W DOC AIRBUS | AMM A320F

Removal of Lavatory A

TASK 25-41-41-000-001-A
Removal 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.
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
AR
BAG - PLASTIC
No specific
AR
CAP - BLANKING
No specific
1
CONTAINER 1 L (1/4 USGAL)
No specific
1
ELEC CONTACTS INSERTION EXTRACTION TOOL M15.570-16
No specific
AR
PLUG - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
2
SCRAPER - NON METALLIC
No specific
1
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.05RDA1)
Adhesive Film Tape-Masking - -
No specific
CABLE TIES
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
200
UPPER HALF FUSELAGE
812
221AW, 221BW, 221EW
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 12-24-38-680-001-A
Draining of the Potable Water System (with Electrical Power)
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 23-73-18-000-001-A
Removal of the Programming and Test Panel
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 25-23-42-000-001-A
Removal 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 25-45-19-000-001-A
Removal of the Lavatory Door
TASK 25-45-22-000-001-A
Removal of the Toilet Shroud and the Seat
TASK 26-17-15-000-001-A
Removal of the Lavatory Smoke Detector
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 38-30-00-010-002-A
Removal of the Toilet Drain Lines
TASK 38-31-41-000-001-A
Removal of a Toilet Assembly
TASK 52-41-00-010-002-A
Open the Avionics Compartment Doors for Access
TASK 52-51-11-000-001-A
Removal of the Cockpit Door
ESPM 2056410
AWM 525102
F Electrical Connections ** ON A/C NOT FOR ALL
F Electrical Connections ** ON A/C NOT FOR ALL
F Electrical Connections ** ON A/C NOT FOR ALL
F Electrical Connections ** ON A/C NOT FOR ALL
F Air Connections
F Water Connections ** ON A/C NOT FOR ALL
F Water Connections ** ON A/C NOT FOR ALL
F Hose and Tube Connections ** ON A/C NOT FOR ALL
F Water Connections ** ON A/C NOT FOR ALL
F Ceiling Supports
F Door Sill
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
F Lavatory Subassemblies ** ON A/C NOT FOR ALL
F Lavatory Subassemblies ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 25-41-41-861-051-A ** ON A/C NOT FOR ALL
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 25-41-41-680-051-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.
Subtask 25-41-41-865-050-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DEU A NORM/L FWD163RHM09
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DEU A NORM/L FWD163RHM10
** ON A/C NOT FOR ALL
122VUAIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL5HUU21
122VUAIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY6HUU19
** ON A/C NOT FOR ALL
2000VUPOT/WASTE WIP-HEATER-LINE1DWA02
2000VUPOT/WASTE WIP-HEATER-CTL2DWA01
2000VULAV FWD-OCCUPIED1WJF01
** ON A/C NOT FOR ALL
2000VULAV FWD & MID-HOT WATER-A1MBF02
** ON A/C NOT FOR ALL
2000VULIGHT-LAV1LQJ01
** ON A/C NOT FOR ALL
2000VUWATER SYSTEM-QANT-IND1MAB01
** ON A/C NOT FOR ALL
2000VUPOT WIP-HEATER-LINE1DWA02
2000VUPOT WIP-HEATER-CTL2DWA01
2000VULAV FWD & MID-OCCUPIED1WJF01
** ON A/C NOT FOR ALL
2000VUPRAM2RXE01
** ON A/C NOT FOR ALL
2000VULAV FWD-HOT WATER-A1MBF02
** ON A/C NOT FOR ALL
2001VUWATER SYS-QUANT-IND1MAB06
** ON A/C NOT FOR ALL
2001VUWATER SYS-AIR-COMPRESSOR19MDF01
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP-HEATER-CTL32DWD02
** ON A/C NOT FOR ALL
2001VULAV SHAVER SOCKET1MTB01
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP HEATER CTL32DWD02
Subtask 25-41-41-010-066-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Open the lateral avionics-compartment access-door 812 (Ref. AMM TASK 52-41-00-010-002).
   (2) Remove the wall-mounted cabin-attendant seat (Ref. AMM TASK 25-22-41-000-001).
   (3) Remove the programming and test panel (Ref. AMM TASK 23-73-18-000-001).
   (4) Remove the Forward Attendant Panel (FAP) (Ref. AMM TASK 23-73-12-000-002).
   (5) Remove the lavatory smoke detector 1WQ (Ref. AMM TASK 26-17-15-000-001).
   (6) Remove the forward passenger/crew door-frame linings (Ref. AMM TASK 25-23-45-000-005).
   (7) Remove the cockpit door (Ref. AMM TASK 52-51-11-000-001).
   (8) Remove the lavatory door (Ref. AMM TASK 25-45-19-000-001).
   (9) Remove the forward utility-area ceiling-panels (Ref. AMM TASK 25-23-42-000-001).
   (10) Remove the emergency oxygen container 29WR (Ref. AMM TASK 35-21-41-000-001).
   (11) Remove the toilet assembly (Ref. AMM TASK 38-31-41-000-001).
   (12) Remove the toilet drain-line behind the lavatory (Ref. AMM TASK 38-30-00-010-002).
   (13) Remove the toilet shroud (Ref. AMM TASK 25-45-22-000-001).
Subtask 25-41-41-010-066-D ** ON A/C NOT FOR ALL
D. Get Access
   (1) Make sure that the ACCESS PLATFORM 2M (6 FT) is in the position at the lateral avionics compartment.
   (2) Open the lateral avionics-compartment access-door 812 (Ref. AMM TASK 52-41-00-010-002).
   (3) Remove the wall-mounted cabin-attendant seat (Ref. AMM TASK 25-22-41-000-001).
   (4) Remove the FAP (Ref. AMM TASK 23-73-12-000-007).
   (5) Remove the lavatory smoke detector 1WQ (Ref. AMM TASK 26-17-15-000-001).
   (6) Remove the forward passenger/crew door-frame linings 221EW, 221BW and 221AW (Ref. AMM TASK 25-23-45-000-005).
   (7) Remove the cockpit door (Ref. AMM TASK 52-51-11-000-001).
   (8) Remove the lavatory door (Ref. AMM TASK 25-45-19-000-001).
   (9) Remove the forward utility-area ceiling-panels (Ref. AMM TASK 25-23-42-000-001).
   (10) Remove the emergency oxygen container 29WR (Ref. AMM TASK 35-21-41-000-001).
   (11) Remove the toilet assembly (Ref. AMM TASK 38-31-41-000-001).
   (12) Remove the toilet drain-line behind the lavatory (Ref. AMM TASK 38-30-00-010-002).
   (13) Remove the toilet shroud (Ref. AMM TASK 25-45-22-000-001).
Subtask 25-41-41-010-066-G ** ON A/C NOT FOR ALL
D. Get Access
   (1) Open lateral avionics-compartment access-door 812 (Ref. AMM TASK 52-41-00-010-002).
   (2) Remove the wall-mounted Cabin-Attendant Seat(s) (CAS) (Ref. AMM TASK 25-22-41-000-001).
   (3) Remove the Flight Attendant Panel (FAP) (Ref. AMM TASK 23-73-12-000-007).
   (4) Remove the lavatory smoke detector (Ref. AMM TASK 26-17-15-000-001).
   (5) Remove the forward passenger/crew door-frame linings (Ref. AMM TASK 25-23-45-000-005).
   (6) Remove the cockpit door (Ref. AMM TASK 52-51-11-000-001).
   (7) Remove the lavatory door (Ref. AMM TASK 25-45-19-000-001).
   (8) Remove the forward utility-area ceiling-panels (Ref. AMM TASK 25-23-42-000-001).
   (9) Remove emergency oxygen container 29WR (Ref. AMM TASK 35-21-41-000-001).
   (10) Remove the toilet assembly (Ref. AMM TASK 38-31-41-000-001).
   (11) Remove the toilet drain line behind the lavatory (Ref. AMM TASK 38-30-00-010-002).
   (12) Remove the toilet shroud (Ref. AMM TASK 25-45-22-000-001).
4. Procedure
Subtask 25-41-41-020-064-A ** ON A/C NOT FOR ALL
A. Disconnection of the Aircraft-Interface Electrical-Connections
F 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) On the lavatory outboard wall:
     (a) Remove the access panel (9).
     (b) If installed, disconnect the electrical connectors (27) and (28).
   (3) On the lavatory ceiling, disconnect the electrical connector (26).
   (4) On the lavatory wall, disconnect the electrical connector (25).
   (5) Open the sanitary-cabinet access door (3).
   (6) Disconnect the electrical connector (4).
   (7) Cut and discard the CABLE TIES (10) from each mount (13).
   (8) If necessary, cut and discard the cable ties (12) from the cable assemblies (11) and (8).
   (9) Remove the screws (6), washers (7) and bracket (5).
   (10) Disconnect the cable assembly (16) from the flush switch (2).
   (11) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (12) Close the sanitary-cabinet access door (3).
   (13) Cut and discard the cable ties (17) from each mount (18) and release the cable assembly (16).
   (14) Remove the electrical harnesses (14) and (15) from the lavatory structure as follows:
     (a) If installed, remove the screw (24).
     (b) Remove the screws (23), washers (22), electrical harnesses (15) and clamps (19).
     (c) If installed, remove the washers (21) and the spacers (20).
     (d) Cut and discard the cable ties (29) from the electrical harness (14).
     (e) Attach the electrical harnesses (15) and (14) to the aircraft structure with the tape Adhesive Film Tape-Masking - - (Material No.05RDA1) .
Subtask 25-41-41-020-064-B ** ON A/C NOT FOR ALL
A. Disconnection of the Aircraft-Interface Electrical Connections
F Electrical Connections ** ON A/C NOT FOR ALL
   (1) Disconnect the electrical connectors (10) and (2).
     (a) On the lavatory rear wall:
  • Disconnect the electrical connector (10).
     (b) In the lavatory, on the outboard wall:
  • Remove the access panel (1) and disconnect the electrical connector (2).
NOTE: Spring loaded catches hold the panel in position.
     (c) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (2) Remove the electrical harnesses from the lavatory structure:
     (a) Remove the screws (7), the washers (6), the spacers (4), the electrical harnesses (8) and (9) and the clamps (5).
     (b) Attach the electrical harnesses (8) and (9) to the aircraft structure with Adhesive Film Tape-Masking - - (Material No.05RDA1) .
   (3) Disconnect the electrical harness of the cockpit door release-latches:
CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
     (a) Disconnect the electrical connector (14).
     (b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
     (c) Disconnect the related electrical wires of the release latches 30MQ, 31MQ and 32MQ from the electrical connector (14) AWM 525102 and ESPM 2056410.
   (4) Remove the electrical harness (15) from the aircraft structure:
     (a) Remove the nuts (3), the screws (13), the washers (12) and disconnect the bonding connectors 8007VN and 8008VN.
     (b) Remove the tie-wraps (11) and the electrical harness (15).
     (c) Attach the electrical harness (15) to the lavatory wall with Adhesive Film Tape-Masking - - (Material No.05RDA1) .
Subtask 25-41-41-020-064-L ** ON A/C NOT FOR ALL
A. Disconnection of the Aircraft-Interface Electrical Connections
F Electrical Connections ** ON A/C NOT FOR ALL
   (1) In the lavatory, on the outboard wall:
     (a) Remove the access panel (1) and disconnect the electrical connectors 7200VC-A (2) and 7420VC-A (3).
   (2) On the lavatory wall:
     (a) Disconnect the electrical connector 2791VC-A (10).
   (3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (4) Remove the electrical harnesses from the lavatory structure:
     (a) Remove the screws (7), the washers (6), the spacers (4), the electrical harnesses (8) and (9) and the clamps (5).
     (b) Attach the electrical harnesses (8) and (9) to the aircraft structure with Adhesive Film Tape-Masking - - (Material No.05RDA1) .
Subtask 25-41-41-020-064-S ** ON A/C NOT FOR ALL
A. Disconnection of the Aircraft-Interface Electrical Connections
F Electrical Connections ** ON A/C NOT FOR ALL
   (1) In the lavatory, on the outboard wall:
     (a) Remove the access panel (1) and disconnect the electrical connector (2).
   (2) On the lavatory ceiling:
     (a) Disconnect the electrical connector (3).
   (3) On the lavatory wall:
     (a) Disconnect the electrical connector (10).
   (4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (5) Remove the electrical harnesses from the lavatory structure:
     (a) Remove the screws (7), the washers (6), the spacers (4), the electrical harnesses (8) and the clamps (5).
     (b) Remove the tie-wraps (11) and the electrical harness (9).
     (c) Attach the electrical harnesses (8) and (9) to the aircraft structure with Adhesive Film Tape-Masking - - (Material No.05RDA1) .
Subtask 25-41-41-020-065-C ** ON A/C NOT FOR ALL
B. Removal of the Air Connections
F Air 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) Above the lavatory ceiling, loosen the clamp (1) and disconnect the air-extraction hose (2) from the tube assembly (3).
   (3) Remove the clamp (1).
   (4) Behind the lavatory:
     (a) Loosen the clamp (5) and disconnect the ventilation hose (6) from the ventilation tube (4).
     (b) Loosen the clamp (8) and disconnect the ventilation hose (7) from the ventilation tube (4).
     (c) Remove the clamps (5) and (8).
   (5) Put the PLUG-BLANKING in each disconnected line end.
Subtask 25-41-41-020-060-A ** ON A/C NOT FOR ALL
C. Removal of the Potable Water and Waste Water Lines
F 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 a CONTAINER 1 L (1/4 USGAL) below the connections you will disconnect.
   (2) Disconnect/remove the potable water connections:
     (a) Remove the nut (8), the washer (9) and disconnect the bonding straps (7).
     (b) Loosen the nut (5) and disconnect the potable-water tube (6) from the fitting (4).
     (c) Loosen the nuts (5) and remove the potable-water hose (10).
     (d) Put the PLUG-BLANKING in each disconnected line end.
   (3) Disconnect the waste-water drain connection:
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 clamp (2) and disconnect the sleeve (3) from the drain tube (1).
     (b) Loosen the clamps (2) and remove the drain tube (1).
     (c) Put the PLUG-BLANKING in each disconnected line end.
   (4) Remove the container.
Subtask 25-41-41-020-060-B ** ON A/C NOT FOR ALL
C. Removal of the Water Connections
F 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) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
   (2) Put the CONTAINER 1 L (1/4 USGAL) in position below the water connections that you will disconnect.
   (3) Disconnect the potable water connections as follows:
     (a) Remove the nut (4) and the washer (5) and disconnect the bonding straps (3).
     (b) Loosen the nut (1) of the potable water tube (2) and disconnect the potable water tube (2) from the fitting (6).
     (c) Loosen the nuts (1) of the potable water hose (7) and remove the potable water hose (7) from the fittings (6).
     (d) Put the PLUG-BLANKING in each disconnected line end.
   (4) Disconnect the waste-water drain connection as follows:
     (a) Loosen the clamp (8) and disconnect the drain tube (9).
     (b) Remove the clamp (8).
     (c) Put the PLUG-BLANKING in each disconnected line end.
Subtask 25-41-41-020-060-E ** ON A/C NOT FOR ALL
C. Removal of the Water Connections
F Hose and Tube 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 a CONTAINER 1 L (1/4 USGAL) in position below the water connections that you will disconnect.
   (2) If necessary, push up the insulation (3).
   (3) Disconnect the potable water connections:
     (a) Remove the nut (5), the washer (6) and disconnect the bonding straps (4).
     (b) Loosen the nut (1) and disconnect the potable water tube (2) from the fitting (7).
     (c) Loosen the nuts (1) and remove the potable water hose (8).
     (d) Put the PLUG-BLANKING in each disconnected line end.
   (4) Disconnect the waste-water drain connection:
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 clamp (9) and disconnect the drain tube (10).
     (b) Put the PLUG-BLANKING in each disconnected line end.
Subtask 25-41-41-020-060-F ** ON A/C NOT FOR ALL
C. Removal of the Water Connections
F 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) Disconnect the bonding strap (15) as follows:
     (a) If the nut (16) is installed, remove it.
     (b) Remove the screw (13) and the washers (14) and disconnect the bonding strap (15).
     (c) Safety the bonding strap (15) to the lavatory structure.
   (2) Put the CONTAINER 1 L (1/4 USGAL) in position below the water connections that you will disconnect.
   (3) Disconnect 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) Loosen the clamp (5) and disconnect the waste-water drain hose (4) from the waste-water drain tube (6).
     (b) Remove the clamp (5).
     (c) Put the PLUG-BLANKING in each disconnected line end.
   (4) Disconnect 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) Loosen the nut (2) and disconnect the potable water hose (1) from the end fitting of the tube (3).
     (b) Put the PLUG-BLANKING in each disconnected line end.
   (5) Remove 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).
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 (9) and move the sleeves (10) to the direction of the vacuum waste hose (11).
     (c) Disconnect the vacuum waste hose (11) from the vacuum waste tubes (7) and (12).
     (d) Remove and discard the O-rings (8).
     (e) Remove the sleeves (10).
     (f) Put the PLUG-BLANKING in each disconnected line end.
Subtask 25-41-41-010-072-A ** ON A/C NOT FOR ALL
D. Removal of the Ceiling Supports (if necessary)
F Ceiling Supports ** 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) and the washers (6).
   (3) Carefully move the plate (7) to get access to the support (4).
   (4) Remove the nuts (2), bolts (1) and supports (4) and (8).
   (5) Remove the bolts (9), washers (10) and support (3).
Subtask 25-41-41-020-066-A ** ON A/C NOT FOR ALL
E. Removal of the Lavatory Module
   (1) Remove the door sill:
F Door Sill ** ON A/C NOT FOR ALL
     (a) Remove the screws (2) and the door sill (1).
     (b) Remove the old sealant with a SCRAPER - NON METALLIC.
   (2) Remove the lower attachments:
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
     (a) In the lateral avionics compartment LH at FR16:
  • Remove the bolt (7) and the washer (8).
     (b) In the cockpit:
  • Open the flap (9), loosen the fasteners (10) and remove the container (11).
  • Remove the screws (13) and the plate (12).
     (c) Remove the sealant from around the angle plate (14) with a SCRAPER - NON METALLIC.
     (d) Remove the screws (15), the washers (16) and the angle plate (14).
     (e) Remove the covers (4), the bolts (1) and if necessary, the bushes (2) and (3).
   (3) Remove the upper attachments:
     (a) Remove the quick-release pins (17) and disconnect the tie rod (19) from the aircraft structure.
   (4) Remove the lavatory module:
     (a) Carefully lift the lavatory module and move it to the center of the forward utility area.
     (b) Remove and discard the packings (6).
     (c) If necessary remove the bushes (5).
Subtask 25-41-41-020-067-A ** ON A/C NOT FOR ALL
F. Disassembly of the Lavatory Module (To Remove it from the Aircraft)
F Lavatory Subassemblies ** ON A/C NOT FOR ALL
   (1) Disconnect the electrical connections:
     (a) Disconnect the wires of the electrical harness (13) from the terminal 7330VT with the ELEC CONTACTS INSERTION EXTRACTION TOOL M15.570-16, ESPM 2056410.
   (2) Remove the sealant from around the floor pan (9) with a SCRAPER - NON METALLIC.
   (3) Remove the screws (10) and (12) and the washers (11).
   (4) Remove the lavatory assembly from the floor pan (9).
   (5) Remove the screws (6) and the washers (5).
   (6) Remove the cap (8) and the screw (7).
   (7) Remove the screws (4) and the washers (3).
   (8) Divide the lavatory subassemblies (1) and (2).
   (9) Remove the lavatory subassemblies (1), (2) and (9) from the aircraft.
Subtask 25-41-41-020-066-C ** ON A/C NOT FOR ALL
G. Removal of the Lavatory Module
WARNING: SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.
   (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 upper attachment(s) as follows:
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
     (a) Remove the quick-release pins (14) and disconnect the tie-rods (13) from the aircraft structure.
   (3) Remove the door sill (1) as follows:
F Door Sill ** ON A/C NOT FOR ALL
     (a) Remove the screws (2) and the door sill (1).
     (b) Remove the sealant with the SCRAPER - NON METALLIC.
   (4) Remove the lower attachments as follows:
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
     (a) In the lateral avionics compartment LH at FR16, remove the bolt (7) and the washer (6).
     (b) Remove the sealant from around the angle plate (10) with the SCRAPER - NON METALLIC.
     (c) Remove the screws (8), washers (9) and angle plate (10).
     (d) Remove the bolts (5) and the bushes (4) and (3).
   (5) Remove the lavatory module as follows:
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
F Upper and Lower Attachments ** ON A/C NOT FOR ALL
     (a) Carefully lift the lavatory module and move it to the center of the forward utility area.
     (b) Remove and discard the packings (2).
     (c) If necessary, remove the bushes (1).
Subtask 25-41-41-020-067-B ** ON A/C NOT FOR ALL
H. Disassembly of the Lavatory Module
F Lavatory Subassemblies ** 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 the electrical connections as follows:
     (a) Disconnect the electrical connector (13).
     (b) Cut and discard the cable ties (20) from each mount (21) and release the electrical harness (4).
     (c) Attach the electrical harness (4) to the aircraft structure with the tape Adhesive Film Tape-Masking - - (Material No.05RDA1) .
     (d) Remove the screws (15), washers (16) and bracket (14).
     (e) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Remove the sealant from around the floor pan (10) with the SCRAPER - NON METALLIC.
   (4) Remove the screws (6) and (9) and the washers (7) and (8).
   (5) Remove the lavatory assemblies (3) and (5) from the floor pan (10).
   (6) Remove the screws (1) and the washers (2).
   (7) Remove the cap (17) and the screw (18).
   (8) If installed, remove the washer (19).
   (9) Remove the screws (12) and the washers (11).
   (10) Remove the lavatory assemblies (3) and (5) and the floor pan (10) from the aircraft.
[Rev.10 from 2021] 2026.03.31 23:35:10 UTC
"Aviabrain" 2025