Removal of the NLG Door Actuating Cylinder

TASK 32-31-16-000-001-A
Removal of the NLG Door Actuating Cylinder

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 THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.

FIN: 2531GM

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	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	CONTAINER 5 L (1.32 USGAL)
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
98D32303000000	1	ADAPTER-WRENCH KIT

B. Referenced Information

REFERENCE	DESIGNATION
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 32-22-00-010-001-A	Nose Gear Doors - Ground Doors Opening
NLG Door Actuating Cylinder

3. Job Set-up
Subtask 32-31-16-860-051-A

A. Aircraft Maintenance Configuration
(1) Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration.
(Ref. AMM TASK 29-00-00-864-001)
(2) Depressurize the reservoir of the Green hydraulic system
(Ref. AMM TASK 29-14-00-614-001)

Subtask 32-31-16-010-050-A

B. Get Access
(1) Open the doors of the nose landing gear (Ref. AMM TASK 32-22-00-010-001).
(2) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in zone 123.

Subtask 32-31-16-941-050-A

C. Safety Precautions
(1) In the cockpit, on the panel 400VU put WARNING NOTICE(S) in position to tell persons not to operate the landing gear control lever.
(2) Put the WARNING NOTICE(S) in position to tell persons not pressurize the Green hydraulic system:

on the panel 40VU in the cockpit,
on the ground service panel of the Green hydraulic system access door (197CB).

(3) Put the SAFETY BARRIER(S) in position.
(4) Put a CONTAINER 5 L (1.32 USGAL) in position below the NLG door actuating cylinder (2531GM).

4. Procedure
Subtask 32-31-16-020-051-A

A. Removal of the NLG Door Actuating Cylinder

WARNING: MAKE SURE THAT THE NLG DOWNLOCK SAFETY PIN AND THE TWO DOOR SAFETY PINS ARE INSTALLED.

(1) Disconnect the hydraulic lines (9) and (11) and put the PLUG - BLANKING is position.
(2) Unlock the nut (1) and remove it with the 98D32303000000 ADAPTER-WRENCH KIT (98D32303000201).
(3) Remove and discard the lockwasher (2).
(4) Remove the washer (3) and the bolt (6) with the washer (7).
(5) Disconnect the rod end (8) from the lever (5).
(6) Remove the cotter pin (12) and discard it, remove the nut (13) and the washer (14).
(7) Remove the bolt (10) and disconnect the actuating cylinder from the support (16).
(8) Remove the actuating cylinder (17).

[Rev.10 from 2021] 2026.04.01 04:00:22 UTC