Removal of the Essential Transformer Rectifier

TASK 24-34-51-000-001-A
Removal of the Essential Transformer Rectifier

ZONE: 125
FIN: 1PE

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
No specific	AR	SLEEVE - INSULATING

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
125	LATERAL AVIONIC COMPARTMENT
812

C. Referenced Information

REFERENCE	DESIGNATION
Essential Transformer Rectifier

3. Job Set-up
Subtask 24-34-51-010-050-A

A. Aircraft Maintenance Configuration
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE at the avionics compartment door 812.
(2) Open the access door 812.
(3) Open the access panel of the AC/DC emergency power center 106VU.

Subtask 24-34-51-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
106VU	ESS TR/SPLY	4PE	C01

4. Procedure
Subtask 24-34-51-020-050-A

A. Removal of the Essential Transformer Rectifier
(1) Remove the protective caps from the output terminals (8).
(2) Remove the nuts (5), (10) and the washers (6), (9).
(3) Disengage the lugs (7) from the output terminals.
(4) Put an SLEEVE - INSULATING on the lugs.
(5) Disconnect the connectors (4).
(6) Put CAP - BLANKING on the connectors.
(7) Remove the screws (3) and the washers (2).
(8) Remove the transformer rectifier (1).

[Rev.10 from 2021] 2026.03.31 23:23:31 UTC