Removal of the Nose Wheel Steering Feedback Sensor Box P/N E21336000

TASK 32-51-19-000-001-A-01
Removal of the Nose Wheel Steering Feedback Sensor Box P/N E21336000

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.

WARNING: MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.

CAUTION: IF THE SENSOR BOX HAS P/N E21336000, NEVER REMOVE THE SENSOR FROM THE GEARBOX. THE SENSOR AND THE GEARBOX ARE AN ASSEMBLY THAT YOU MUST NOT DISASSEMBLE ON THE AIRCRAFT. IF YOU REMOVE THE SENSOR FROM THE GEARBOX:

YOU WILL CAUSE DAMAGE TO THE SENSOR BOX
THE ADJUSTMENT OF THE SENSOR BOX WILL NO LONGER BE CORRECT.

ZONE: 711
FIN: 3GC
FIN: 4GC

1. Reason for the Job
Do this procedure when you have a sensor box P/N E21336000 installed on the NLG.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
711	NOSE GEAR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 07-11-00-581-003-A	Lifting of the Aircraft at the Forward Jacking Point, MLG Wheels on the Ground
Sensor Box P/N E21336000

3. Job Set-up
Subtask 32-51-19-941-053-A

A. Safety Precautions
(1) In the cockpit, on the panel 400VU, put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear control lever.
(2) On the CAPT and F/O NWS handwheels and on the brake pedals, put warning notices in position to tell persons not to operate them.
(3) Put SAFETY BARRIER(S) in position.

Subtask 32-51-19-865-055-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/CTL	3GG	M35
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/CTL	1GG	M34

Subtask 32-51-19-860-053-A

C. Aircraft Maintenance Configuration
(1) Jack up the front of the aircraft (Ref. AMM TASK 07-11-00-581-003).

NOTE: When the shock absorber is fully extended the NLG is automatically in the center position (the nose wheel steering is in the zero position).

(2) On the panel 402VU LANDING GEAR CTL & IND PN, set the A/SKID & N/W STRG switch to ON.

4. Procedure
Subtask 32-51-19-020-053-A

A. Removal of the Sensor Box
(1) Disconnect the electrical connector (8) from the sensor box (7).
(2) Put CAP - BLANKING on the disconnected electrical connectors.
(3) Remove the screws (1), the washers (2), the bushes (3) and the springs (4).
(4) Carefully remove the sensor box (7) with the spacers (5) from the nose landing gear.

[Rev.8 from Aug 2017] 2026.04.01 00:51:26 UTC