Removal of the Transformer Rectifier

TASK 24-32-51-000-001-A
Removal of the Transformer Rectifier

WARNING: MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT ELECTRICAL CIRCUITS. THERE IS A RISK OF ELECTROCUTION IF THE AC OR DC POWER STAYS CONNECTED.

ZONE: 126
FIN: 1PU1
FIN: 1PU2

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
126	LATERAL AVIONIC COMPARTMENT
822

C. Referenced Information

REFERENCE	DESIGNATION
Transformer Rectifier

3. Job Set-up
Subtask 24-32-51-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 1PU1 (TR1)
123VU	TR1/SPLY	2PU1	AB10
FOR FIN: 1PU2 (TR2)
123VU	TR2/SVCE/BUS 2/SPLY	1XX	AB08
123VU	TR2/214XP/SPLY	2PU2	AB04

Subtask 24-32-51-010-050-A

B. Get access to the avionics compartment.
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE at the access door 822.
(2) Open the access door 822.

4. Procedure
Subtask 24-32-51-020-050-A

A. Removal of the Transformer Rectifier
(1) Remove the protective caps (7) from the DC output terminals (2).
(2) Remove the nuts (5), (8) and the washers (4), (9).
(3) Disengage the lugs (3) from the output terminals.
(4) Put SLEEVE - INSULATING on the lugs (3).
(5) Disconnect the connectors (6).
(6) Put CAP - BLANKING on the connectors.
(7) Remove the screws (11) and the washers (10).
(8) Pull the transformer rectifier (1) to remove it.

[Rev.10 from 2021] 2026.04.01 05:49:28 UTC