DOC AIRBUS | AMM A320FRemoval of the Waste Holding Tank
TASK 38-31-61-000-001-A
Removal of the Waste Holding Tank
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 38-31-61-861-050-A Subtask 38-31-61-680-050-A
Subtask 38-31-61-020-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 01:20:36 UTC
Removal of the Waste Holding Tank
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:
ALWAYS USE RUBBER GLOVES WHEN YOU DO WORK:
- ON THE TOILET WASTE SYSTEM, OR
- ON PARTS THAT HAVE CONTAMINATION FROM THE WASTE SYSTEM.
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.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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.
1. Reason for the JobNOTE: The removal of only one quick-coupler clamp is given. The removal is applicable to all the clamps of this type.
NOTE: More than one person is necessary for this procedure.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | AR | CAP - BLANKING |
| No specific | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.11GCA1) | Deodorant-Aircraft Toilets - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 160 | BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT |
| 170 | AFT CAB U/FLOOR COMPT AFT BHD OF BULK |
| 161DW, 162DW, 826 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 25-55-12-000-001-A | Removal of the Aft Cargo-Compartment Partition at FR65 |
| TASK 38-31-00-680-001-A | Draining of the Toilet System |
| TASK 38-31-00-790-002-A | Leak Test of the Vacuum Toilet System (VTS) |
| TASK 38-31-62-000-001-A | Removal of the Liquid Level Transmitter |
| TASK 38-31-63-000-001-A | Removal of the Liquid Level Sensor |
| TASK 38-31-67-000-001-A | Removal of the Water Separator |
| TASK 38-31-74-000-001-A | Removal of the Waste Tank Drain Line |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-003-A | Open the FWD or Aft Cargo-Compartment Door with the Hand Pump |
| TASK 53-43-11-000-001-A | Removal of the Support Strut |
Waste Holding Tank 3300MMSubtask 38-31-61-861-050-A Subtask 38-31-61-680-050-A
B. Draining, Flushing and Disinfection of Waste Holding Tank 3300MM
(1) Drain and flush the waste holding tank (Ref. AMM TASK 38-31-00-680-001).
(2) Put 2. l (0.5283 USgal) of Deodorant-Aircraft Toilets - - (Material No.11GCA1) in each toilet bowl and flush them through.
Subtask 38-31-61-790-050-A (1) Drain and flush the waste holding tank (Ref. AMM TASK 38-31-00-680-001).
(2) Put 2. l (0.5283 USgal) of Deodorant-Aircraft Toilets - - (Material No.11GCA1) in each toilet bowl and flush them through.
NOTE: This procedure is to make sure that the full toilet system is disinfected.
(3) Drain the waste holding tank again to remove the disinfectant. C. Do the leak test of the vacuum toilet system and record the results of the test (Ref. AMM TASK 38-31-00-790-002).
Subtask 38-31-61-865-067-A D. Open, safety and tag this(these) circuit breaker(s):
Subtask 38-31-61-010-052-C | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-VACUUM-SYS | 35MG | A06 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-VACUUM-GEN | 33MG | A08 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-E | 34MG | A04 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-D | 39MG | A03 |
| ** ON A/C ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-A | 32MG | A01 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-VACU-SYS | 35MG | A06 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-VACU-GEN | 33MG | A08 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-G | 34MG | A04 |
| 2001VU | VACU TOIL SYS-LAV PWR-F | 39MG | A03 |
| 2001VU | VACU TOIL SYS-LAV PWR-D | 45MG | A02 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-L | 45MG | A02 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-L | 23MG | A05 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | VACU TOIL SYS-LAV PWR-M | 34MG | A04 |
E. Get Access
(1) Open aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at aft cargo-compartment door 826.
(3) Set cargo-compartment light switch 8LU to ON.
(4) Remove partitions 161DW and 162DW (Ref. AMM TASK 25-55-12-000-001).
(5) Remove the center support strut at FR65 (Ref. AMM TASK 53-43-11-000-001).
(6) If the insulation is installed around the waste holding tank, remove it.
4. Procedure(1) Open aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at aft cargo-compartment door 826.
(3) Set cargo-compartment light switch 8LU to ON.
(4) Remove partitions 161DW and 162DW (Ref. AMM TASK 25-55-12-000-001).
(5) Remove the center support strut at FR65 (Ref. AMM TASK 53-43-11-000-001).
(6) If the insulation is installed around the waste holding tank, remove it.
Subtask 38-31-61-020-053-A ** ON A/C NOT FOR ALL
A. Removal of Waste Holding Tank 3300MM
(b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(2) Remove the pipe (15) from liquid level transmitter 40MG.
(3) Remove liquid level transmitter 40MG (Ref. AMM TASK 38-31-62-000-001).
(4) Remove the clamps (26) as follows:
(a) Unlock and remove the clamps (26).
(b) Move the sleeves (27) away from the clamps (26).
(c) Remove the packings (28) and discard them.
(5) Remove the nuts (25) and the washers (24).
(6) Remove the screws (21) and the washers (22).
(7) Remove the clamps (23).
(8) Remove the screws (18) and the washers (19).
(9) Remove the bracket (20).
(10) Remove the waste pipes (3), (4), (5), (7) and (8).
(11) Put the PLUG-BLANKING in each disconnected line end.
(12) Remove the water separator (Ref. AMM TASK 38-31-67-000-001).
(13) Disconnect the connections (29) of the rinse lines.
(15) Remove the tank drain line (6) (Ref. AMM TASK 38-31-74-000-001).
(16) Put marks on the tank and the mounting brackets to find their correct installation positions again.
(17) Remove the quick coupler clamps (2).
(18) Remove waste holding tank 3300MM (1).
Subtask 38-31-61-020-053-C ** ON A/C NOT FOR ALL WARNING:
ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO THIS TASK.
(1) Disconnect the electrical connectors as follows:CAUTION:
MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
(a) Disconnect the electrical connectors (16) and (17).(b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(2) Remove the pipe (15) from liquid level transmitter 40MG.
(3) Remove liquid level transmitter 40MG (Ref. AMM TASK 38-31-62-000-001).
(4) Remove the clamps (26) as follows:
(a) Unlock and remove the clamps (26).
(b) Move the sleeves (27) away from the clamps (26).
(c) Remove the packings (28) and discard them.
(5) Remove the nuts (25) and the washers (24).
(6) Remove the screws (21) and the washers (22).
(7) Remove the clamps (23).
(8) Remove the screws (18) and the washers (19).
(9) Remove the bracket (20).
(10) Remove the waste pipes (3), (4), (5), (7) and (8).
(11) Put the PLUG-BLANKING in each disconnected line end.
(12) Remove the water separator (Ref. AMM TASK 38-31-67-000-001).
(13) Disconnect the connections (29) of the rinse lines.
CAUTION:
MAKE SURE THAT THE ELECTRICAL WIRE(S) IS(ARE) DISCONNECTED BEFORE YOU DISCONNECT THE BONDING STRAP(S).
(14) If applicable, remove the nut (12), washer (11), bolt (10) and bonding strap (9).(15) Remove the tank drain line (6) (Ref. AMM TASK 38-31-74-000-001).
(16) Put marks on the tank and the mounting brackets to find their correct installation positions again.
(17) Remove the quick coupler clamps (2).
(18) Remove waste holding tank 3300MM (1).
A. Removal of Waste Holding Tank 3300MM
(b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(2) Disconnect the bonding strap:
(b) Disconnect the bonding strap (5).
(3) Remove the waste tank drain-line (Ref. AMM TASK 38-31-74-000-001).
(4) Remove the water separator (Ref. AMM TASK 38-31-67-000-001).
(5) Disconnect the rinse line connections (12) from the waste tank (1).
(6) Put the PLUG-BLANKING in each disconnected line end.
(7) Disconnect the connection (7) from liquid level transmitter 40MG (8).
(8) Put the PLUG-BLANKING in each disconnected line end.
(9) Remove liquid level transmitter 40MG (8) (Ref. AMM TASK 38-31-62-000-001).
(10) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(11) Remove the waste pipes (2), (3) and (6):
(a) Disconnect the waste pipes (2) and (6):
1 Unlock the quick-coupler clamps (14).
2 Hold the waste pipes and remove the quick-coupler clamps (14).
3 Move the sleeves (15) to one side.
4 Remove and discard the packings (13).
(b) Remove the waste pipe (2) and (6) from the waste tank (1).
(c) Put the PLUG-BLANKING in each disconnected line end.
(d) Remove the waste pipe (3):
1 Remove the screws (18) and the washers (17).
2 Remove the clamps (16).
3 Remove the waste pipe (3).
4 Put the PLUG-BLANKING in each disconnected line end.
(12) Loosen and remove the clamps (4).
(13) Remove waste holding tank 3300MM (1).
Subtask 38-31-61-020-053-D ** ON A/C NOT FOR ALL WARNING:
ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO THIS TASK.
(1) Disconnect the electrical connectors: CAUTION:
MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
(a) Disconnect the electrical connectors (9) and (11). (b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(2) Disconnect the bonding strap:
CAUTION:
MAKE SURE THAT THE ELECTRICAL WIRE(S) IS(ARE) DISCONNECTED BEFORE YOU DISCONNECT THE BONDING STRAP(S).
(a) Remove the nut (21), the washer (20) and the bolt (19). (b) Disconnect the bonding strap (5).
(3) Remove the waste tank drain-line (Ref. AMM TASK 38-31-74-000-001).
(4) Remove the water separator (Ref. AMM TASK 38-31-67-000-001).
(5) Disconnect the rinse line connections (12) from the waste tank (1).
(6) Put the PLUG-BLANKING in each disconnected line end.
(7) Disconnect the connection (7) from liquid level transmitter 40MG (8).
(8) Put the PLUG-BLANKING in each disconnected line end.
(9) Remove liquid level transmitter 40MG (8) (Ref. AMM TASK 38-31-62-000-001).
(10) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(11) Remove the waste pipes (2), (3) and (6):
(a) Disconnect the waste pipes (2) and (6):
1 Unlock the quick-coupler clamps (14).
2 Hold the waste pipes and remove the quick-coupler clamps (14).
3 Move the sleeves (15) to one side.
4 Remove and discard the packings (13).
(b) Remove the waste pipe (2) and (6) from the waste tank (1).
(c) Put the PLUG-BLANKING in each disconnected line end.
(d) Remove the waste pipe (3):
1 Remove the screws (18) and the washers (17).
2 Remove the clamps (16).
3 Remove the waste pipe (3).
4 Put the PLUG-BLANKING in each disconnected line end.
(12) Loosen and remove the clamps (4).
(13) Remove waste holding tank 3300MM (1).
A. Removal of Waste Holding Tank 3300MM
(b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(2) Disconnect the bonding strap:
(b) Disconnect the bonding strap (5).
(3) Remove the waste tank drain-line (Ref. AMM TASK 38-31-74-000-001).
(4) Remove the water separator (Ref. AMM TASK 38-31-67-000-001).
(5) Disconnect the rinse line connections (12) from the waste tank (1).
(6) Put the PLUG-BLANKING in each disconnected line end.
(7) Disconnect the connection (7) from liquid level transmitter 40MG (8).
(8) Put the PLUG-BLANKING in each disconnected line end.
(9) Remove liquid level transmitter 40MG (8) (Ref. AMM TASK 38-31-62-000-001).
(10) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(11) Remove the waste pipes (2), (3) and (6):
(a) Disconnect the waste pipes (2), (3) and (6):
1 Unlock the quick-coupler clamps (14).
2 Hold the waste pipes (2), (3) and (6) and remove the quick-coupler clamps (14).
3 Move the sleeves (15) to one side.
4 Remove and discard the O-rings (13).
(b) Remove the waste pipe (2) from the waste tank (1).
(c) Put the PLUG-BLANKING in each disconnected line end.
(d) Remove the waste pipes (3) and (6):
1 Hold the waste pipes (3) and (6).
2 Remove the screws (18) and the washers (17).
3 Remove the clamps (16).
4 Remove the waste pipes (3) and (6).
5 Put the PLUG-BLANKING in each disconnected line end.
(12) Loosen and remove the clamps (4).
(13) Remove waste holding tank 3300MM (1).
Subtask 38-31-61-860-050-A ** ON A/C NOT FOR ALL WARNING:
ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO THIS TASK.
(1) Disconnect the electrical connectors: CAUTION:
MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
(a) Disconnect the electrical connectors (9) and (11). (b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(2) Disconnect the bonding strap:
CAUTION:
MAKE SURE THAT THE ELECTRICAL WIRE(S) IS(ARE) DISCONNECTED BEFORE YOU DISCONNECT THE BONDING STRAP(S).
(a) Remove the nut (21), the washer (20) and the bolt (19). (b) Disconnect the bonding strap (5).
(3) Remove the waste tank drain-line (Ref. AMM TASK 38-31-74-000-001).
(4) Remove the water separator (Ref. AMM TASK 38-31-67-000-001).
(5) Disconnect the rinse line connections (12) from the waste tank (1).
(6) Put the PLUG-BLANKING in each disconnected line end.
(7) Disconnect the connection (7) from liquid level transmitter 40MG (8).
(8) Put the PLUG-BLANKING in each disconnected line end.
(9) Remove liquid level transmitter 40MG (8) (Ref. AMM TASK 38-31-62-000-001).
(10) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(11) Remove the waste pipes (2), (3) and (6):
(a) Disconnect the waste pipes (2), (3) and (6):
1 Unlock the quick-coupler clamps (14).
2 Hold the waste pipes (2), (3) and (6) and remove the quick-coupler clamps (14).
3 Move the sleeves (15) to one side.
4 Remove and discard the O-rings (13).
(b) Remove the waste pipe (2) from the waste tank (1).
(c) Put the PLUG-BLANKING in each disconnected line end.
(d) Remove the waste pipes (3) and (6):
1 Hold the waste pipes (3) and (6).
2 Remove the screws (18) and the washers (17).
3 Remove the clamps (16).
4 Remove the waste pipes (3) and (6).
5 Put the PLUG-BLANKING in each disconnected line end.
(12) Loosen and remove the clamps (4).
(13) Remove waste holding tank 3300MM (1).
B. Removal of the Components
(1) If necessary, remove level sensor 41MG from waste holding tank 3300MM (Ref. AMM TASK 38-31-63-000-001).
Subtask 38-31-61-860-050-C ** ON A/C NOT FOR ALL (1) If necessary, remove level sensor 41MG from waste holding tank 3300MM (Ref. AMM TASK 38-31-63-000-001).
B. Removal of the Components
(1) If necessary, remove level sensor 41MG (10) from waste holding tank 3300MM (Ref. AMM TASK 38-31-63-000-001).
(1) If necessary, remove level sensor 41MG (10) from waste holding tank 3300MM (Ref. AMM TASK 38-31-63-000-001).