Removal of the Digital Interface Unit (DIU)

TASK 23-34-34-000-001-A
Removal of the Digital Interface Unit (DIU)

ZONE: 128
FIN: 190MH ** 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 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
128	REAR AVIONIC COMPARTMENT
824

C. Referenced Information

REFERENCE	DESIGNATION
Digital Interface Unit

3. Job Set-up
Subtask 23-34-34-865-056-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	PES PFIS	189MH	C07

Subtask 23-34-34-010-050-A ** ON A/C NOT FOR ALL

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.

4. Procedure
Subtask 23-34-34-020-050-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.02 06:12:08 UTC