Cleaning of Vacuum Waste Lines with Chemical Cleaning Agent (and Crushed Ice)

TASK 38-31-00-100-805-A
Cleaning of Vacuum Waste Lines with Chemical Cleaning Agent (and Crushed Ice)

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08AHB1)	Aqueous Cleaner-Toilet System Preventive De-scaling -
(Material No.08CEB8)	Cleaner-Toilet System Specific -
(Material No.11GCA1)	Deodorant-Aircraft Toilets - -
(Material No.14SBA1)	Textile-Lint free Cotton -

B. Referenced Information

REFERENCE	DESIGNATION
TASK 12-16-38-613-001-A	Servicing of the Toilet System
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 38-10-00-614-001-A	Pressurization of the Potable Water System from a Ground Air Supply
TASK 38-10-00-614-003-A	Pressurization of the Potable Water System with the Compressor

3. Job Set-up
Subtask 38-31-00-861-090-A

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 38-31-00-010-106-A

B. Get Access
(1) Get access to the lavatories.

Subtask 38-31-00-865-140-A

C. Make sure that this(these) circuit breaker(s) is(are) closed:

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 38-31-00-860-079-A

D. Aircraft Maintenance Configuration
(1) Do the servicing of the waste holding tank (Ref. AMM TASK 12-16-38-613-001).
(2) Make sure that the potable water system is pressurized (Ref. AMM TASK 38-10-00-614-001) (Ref. AMM TASK 38-10-00-614-003).

4. Procedure
Subtask 38-31-00-100-066-A

A. Cleaning the Toilet Waste Lines

WARNING: ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN YOU DO THIS TASK.

(1) Use the Cleaner-Toilet System Specific - (Material No.08CEB8) or Deodorant-Aircraft Toilets - - (Material No.11GCA1) or Aqueous Cleaner-Toilet System Preventive De-scaling - (Material No.08AHB1) .
(2) Refer to the recommendation of the cleaning agent supplier and to the airline experience.

5. Close-up
Subtask 38-31-00-613-077-A

A. Aircraft Maintenance Configuration
(1) Do the servicing of the waste system (Ref. AMM TASK 12-16-38-613-001).

Subtask 38-31-00-410-112-A

B. Close Access
(1) Dry the area around the toilet with Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the lavatory door(s).

Subtask 38-31-00-862-088-A

C. Put the aircraft back to its initial configuration.
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.01 01:20:12 UTC