Removal of the TDC AC Sensor 1(2)

TASK 24-22-18-000-001-A
Removal of the TDC AC Sensor 1(2)

ZONE: 126
FIN: 50XU1 ** ON A/C NOT FOR ALL
FIN: 50XU2 ** 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	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
126	LATERAL AVIONIC COMPARTMENT
822

C. Referenced Information

REFERENCE	DESIGNATION
Time Delay Closing (TDC) AC Sensor

3. Job Set-up
Subtask 24-22-18-865-050-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
FOR FIN: 50XU1 (SENSORTDC AC, 1)
122VU	ELEC/GCU/1	2XU1	T26
122VU	ELEC/IDG1/DISC	1XT	T24
FOR FIN: 50XU2 (SENSORTDC AC, 2)
122VU	ELEC/GCU/2	2XU2	T27
122VU	ELEC/IDG2/DISC	2XT	T25

Subtask 24-22-18-010-050-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822 of the electronics compartment.
(2) Open the access door 822.
(3) Open the access door of the relay box 103VU (5).

4. Procedure
Subtask 24-22-18-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the TDC AC Sensor
(1) Hold the sensor (3).
(2) Loosen the screws (4).
(3) Remove the sensor (3).

[Rev.10 from 2021] 2026.03.31 23:22:05 UTC