Removal of the Vacuum Generator

TASK 38-31-64-000-001-A
Removal of the Vacuum Generator

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.

WHEN YOU COMPLETE THE WORK PROCEDURE, CLEAN YOUR HANDS WITH SOAP AND WATER. THIS WILL PREVENT INFECTION (TOILET WASTE IS DANGEROUS FOR HEALTH).

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: 37MG

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	2	ACCESS PLATFORM 2M (6 FT)
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.11GCA1)	Deodorant-Aircraft Toilets - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
161DW, 162DW, 826

D. Referenced Information

REFERENCE	DESIGNATION
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 38-31-00-680-001-A	Draining of the Toilet System
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Vacuum Generator 37MG ** ON A/C NOT FOR ALL
Vacuum Generator 37MG ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 38-31-64-861-053-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(1) Put the ACCESS PLATFORM 2M (6 FT) in position.

Subtask 38-31-64-680-051-A

B. Drain Flush and Disinfect 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.

NOTE: This procedure is to make sure that the complete toilet system is disinfected.

Subtask 38-31-64-865-069-A

C. Open, safety and tag this(these) circuit breaker(s):

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 38-31-64-010-050-A

D. 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 at the AFT cargo compartment door 826.
(3) Remove the cargo compartment panels 161DW 162DW (Ref. AMM TASK 25-55-12-000-001).

4. Procedure
Subtask 38-31-64-020-051-B

A. Removal of the Vacuum Generator 37MG

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

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.

(1) Disconnect the electrical connectors (1) 37MG-B and (2) 37MG-A.
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the nut (11) and the washer (10).
(4) Remove the bolt (8) and the bonding strap (9).
(5) Remove the clamps (7) and the hose (6).
(6) Remove the clamps (12) and the hose (13).
(7) Remove the bolts (3) and the washers (4).
(8) Remove the vacuum generator (5) 37MG.
(9) If you use the removed parts again, clean them with disinfectant (Ref. AMM TASK 38-30-00-510-001).

NOTE: It is not necessary to use disinfectant to clean the parts that did not touch human waste.

[Rev.10 from 2021] 2026.04.01 01:20:46 UTC