Installation of the Safety Devices on the Landing Gears

TASK 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears

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 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.

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	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
460005833	2	SLEEVE-GROUND LOCK
460007280	2	SLEEVE-GROUND LOCK
D23080000	1	PIN-GROUND LOCK,NLG
DRT68031	2	SLEEVE - GROUND LOCK
DRT68923	2	SLEEVE-GROUND LOCK
MZ23080000	1	PIN-LOCKING

B. Referenced Information

REFERENCE	DESIGNATION
TASK 32-00-00-481-002-A	Installation of the Safety Devices on the Landing Gear Doors
Main and Nose Landing-Gears Safety-Devices

3. Job Set-up
Subtask 32-00-00-860-051-A

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear or the landing gear doors.
(3) Make sure that the wheel chocks are correctly installed.

4. Procedure
Subtask 32-00-00-481-050-A

A. Installation of the Safety Devices on the Landing Gears

WARNING: MAKE SURE THAT, IF THE LANDING GEAR DOORS ARE OPEN, THEY ARE SAFETIED BEFORE YOU INSTALL THE LANDING GEAR SAFETY-DEVICES. IF THE LANDING GEAR DOORS ARE OPEN BUT NOT SAFETIED THERE IS A RISK THAT THEY CAN CLOSE AND CAUSE INJURY.

(1) To install the left and right MLG safety locks:
(a) If a landing gear door is open, make sure:

the ground door-opening handle is in the open position
the ground door-safety lock is installed (Ref. AMM TASK 32-00-00-481-002).

(b) Make sure that the piston rod of each lock stay actuating cylinder is clean.
(c) There are four alternative tools that can be used for this task:

the 460005833 SLEEVE-GROUND LOCK or the 460007280 SLEEVE-GROUND LOCK or the DRT68031 SLEEVE - GROUND LOCK or the DRT68923 SLEEVE-GROUND LOCK.

(d) Remove the pin and open the GROUND LOCK SLEEVE.
(e) Make sure that the GROUND LOCK SLEEVE is clean and in the correct condition.
(f) Put the GROUND LOCK SLEEVE in position on the piston rod of each lock stay actuating cylinder.
(g) Close the GROUND LOCK SLEEVE and install the pin from the inboard side.
(h) Make sure that the flag is in view.
(2) To install the NLG safety lock:
(a) If a landing gear door is open, make sure:

the ground door-opening handle is in the open position
the ground door-safety locks are installed (Ref. AMM TASK 32-00-00-481-002).

(b) Make sure that the holes in the NLG lock stay are aligned.
(c) There are two alternative tools that can be used for this task:

the D23080000 PIN-GROUND LOCK,NLG or the MZ23080000 PIN-LOCKING.

(d) Make sure that the NLG GROUND LOCK PIN is clean and in a correct condition.
(e) Install the NLG GROUND LOCK PIN in the holes in the NLG lock stay.
(f) Make sure that the flag is in view.

5. Close-up
Subtask 32-00-00-942-058-A

A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the safety barriers.
(3) Remove the WARNING NOTICE(S).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 00:39:11 UTC