Removal of the NLG Shock Absorber Assy

TASK 32-21-13-000-001-B
Removal of the NLG Shock Absorber Assy

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 2M (6 FT) - ADJUSTABLE
No specific	1	DRIFT - PLASTIC
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	TROLLEY - LIFTING
No specific	AR	WARNING NOTICE(S)
J47564	1	ADAPTOR

B. Referenced Information

REFERENCE	DESIGNATION
TASK 07-11-00-581-001-A	Lifting for Aircraft Maintenance Operations
TASK 32-21-27-000-002-A	Removal of the Torque-Link Center Hinge
TASK 32-21-41-000-001-A	Removal of the NLG TOWING attachment
TASK 32-22-00-010-001-A	Nose Gear Doors - Ground Doors Opening
TASK 32-41-12-000-001-A	Removal of the NLG Wheel
Nose Gear Shock Absorber
Nose Gear Torque Links-Center Hinge
Nose Gear Shock Absorber

3. Job Set-up
Subtask 32-21-13-941-055-A ** ON A/C NOT FOR ALL

A. 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) On the steering handwheel (CAPT and F/O) and on the brake pedals, put WARNING NOTICE(S) in position to tell persons not to operate them .
(3) Put the SAFETY BARRIER(S) in position.

Subtask 32-21-13-860-055-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Lift the aircraft with jacks until the wheels are off the ground (Ref. AMM TASK 07-11-00-581-001).

Subtask 32-21-13-010-052-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Open the doors of the nose landing gear (Ref. AMM TASK 32-22-00-010-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position in zone 123.

Subtask 32-21-13-865-056-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY	4GG	M36
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/CTL	3GG	M35
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/CTL	1GG	M34
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY	2GG	M33

4. Procedure
Subtask 32-21-13-020-056-A ** ON A/C NOT FOR ALL

A. Preparation before Removal
(1) Remove the wheels of the nose landing gear. (Ref. AMM TASK 32-41-12-000-001)
(2) Remove the towing fitting (Ref. AMM TASK 32-21-41-000-001).

Subtask 32-21-13-020-057-F ** ON A/C NOT FOR ALL

B. Removal of the NLG Shock Absorber Assy
(1) Lightly loosen the valve (1) and let the nitrogen go out of the shock absorber (10).
(2) Remove and discard the cotter pin (22) and remove the nut (23) and the bolt (20).

NOTE: Remove the bolt (20) with a DRIFT - PLASTIC.

(3) Remove the support (21).
(4) Disconnect the center hinge (Ref. AMM TASK 32-21-27-000-002).
(5) Remove the nuts (60), the bolts (64) and the washers (61) and (63).
(6) Remove the stop (62).
(7) Lift the aircraft with jacks so as to get a clearance higher than 1.50 m (4.92 ft.) between the bottom of the shock absorber and the ground (Ref. AMM TASK 07-11-00-581-001).
(8) Install the TROLLEY - LIFTING and attach the shock absorber (10).
(9) Open the valve (1) and fully compress the shock absorber (10).
(10) Remove the bolt (2) and the washer (3).
(11) Cut and discard the lockwire between the valve (1) and the stop plate (4).
(12) Remove the stop plate (4), then remove the valve (1).
(13) Remove the nut (6) with the J47564 ADAPTOR.
(14) Slowly remove the shock absorber (10). Be careful not to hit the inner part of the shock strut (7) with the sliding tube.
(15) Remove the shock absorber (10).

[Rev.9 from 2019] 2026.04.01 00:42:09 UTC