Removal of the Liquid Level Transmitter
TASK 38-31-62-000-001-A
Removal of the Liquid Level Transmitter
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 38-31-62-861-050-A Subtask 38-31-62-010-050-A
Subtask 38-31-62-560-050-C
[Rev.10 from 2021]
2026.04.01 01:20:39 UTC
Removal 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.
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.
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 | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | 1 | BLOWING EQUIPMENT - DRY AIR |
| No specific | AR | CAP - BLANKING |
| No specific | AR | CONTAINER 1 L (1/4 USGAL) |
| No specific | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.11GCA1) | Deodorant-Aircraft Toilets - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 162DW |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-23-38-000-001-A | Removal of the Tube 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 25-55-12-000-001-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 38-31-00-100-009-A | Cleaning of the Liquid Level Transmitter (LLT) Reference Line |
| 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 38-31-67-000-001-A | Removal of the Water Separator |
| TASK 38-31-67-400-001-A | Installation of the Water Separator |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
Subtask 38-31-62-861-050-A Subtask 38-31-62-010-050-A
B. 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).
Subtask 38-31-62-680-050-A (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).
C. Draining, Flushing and Disinfection of the Waste System
(1) Drain and flush the waste 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 38-31-62-790-051-A (1) Drain and flush the waste 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.
D. 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 38-31-62-865-063-A E. Open, safety and tag this(these) circuit breaker(s):
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 38-31-62-560-050-C
A. Preparation for Removal of the Liquid Level Transmitter 40MG
(b) Do the inspection of the waste holding tank.
(c) If necessary, drain the waste holding tank (Ref. AMM TASK 38-31-00-680-001).
(d) Install the water separator (Ref. AMM TASK 38-31-67-400-001).
(2) Remove the insulation from around the liquid level transmitter (3).
(3) Disconnect the electrical connector (5).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Put a CONTAINER 1 L (1/4 USGAL) below the liquid level transmitter (3).
(6) Disconnect the reference line (4) (Ref. AMM TASK 20-23-38-000-001).
(7) Examine the reference line (4) for contamination. If necessary, clean the reference line (4) (Ref. AMM TASK 38-31-00-100-009).
(8) Use a BLOWING EQUIPMENT - DRY AIR and blow the reference line (4) and the transmitter fitting (8) dry.
(9) Put the PLUG-BLANKING in each disconnected line end.
Subtask 38-31-62-020-052-A ** ON A/C NOT FOR ALL WARNING:
ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO THIS TASK.
(1) Make sure that the waste holding tank is empty: NOTE: This step is necessary if the quantity indication system is defective.
(a) Remove the water separator (Ref. AMM TASK 38-31-67-000-001). (b) Do the inspection of the waste holding tank.
(c) If necessary, drain the waste holding tank (Ref. AMM TASK 38-31-00-680-001).
(d) Install the water separator (Ref. AMM TASK 38-31-67-400-001).
(2) Remove the insulation from around the liquid level transmitter (3).
(3) Disconnect the electrical connector (5).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Put a CONTAINER 1 L (1/4 USGAL) below the liquid level transmitter (3).
(6) Disconnect the reference line (4) (Ref. AMM TASK 20-23-38-000-001).
(7) Examine the reference line (4) for contamination. If necessary, clean the reference line (4) (Ref. AMM TASK 38-31-00-100-009).
(8) Use a BLOWING EQUIPMENT - DRY AIR and blow the reference line (4) and the transmitter fitting (8) dry.
(9) Put the PLUG-BLANKING in each disconnected line end.
B. Removal of the Liquid Level Transmitter 40MG
(2) Remove the liquid level transmitter (3) from the waste tank 3300MM (1).
(3) Remove and discard the packing (2).
(4) If you use removed parts again, clean and disinfect them (Ref. AMM TASK 38-30-00-510-001).
Subtask 38-31-62-020-052-B ** ON A/C NOT FOR ALL WARNING:
ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO THIS TASK.
(1) Remove the nuts (6) and the washers (7). (2) Remove the liquid level transmitter (3) from the waste tank 3300MM (1).
(3) Remove and discard the packing (2).
(4) If you use removed parts again, clean and disinfect them (Ref. AMM TASK 38-30-00-510-001).
B. Removal of the Liquid Level Transmitter 40MG
(2) Remove the liquid level transmitter (3) from the waste tank 3300MM (1).
(3) Remove and discard the packing (2).
(4) 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 screws (6) and the washers (7). (2) Remove the liquid level transmitter (3) from the waste tank 3300MM (1).
(3) Remove and discard the packing (2).
(4) If you use removed parts again, clean and disinfect them (Ref. AMM TASK 38-30-00-510-001).
Liquid Level Transmitter 40MG