Removal of the Vacuum System Controller

TASK 38-31-34-000-001-A
Removal of the Vacuum System Controller

FIN: 31MG ** ON A/C NOT FOR ALL

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M(3 FT)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
162AW, 162BW
162GW

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Vacuum System Controller

3. Job Set-up
Subtask 38-31-34-861-050-A ** ON A/C NOT FOR ALL

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

Subtask 38-31-34-865-058-A ** ON A/C NOT FOR ALL

B. 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
2001VU	VACU TOIL SYS-LAV PWR-E	34MG	A04
2001VU	VACU TOIL SYS-LAV PWR-D	39MG	A03
2001VU	VACU TOIL SYS-LAV PWR-A	32MG	A01
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACU-SYS	35MG	A06
2001VU	VACU TOIL SYS-LAV PWR-L	45MG	A02

Subtask 38-31-34-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 1M(3 FT) in position.
(2) Open the AFT cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(3) Remove the access panel 162BW and if necessary the access panel 162AW.

Subtask 38-31-34-010-050-B ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 1M(3 FT) in position.
(2) Open the BULK cargo-compartment door.
(3) Remove the aft corner section and the access panel 162GW.

4. Procedure
Subtask 38-31-34-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Vacuum System Controller 31MG
(1) Loosen the fastener (1).
(2) Remove the vacuum controller (2).

[Rev.10 from 2021] 2026.04.01 01:20:21 UTC