Removal of the NLG Lower Electrical Harness

TASK 32-21-43-000-001-A
Removal of the NLG Lower Electrical Harness

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: 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.

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
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 32-00-00-481-001-A	Installation of the Safety Devices on the Landing Gears
NLG - Lower Electrical Harness

3. Job Set-up
Subtask 32-21-43-860-052-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).

Subtask 32-21-43-941-052-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) Make sure that the safety devices are installed on the landing gears (Ref. AMM TASK 32-00-00-481-001).
(2) Put the WARNING NOTICE(S) in position:

On the panel 400VU, to tell persons not to operate the landing gear control lever
On the NWS handwheels and the rudder pedals to tell persons not to operate them.

4. Procedure
Subtask 32-21-43-020-051-A ** ON A/C NOT FOR ALL

WARNING: FOR SAFETY STAND AFT OF THE GEAR LEG WHEN YOU OPERATE THE GROUND OPENING CONTROL OF THE DOOR. CAREFULLY READ THE PLACARD ON THE LEG DOOR BEFORE YOU OPEN THE NOSE GEAR DOORS.

A. Removal of the Lower Harness

NLG - Lower Electrical Harness ** ON A/C NOT FOR ALL

NOTE: Put the CAP - BLANKING on the electrical connectors as you disconnect them.

(1) Cut and remove the lockwire. Remove the screws (11) and the washers (12).
(2) Remove the cover (10).
(3) Remove the cotter-pins (14) and discard them. Remove the nuts (15), the washers (16) and the bolts (17).
(4) Remove the support (13).
(5) Disconnect the electrical connectors (18) from the electrical plugs on the supports (13).
(6) Remove the screw (5), the nut (2), the washer (3) and the clamp (4).
(7) Remove the screws (1) and the counterplate (6).
(8) Disconnect the electrical connector (7).
(9) Remove the cotter pin (22) and discard it. Remove the nut (21) and the washer (20). Remove the screw (9) and the washer (8).
(10) Remove the casing (19) and the electrical connectors (18) from the axle.
(11) Remove the lower harness (23).

[Rev.9 from 2019] 2026.04.01 12:30:30 UTC