DOC AIRBUS | AMM A320FRemoval of the Waste Drain Valve
TASK 38-31-71-000-001-A
Removal of the Waste Drain Valve
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 38-31-71-861-050-A Subtask 38-31-71-680-050-A Subtask 38-31-71-790-050-A
Subtask 38-31-71-020-050-A
[Rev.10 from 2021]
2026.04.01 01:20:59 UTC
Removal of the Waste Drain Valve
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.
FIN: 3340MM
1. Reason for the JobSelf explanatory
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 | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 162DW |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 25-55-12-000-001-A | Removal of the Aft Cargo-Compartment Partition at FR65 |
| TASK 38-30-00-510-001-A | Decontamination of Components of the Waste/Water and Toilet System for Shipping and/or Installation |
| 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 38-31-74-000-001-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 |
Waste Drain ValveSubtask 38-31-71-861-050-A Subtask 38-31-71-680-050-A Subtask 38-31-71-790-050-A
C. Do the leak test of the vacuum toilet system and record the result of the test (Ref. AMM TASK 38-31-00-790-002).
Subtask 38-31-71-865-064-A D. Open, safety and tag this(these) circuit breaker(s):
Subtask 38-31-71-010-050-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 the AFT cargo compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position.
(3) Remove access panel 162DW (Ref. AMM TASK 25-55-12-000-001).
(4) Remove the insulation from around the waste drain valve.
4. Procedure(1) Open the AFT cargo compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position.
(3) Remove access panel 162DW (Ref. AMM TASK 25-55-12-000-001).
(4) Remove the insulation from around the waste drain valve.
Subtask 38-31-71-020-050-A
A. Removal of the Waste Drain Valve 3340MM
(2) Remove the nut (3) and the washer (2).
(3) Remove the bolt (1).
(4) Remove the control lever (5).
(5) Remove the nuts (8), washers (7) and bolts (6).
(6) Remove the waste drain valve 3340MM (9) and discard the O-ring (4).
(7) Put the PLUG-BLANKING in each disconnected line end.
(8) Clean the component interfaces and the adjacent area.
(9) If you use removed parts again, clean and disinfect them (Ref. AMM TASK 38-30-00-510-001).
WARNING:
ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO THIS TASK.
(1) Remove the tank drain line (10) (Ref. AMM TASK 38-31-74-000-001). (2) Remove the nut (3) and the washer (2).
(3) Remove the bolt (1).
(4) Remove the control lever (5).
(5) Remove the nuts (8), washers (7) and bolts (6).
(6) Remove the waste drain valve 3340MM (9) and discard the O-ring (4).
(7) Put the PLUG-BLANKING in each disconnected line end.
(8) Clean the component interfaces and the adjacent area.
(9) If you use removed parts again, clean and disinfect them (Ref. AMM TASK 38-30-00-510-001).