DOC AIRBUS | AMM A320FInstallation of the Liquid Level Transmitter
TASK 38-31-62-400-001-A
Installation of the Liquid Level Transmitter
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 38-31-62-860-050-A
Subtask 38-31-62-420-050-A ** ON A/C NOT FOR ALL
Subtask 38-31-62-680-051-A
[Rev.10 from 2021]
2026.04.01 01:20:40 UTC
Installation of the Liquid Level Transmitter
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.
FIN: 40MG
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | Torque wrench: range to between 0.11 and 0.09 m.daN (9.73 and 7.96 lbf.in )  | |
| No specific | Torque wrench: range to between 0.16 and 0.14 m.daN (14.16 and 12.39 lbf.in ) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 162DW |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 2 | PACKING | AIPC 38-31-04-34-050 |
| 2 | PACKING | AIPC 38-31-84-44-140 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-16-38-613-001-A | Servicing of the Toilet System |
| TASK 20-23-38-400-003-A | Installation of the Tube Assembly of the Potable Water and the associated Air Supply System |
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 25-55-12-400-001-A | Installation of the Aft Cargo-Compartment Partition at FR65 |
| TASK 38-31-00-680-001-A | Draining of the Toilet System |
| TASK 38-31-00-720-002-A | Functional Test of the Liquid Level Sensor and Transmitter |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
Liquid Level Transmitter 40MGSubtask 38-31-62-860-050-A
A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized from the external power (Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the toilet system is drained (Ref. AMM TASK 38-31-00-680-001).
Subtask 38-31-62-865-064-A (1) Make sure that the ground service network is energized from the external power (Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the toilet system is drained (Ref. AMM TASK 38-31-00-680-001).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| 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 |
Subtask 38-31-62-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Liquid Level Transmitter 40MG
(1) Put the new AIPC 38-31-04-34-050 PACKING (2) in its installation position.
(2) Put the liquid level transmitter (3) in its installation position.
(3) Make sure that the transmitter fitting (8) is in line with the connection (4).
(4) Install the washers (7) and the nuts (6).
(5) TORQUE the nuts (6) to between 0.11 and 0.09 m.daN (9.73 and 7.96 lbf.in ).
(6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) Connect the electrical connector (5).
(8) Remove the PLUG-BLANKING from each disconnected line end.
(9) Connect the reference line (4) (Ref. AMM TASK 20-23-38-400-003).
Subtask 38-31-62-420-050-B ** ON A/C NOT FOR ALL (1) Put the new AIPC 38-31-04-34-050 PACKING (2) in its installation position.
(2) Put the liquid level transmitter (3) in its installation position.
(3) Make sure that the transmitter fitting (8) is in line with the connection (4).
(4) Install the washers (7) and the nuts (6).
(5) TORQUE the nuts (6) to between 0.11 and 0.09 m.daN (9.73 and 7.96 lbf.in )
. (6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) Connect the electrical connector (5).
(8) Remove the PLUG-BLANKING from each disconnected line end.
(9) Connect the reference line (4) (Ref. AMM TASK 20-23-38-400-003).
A. Installation of the Liquid Level Transmitter 40MG
(1) Put the liquid level transmitter (3) with the new AIPC 38-31-04-34-050 PACKING (2) or AIPC 38-31-84-44-140 PACKING (2) in position on the waste tank 3300MM (1).
(2) Make sure that the transmitter fitting (8) aligns with the reference line (4).
(3) Install the washers (7) and the screws (6).
(4) TORQUE the screws (6) to between 0.16 and 0.14 m.daN (14.16 and 12.39 lbf.in ).
(5) Remove the CAP-BLANKING from each electrical connector and receptacle.
(6) Connect the electrical connector (5).
(7) Remove the PLUG-BLANKING from each disconnected line end.
(8) Connect the reference line (4) (Ref. AMM TASK 20-23-38-400-003).
Subtask 38-31-62-865-065-A (1) Put the liquid level transmitter (3) with the new AIPC 38-31-04-34-050 PACKING (2) or AIPC 38-31-84-44-140 PACKING (2) in position on the waste tank 3300MM (1).
(2) Make sure that the transmitter fitting (8) aligns with the reference line (4).
(3) Install the washers (7) and the screws (6).
(4) TORQUE the screws (6) to between 0.16 and 0.14 m.daN (14.16 and 12.39 lbf.in )
. (5) Remove the CAP-BLANKING from each electrical connector and receptacle.
(6) Connect the electrical connector (5).
(7) Remove the PLUG-BLANKING from each disconnected line end.
(8) Connect the reference line (4) (Ref. AMM TASK 20-23-38-400-003).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 38-31-62-720-050-A | 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 |
C. Functional Test
(1) Do the functional test of the liquid level sensor and the transmitter (Ref. AMM TASK 38-31-00-720-002).
(a) Make sure that there is no water leak at the liquid-level transmitter flange during this test.
Subtask 38-31-62-790-050-A (1) Do the functional test of the liquid level sensor and the transmitter (Ref. AMM TASK 38-31-00-720-002).
(a) Make sure that there is no water leak at the liquid-level transmitter flange during this test.
DELETED
5. Close-upSubtask 38-31-62-680-051-A
A. Draining of the Waste Holding Tank
(1) Drain the waste holding tank (Ref. AMM TASK 38-31-00-680-001).
Subtask 38-31-62-613-050-A (1) Drain the waste holding tank (Ref. AMM TASK 38-31-00-680-001).
B. Servicing of the Waste Holding Tank
(1) Service the waste holding tank (Ref. AMM TASK 12-16-38-613-001).
Subtask 38-31-62-410-050-C (1) Service the waste holding tank (Ref. AMM TASK 12-16-38-613-001).
C. Close Access
(1) Install the insulation around the liquid level transmitter.
(2) Remove the container.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Install access panel 162DW (Ref. AMM TASK 25-55-12-400-001).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(6) Close the AFT cargo compartment door (Ref. AMM TASK 52-30-00-860-002).
(1) Install the insulation around the liquid level transmitter.
(2) Remove the container.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Install access panel 162DW (Ref. AMM TASK 25-55-12-400-001).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(6) Close the AFT cargo compartment door (Ref. AMM TASK 52-30-00-860-002).