AMM TASK 23-73-51-000-001).
(9) Remove the Cabin LED Unit (CLEDU) (Ref. AMM D/O 33-24-11-00).
(10) If necessary, remove the accent washtable lights (Ref. AMM TASK 33-24-12-000-805).
(11) Remove the upper sidewall panel (Ref. AMM TASK 25-23-43-000-001).
(12) Remove the lower sidewall panel (Ref. AMM TASK 25-23-44-000-001).
(13) Remove the lavatory call lights (Ref. AMM TASK 23-73-14-000-001).
(14) If necessary, remove the lavatory floor light (Ref. AMM TASK 33-24-12-000-806).
(15) If the door-mounted cabin attendant seat is installed, remove it (Ref. AMM TASK 25-22-41-000-001).

Subtask 25-43-49-010-055-AY ** ON A/C NOT FOR ALL

G. Get Access
(1) If necessary, remove the aft utility-area ceiling-panel(s) (Ref. AMM TASK 25-23-42-000-002).
(2) Remove the applicable ceiling panels (Ref. AMM TASK 25-23-41-000-001).
(3) Remove the applicable cove light panels (Ref. AMM TASK 25-23-48-000-001).
(4) Remove the light control unit (Ref. AMM D/O 33-24-15-00).
(5) Remove the lavatory smoke detectors (Ref. AMM TASK 26-17-15-000-809).
(6) Remove the auxiliary/mirror lavatory light (Ref. AMM TASK 33-51-14-000-006).
(7) Remove the Return to Seat (RTS) sign (LED) (Ref. AMM TASK 23-73-62-000-006).
(8) Remove the lavatory loudspeaker (Ref. AMM TASK 23-73-51-000-001).
(9) Remove the Cabin LED Units (CLEDU) (Ref. AMM D/O 33-24-11-00).
(10) If necessary, remove the accent washtable lights (Ref. AMM TASK 33-24-12-000-805).
(11) Remove the applicable upper sidewall panels (Ref. AMM TASK 25-23-43-000-001).
(12) Remove the applicable lower sidewall panels (Ref. AMM TASK 25-23-44-000-001).
(13) Remove the lavatory call lights (Ref. AMM TASK 23-73-14-000-001).
(14) If necessary, remove the lavatory floor light (Ref. AMM TASK 33-24-12-000-806).
(15) Remove the wall-mounted Cabin Attendant Seat (CAS) (Ref. AMM TASK 25-22-41-000-001).

Subtask 25-43-49-010-056-A ** ON A/C NOT FOR ALL

H. Get Access
(1) Remove the door-frame lining panels (Ref. AMM TASK 25-23-45-000-003).

Subtask 25-43-49-010-057-B ** ON A/C NOT FOR ALL

I. Get Access
(1) Remove the lavatory doors (Ref. AMM TASK 25-45-19-000-804).
(2) In the lavatory:
(a) Remove emergency oxygen containers [37WR] and [38WR] (Ref. AMM TASK 35-21-41-000-001).
(b) Remove the toilet shrouds (Ref. AMM TASK 25-45-22-000-802).
(c) Remove the toilet assemblies (Ref. AMM TASK 38-31-41-000-001).
(d) Remove the wash basin door (Ref. AMM TASK 25-45-18-000-802).

Subtask 25-43-49-010-057-AY ** ON A/C NOT FOR ALL

I. Get Access
(1) Remove the lavatory doors (Ref. AMM TASK 25-45-19-000-804).
(2) Remove the emergency oxygen containers (Ref. AMM TASK 35-21-41-000-001).
(3) In the lavatory:
(a) Remove the toilet shrouds and the seats (Ref. AMM TASK 25-45-22-000-802).
(b) Remove the toilet assemblies (Ref. AMM TASK 38-31-41-000-001).
(c) If necessary, remove the related waste-water pipe heaters and insulations (Ref. AMM TASK 30-71-53-000-001).
(d) If necessary, remove the related potable-water pipe heaters and insulations (Ref. AMM TASK 30-73-53-000-001).
(4) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(5) In the aft cargo compartment:
(a) Remove the applicable partition (Ref. AMM TASK 25-55-12-000-001).
(b) Remove the applicable sidewall panels (Ref. AMM TASK 25-55-12-000-003).

4. Procedure
Subtask 25-43-49-930-053-A ** ON A/C NOT FOR ALL

A. Marking of the Ventilation Connections, the Potable Water Connections and the Waste-Water Drain Connections
(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.

Subtask 25-43-49-020-090-A ** ON A/C NOT FOR ALL

B. Removal of the Electrical Connections

Electrical Connections ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Disconnect electrical connectors 7191VC-A (10) and 7193VC-A (9) as follows:
(a) Cut and discard the tie-wraps (11).
(b) Release the electrical harnesses (12).
(c) Disconnect the electrical connectors (10) and (9).
(d) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(e) Safety the electrical connectors (10) and (9) to the aircraft structure.
(3) Disconnect the bonding straps (3) and (8) as follows:

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTOR(S) IS(ARE) DISCONNECTED BEFORE YOU DISCONNECT THE BONDING STRAP(S).

(a) Remove the nuts (4), the bolts (1) and the washers (2), then disconnect the bonding straps (3).
(b) Safety the bonding straps (3) to the lavatory structure.
(c) Remove the bolts (5), the lockwashers (6) and the washers (7), then disconnect the bonding straps (8).
(d) Safety the bonding straps (8) to the lavatory structure.

Subtask 25-43-49-020-059-B ** ON A/C NOT FOR ALL

C. Removal of the Electrical Connections

Electrical Connections ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Disconnect electrical connectors 7191VC-A (9) and 7193VC-A (10).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Cut and discard the tie wrap (11) and release the electrical harnesses (12).
(5) Disconnect the bonding straps (3) and (8) as follows:

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTOR(S) IS(ARE) DISCONNECTED BEFORE YOU DISCONNECT THE BONDING STRAP(S).

(a) Remove the nuts (4), the bolts (1) and the washers (2) and disconnect the bonding straps (3).
(b) Remove the bolts (5), the lockwashers (6) and the washers (7) and disconnect the bonding straps (8).

Subtask 25-43-49-020-091-A ** ON A/C NOT FOR ALL

D. Removal of the Air Connections

Air Connections ** ON A/C NOT FOR ALL

(1) Remove the sealant with the SCRAPER - NON METALLIC.
(2) Push the button (2) and open the panel assembly (1).
(3) Remove the screws (3), the washers (4) and the covers (5) and (6).
(4) Disconnect the air-extraction hose (7) as follows:
(a) Loosen the clamp (9) and disconnect the air-extraction hose (7) from the tube (11).
(b) Remove the clamp (9).
(c) Put the PLUG-BLANKING in each disconnected line end.
(5) Disconnect the ventilation hose (8) as follows:
(a) Loosen the clamp (10) and disconnect the ventilation hose (8) from the tube (12).
(b) Remove the clamp (10).
(c) Put the PLUG-BLANKING in each disconnected line end.

Subtask 25-43-49-020-060-B ** ON A/C NOT FOR ALL

E. Removal of the Air Connections

Air Connections ** ON A/C NOT FOR ALL

(1) Push the button (2) and open the panel assembly (1).
(2) Remove the screws (3) and the washers (4).
(3) Remove the access covers (5).
(4) Loosen the clamp (8) and disconnect the ventilation hose (6) from the ventilation tube (10).
(5) Remove the clamps (8).
(6) Loosen the clamp (9) and disconnect the ventilation hose (7) from the ventilation tube (11).
(7) Remove the clamps (9).
(8) Put the PLUG-BLANKING in each disconnected line end.

Subtask 25-43-49-020-092-A ** ON A/C NOT FOR ALL

F. Removal of the Water Connections

Water Connections ** ON A/C NOT FOR ALL

(1) Remove the sealant with the SCRAPER - NON METALLIC.

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.

(2) Put the CONTAINER 1 L (1/4 USGAL) in position below the water connections that you will disconnect.

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

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).

(3) Disconnect the potable water connections as follows:
(a) Loosen the nuts (4) and disconnect the potable water hoses (6) from the end fittings of the tubes (5).
(b) Put the PLUG-BLANKING in each disconnected line end.
(4) Disconnect the waste-water drain connections 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) Loosen the clamps (2) and disconnect the waste-water drain hoses (1) from the waste-water drain tubes (3).
(b) Remove the clamps (2).
(c) Put the PLUG-BLANKING in each disconnected line end.
(5) Remove the vacuum waste connections 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).

WARNING: WHEN YOU REMOVE A COMPONENT OF THE TOILET WASTE SYSTEM, ALWAYS DISINFECT THE PART BEFORE YOU PUT IT IN A PLASTIC BAG, THEN SEAL THE BAG. DO NOT PUT DOCUMENTS INTO THE PLASTIC BAG. SEAL THE BAG FIRST,THEN ATTACH THE DOCUMENTS TO IT. THIS WILL PREVENT INFECTION OR ILLNESS. CONTAMINATION FROM THE WASTE CAN BE DANGEROUS TO HEALTH.

(a) Use the BAG - PLASTIC to keep the vacuum-waste line components.
(b) Remove the clamps (10) and move the sleeves (8) in the direction of the vacuum waste tubes (9).
(c) Disconnect the vacuum waste hoses (14) from the vacuum waste tubes (9).
(d) Remove and discard the O-rings (7).
(e) Remove the sleeves (8).
(f) Remove the screws (12) and the washers (13) from the access covers (11).
(g) Lift the access covers (11).
(h) Remove the screws (12), the washers (13) and the vacuum waste hoses (14).
(i) Remove and discard the O-rings (7).
(j) Put the PLUG-BLANKING in each disconnected line end.

Subtask 25-43-49-020-061-B ** ON A/C NOT FOR ALL

G. Removal of the Water Connections

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) Put the CONTAINER 1 L (1/4 USGAL) in position below the water connections that you will disconnect.
(2) Disconnect the potable water connections as follows:
(a) Remove the Velcro (8) and the insulation (7) from the potable water connections.
(b) Loosen the nuts (4) and disconnect the potable water hoses (6) from the fittings (5).
(c) Put the PLUG-BLANKING in each disconnected line end.
(3) Disconnect the waste-water drain connection as follows:

CAUTION: MAKE MATCH MARK ON THE WASTE WATER AND AIR OUTLET HOSES AND ON THEIR RELATED CONNECTIONS. IF YOU CONNECT ONE OF THESE HOSES TO THE CONNECTION OF THE OTHER HOSE, YOU CAN CAUSE DAMAGE TO EQUIPMENT.

(a) Loosen the clamps (2) and disconnect the drain tubes (1) from the pipes (3).
(b) Remove the clamps (2).
(c) Put the PLUG-BLANKING in each disconnected line end.
(4) Disconnect the vacuum drain connections as follows:
(a) Remove the clamps (11) and move the sleeves (10) from the vacuum waste lines (12).
(b) Disconnect the vacuum waste tubes (18) from the vacuum waste lines (12).
(c) Remove and discard the O-rings (9).
(d) Remove the sleeves (10).
(e) Remove the screws (17) and the washers (13) from the seals (14).
(f) Lift the seals (14) and remove the screws (15) and the vacuum waste tubes (18).
(g) Remove and discard the O-rings (16).
(h) Put the PLUG-BLANKING in each disconnected line end.

Subtask 25-43-49-020-093-A ** ON A/C NOT FOR ALL

H. Removal of the Upper Attachments

Upper Attachments ** ON A/C NOT FOR ALL

(1) Use the PIN - RELEASE and unlock the mechanism (2).
(2) Open the access panel (1).
(3) Hold the tie-rods (3) and (8) in position, then remove the quick-release pins (6), (7) and (18).
(4) Remove the tie-rods (3) and (8).
(5) Disconnect the bonding strap (17) as follows:
(a) Remove the nut (11), screw (16), lockwashers (12), and washers (13), then disconnect the bonding strap (17).
(b) Safety the bonding strap (17) to the lavatory structure.
(6) Remove the quick-release pins (14) and the bracket (15).

Subtask 25-43-49-020-062-B ** ON A/C NOT FOR ALL

I. Removal of the Upper Attachments

Upper Attachments ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Use the PIN - RELEASE (2) to unlock the mechanism.
(3) Open the access panel (1).
(4) Remove the quick-release pins (3) and disconnect the tie-rods (6) from the aircraft structure.
(5) Disconnect the bonding strap (15) as follows:
(a) Remove the screw (13) and the washers (14) and (16) and disconnect the bonding strap (15).
(b) Safety the bonding strap (15) to the bracket (11).
(6) Remove the quick-release pins (12) and disconnect the tie-rod (9) from the aircraft structure.
(7) Remove the quick-release pins (10), the tie-rod (9) and the bracket (11).

Subtask 25-43-49-020-094-A ** ON A/C NOT FOR ALL

J. Removal of the Door Sill

Door Sill ** ON A/C NOT FOR ALL

(1) Remove the sealant with the SCRAPER - NON METALLIC.
(2) Remove the screws (1) and the door sill (4).
(3) Remove the spacers (2) and (3).

Subtask 25-43-49-020-095-A ** ON A/C NOT FOR ALL

K. Removal of the Lower Attachments

Lower Attachments ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Remove the sealant with the SCRAPER - NON METALLIC.
(3) Remove the screws (10) and (13), the washers (9) and (12) and the seal angle (11).
(4) Remove the screw (17) and the washer (18) from the plate (19).
(5) Remove the protection wax from the bolts (1) with the SCRAPER - NON METALLIC.
(6) Remove the bolts (1) and the washers (2).
(7) If the washers (3) are installed, remove them.
(8) Remove the inner eccentric bushings (4) and the outer eccentric bushings (5).

CAUTION: WHEN YOU MOVE A HEAVY COMPONENT, DO NOT PUSH IT ALONG THE CABIN FLOOR OR LET IT RUB AGAINST THE FLOOR. IF YOU DO, YOU CAN CAUSE DAMAGE TO THE CABIN FLOOR AND/OR THE COMPONENT.

(9) Carefully lift and move the lavatory assembly to the aft utility area.
(10) Remove the bushings (7).
(11) Remove and discard the packings (8).
(12) Loosen the clamp (21) and disconnect the hose (25) from the T-connection (20).
(13) Remove the clamp (21).
(14) Remove the screw (23), washer (22), clamp (24) and spacer (26).
(15) Loosen the clamps (15) and disconnect the ventilation hose (16) from the tube (14).
(16) Remove the clamps (15).
(17) Put the PLUG-BLANKING in each disconnected line end.

Subtask 25-43-49-020-097-A ** ON A/C NOT FOR ALL

L. Disassembly of the Lavatory

WARNING: YOU MUST MAKE SURE THAT YOU CAN HOLD THE COMPONENT BEFORE YOU REMOVE/INSTALL IT. THE COMPONENT IS HEAVY. IF IT FALLS, IT CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.

(1) For the disassembly of the lavatory, CMM 254101.
(2) If necessary, put the SAFETY BARRIER(S) in position.

Subtask 25-43-49-020-088-A ** ON A/C NOT FOR ALL

M. Removal of the Floor Pan Assembly

Floor Pan Assembly Spaceflex V2 ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Remove the screws (2) from the door sill (7).
(3) Remove the door sill (7) and the spacers (5) and (6).
(4) Remove the floor pans (3) and (4) as follows:
(a) When you remove the floor pans (3) and (4), make sure that you move them away from the inner lavatory wall to avoid damage.
(b) Carefully release the floor pans (3) and (4) from the retaining clips (1) and remove them.

Subtask 25-43-49-020-063-B ** ON A/C NOT FOR ALL

N. Removal of the Lower Attachments

Lower Attachments Spaceflex V2 ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Remove the bolts (1) and the washers (2).
(3) If the washers (3) are installed, remove them.
(4) Remove the inner eccentric bushes (4) and the outer eccentric bushes (5).
(5) Lift and move the lavatory assembly to the aft utility area.
(6) Remove the bushings (7).
(7) Remove and discard the packings (8).
(8) Remove the screws (22), washers (21), clamps (20) and spacers (19).
(9) Loosen the clamp (13) and disconnect the air-extraction hose (17) from the air-extraction tube (12).
(10) Remove the clamp (13).
(11) Remove the screw (15), washer (14), clamp (16) and spacer (18).
(12) Loosen the clamp (10) and disconnect the ventilation hose (11) from the ventilation tube (9).
(13) Remove the clamp (10).
(14) Put the PLUG-BLANKING in each disconnected line end.

Subtask 25-43-49-020-064-B ** ON A/C NOT FOR ALL

O. Disassembly of the Lavatory

Disassembly/Assembly of the lavatory ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Remove the screws (5), (2), (7) and (9) and the washers (3) and (6) from the lavatory assembly.
(3) Carefully lift and remove the lavatory assembly (4) from the floor pan assembly (8).
(4) Remove the screws (10), washers (11) and floor pan assembly (8).
(5) Remove the lavatory assembly (1) from the aircraft.

[Rev.10 from 2021] 2026.03.31 23:35:31 UTC