Removal of the DMC

TASK 31-63-34-000-001-A
Removal of the DMC

ZONE: 127
ZONE: 128
FIN: 1WT1
FIN: 1WT2
FIN: 1WT3

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 2M (6 FT) - ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
127	REAR AVIONIC COMPARTMENT
128	REAR AVIONIC COMPARTMENT
824

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
DMC

3. Job Set-up
Subtask 31-63-34-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1WT1 (DMC1)
49VU	EIS/DMC1/SPLY	10WT1	E11
49VU	EIS/DMC1/SWTG	21WT1	E09
** ON A/C NOT FOR ALL
49VU	EIS/DMC1/SPLY	10WT1	E10
49VU	EIS/DMC1/SWTG	21WT1	E08
** ON A/C ALL
FOR FIN: 1WT2 (DMC2)
121VU	EIS/DMC2/SPLY	10WT2	Q08
121VU	EIS/DMC2/SWTG	21WT2	R08
FOR FIN: 1WT3 (DMC3)
49VU	EIS/DMC3/SWTG	21WT3	E07
121VU	EIS/DMC3/SPLY	10WT3	Q09

Subtask 31-63-34-010-050-A

B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 824 in zone 128.
(2) Open the access door 824 (Ref. AMM TASK 52-41-00-010-002).

4. Procedure
Subtask 31-63-34-020-050-A

A. Removal of the DMC
(1) Loosen the nuts (3) on the front of the rack (2).
(2) Lower the nuts (3).
(3) Pull the DMC (5) on its rack (2) to disconnect the electrical connectors (1).
(4) Remove the DMC (5) from its rack (2).
(5) Put CAP - BLANKING on the electrical connectors (1).

[Rev.10 from 2021] 2026.04.01 00:38:33 UTC