Removal of the RAT Ground Control Unit

TASK 29-22-12-000-003-A
Removal of the RAT Ground Control Unit

FIN: 3GE

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
197EB

C. Referenced Information

REFERENCE	DESIGNATION
RAT Ground Control Unit

3. Job Set-up
Subtask 29-22-12-865-055-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	HYD/RAT/CTL	2801GE	D14
** ON A/C NOT FOR ALL
49VU	HYD/RAT/CTL	2801GE	B13

Subtask 29-22-12-010-052-A

B. Open the access panel 197EB.

4. Procedure
Subtask 29-22-12-020-052-A

A. Removal of the RAT Ground Control Unit
(1) Remove the screws (2).
(2) Carefully, pull the RAT ground control unit (3) out of the Blue ground service panel (1) so that you can remove the connector.
(3) Disconnect the electrical connector (4) from the RAT ground control unit (3).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Remove the screw (5), the washer (6) and the bonding strap (7) from the RAT ground control unit (3).
(6) Remove the RAT ground control unit (3) from the Blue ground service panel (1).

[Rev.10 from 2021] 2026.04.01 00:26:09 UTC