Removal of the Drain Valve Control
TASK 38-32-42-000-004-A
Removal of the Drain Valve Control
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 38-32-42-861-052-A ** ON A/C NOT FOR ALL Subtask 38-32-42-010-057-A ** ON A/C NOT FOR ALL
Subtask 38-32-42-020-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:25:59 UTC
Removal of the Drain Valve Control
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 38-30-00-510-001-A | Decontamination of Components of the Waste/Water and Toilet System for Shipping and/or Installation |
Subtask 38-32-42-861-052-A ** ON A/C NOT FOR ALL Subtask 38-32-42-010-057-A ** ON A/C NOT FOR ALL
B. Get Access
(1) Open the door of the related lavatory.
(2) Open the sanitary cabinet door.
(3) Close the potable-water shutoff valve (30).
4. Procedure(1) Open the door of the related lavatory.
(2) Open the sanitary cabinet door.
(3) Close the potable-water shutoff valve (30).
Subtask 38-32-42-020-053-A ** ON A/C NOT FOR ALL
A. Remove the Drain Valve Control
(1) Disengage the control rod (15) and the connecting block (11) from the drain valve control:
(a) Remove the locknut (14), the stud (13) and the lock spring (12).
(b) Hold the connecting block (11) and pull the lever (1) up until it is free from the connecting block (11).
(c) Remove the plastic stop (10).
(2) Remove the locknut (6) and the stud (7).
(3) Remove the nut (9), the wave spring (8) and the washer (5).
(4) Remove the plunger (2) and the gasket (3).
(5) Discard the gasket (3).
(6) If you will use the removed parts again, clean and disinfect them (Ref. AMM TASK 38-30-00-510-001).
(1) Disengage the control rod (15) and the connecting block (11) from the drain valve control:
(a) Remove the locknut (14), the stud (13) and the lock spring (12).
(b) Hold the connecting block (11) and pull the lever (1) up until it is free from the connecting block (11).
(c) Remove the plastic stop (10).
(2) Remove the locknut (6) and the stud (7).
(3) Remove the nut (9), the wave spring (8) and the washer (5).
(4) Remove the plunger (2) and the gasket (3).
(5) Discard the gasket (3).
(6) If you will use the removed parts again, clean and disinfect them (Ref. AMM TASK 38-30-00-510-001).
Shutoff Valve