Removal of the RUD TRIM/RESET Pushbutton Switch

TASK 22-62-12-000-001-A
Removal of the RUD TRIM/RESET Pushbutton Switch

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: MAKE SURE THAT THE WHEEL CHOCKS ARE IN POSITION. MOVEMENT OF THE AIRCRAFT CAN BE DANGEROUS.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

ZONE: 210
FIN: 8CC

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
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

C. Referenced Information

REFERENCE	DESIGNATION
RUD TRIM/RESET Pushbutton Switch

3. Job Set-up
Subtask 22-62-12-875-052-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
** ON A/C ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	HYDRAULIC/PARK BRK/CTL/STBY	71GG	N37
121VU	HYDRAULIC/PARK BRK/CTL/NORM	70GG	N36
122VU	LIGHTING/INSTL LT/MAIN INST/PNL AND/PED	4LF	Y04

4. Procedure
Subtask 22-62-12-020-050-A

A. Removal of the Panel 110VU

RUD TRIM/RESET Pushbutton Switch

(1) Loosen the four quarter-turn fasteners (11) to release the panel 110VU (16).
(2) Carefully lift the panel 110VU (16) to get access to the electrical connectors (13).
(3) Disconnect the four electrical connectors (13).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Remove the panel 110VU (16).

Subtask 22-62-12-020-051-A

B. Removal of the RUD TRIM/RESET Pushbutton Switch (8CC)

RUD TRIM/RESET Pushbutton Switch

(1) Loosen the two screws (6) of the knob (5).
(2) Remove the knob (5) from the shaft of the control switch (15).
(3) Remove the screw (8), the pin (9) and the knob (7).
(4) Loosen the four screws (4) that attach the plate (10) to the structure of the panel 110VU (16).
(5) Remove the plate (10).
(6) Remove the nut (3), the lockwasher (2) and the washer (1) from the RUD TRIM/ RESET pushbutton switch (14).
(7) Remove the RUD TRIM/RESET pushbutton switch (14) from the structure of the panel 110VU (16).
(8) Loosen the screws of the terminals at the rear of the RUD TRIM/RESET pushbutton switch (14) to disconnect the electrical wires and make a mark on each wire.
(9) Remove the RUD TRIM/RESET pushbutton switch (14).

[Rev.10 from 2021] 2026.03.31 23:10:18 UTC