Draining of the Vacuum Toilets is Too Slow

TASK 38-31-00-810-821-A
Draining of the Vacuum Toilets is Too Slow

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 38-30-00-615-002	Blockage Removal (Orbital Flush Valve)
AMM 38-31-00-100-004	Cleaning of the Toilet Waste Lines with High Pressure Equipment VACLAV 1
AMM 38-31-00-100-005	Cleaning of the Toilet Waste Lines with Crushed Ice
AMM 38-31-00-100-006	Cleaning of the Flow Diverter in the Waste Holding Tank
AMM 38-31-00-100-007	Removal of Blockages at the Inlet Area of the Waste Holding Tank
AMM 38-31-00-710-002	Operational Test of the Vacuum Toilet System

3. Fault Confirmation
Subtask 38-31-00-710-088-A

A. Test
(1) Do a test of the vacuum toilet system AMM 38-31-00-710-002.

4. Fault Isolation
Subtask 38-31-00-810-101-D

A. If the toilet(s) does (do) not flush normally:

(1) If the fault continues:

NOTE: The most possible areas for blockage build-up in the waste lines are:

(2) If the fault continues:

(3) If the fault continues:

(4) If the fault continues:

NOTE: It is recommended to clean the waste tank and the waste lines more often to improve the reliability of the system.

Subtask 38-31-00-710-089-A

B. Do the test as given in paragraph 3. A. and check the correct operation of the toilet system.

[Rev.8 from Aug 2018] 2026.04.04 04:34:14 UTC