Installation of the TPIS Kit (EV NLG)

TASK 32-49-51-400-801-A-01
Installation of the TPIS Kit (EV NLG)

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

FIN: 2878GM ** ON A/C NOT FOR ALL

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	1	SAFETY BARRIER(S)
No specific	1	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06LDG2)	Non Hardening Jointing Putty-High Temp. Area - Structure

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
14	COTTER PIN	AIPC 32-21-11-03-040

D. 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
TASK 32-51-00-720-003-A	Functional Test of the Nose Wheel Steering with the Handwheel
TPIS KIT
TPIS Kit (EV NLG)

3. Job Set-up
Subtask 32-49-51-860-057-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the WARNING NOTICE(S) are in position:

In the cockpit, on right center-instrument-panel 400VU, to tell persons not to operate the landing gear control-lever.
On the steering handwheel (CAPT and F/O) and on the rudder pedals, to tell persons not to operate them.

(2) Make sure that the safety devices are installed on the landing gears (Ref. AMM TASK 32-00-00-481-001).
(3) Make sure that the SAFETY BARRIER(S) are in position.
(4) Make sure that the aircraft electrical circuits are de-energized
(Ref. AMM TASK 24-41-00-862-002).

4. Procedure
Subtask 32-49-51-420-054-A ** ON A/C NOT FOR ALL

A. Installation of the Electrical Harness (with TPIS)

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.

(1) Remove the CAP - BLANKING from the electrical connectors immediately before you connect them.
(2) Apply a layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to the threads of all the nuts and bolts you install them.
(3) Hold upper harness 1M in position and:
(a) Connect the upper electrical harness (2) to the transition box (1).
(b) Put the clamps (3), (6), (9), (14) in position on the bracket (15) and install the washers (4), (7), (10), (13) and the screws (5), (8), (11), (12).
(c) Put the clamp (16) in position on the bracket (19), install the washers (17) and the screws (18).
(d) Put the clamps (21) in position on the bracket (20), install the washers (22) and the screws (23).
(e) Install the support (24), clamp (25), washer (26) and screw (27) on the upper torque link.
(f) Connect the electrical connector (32) to the connector (31).
(g) Install the clamp (30), washer (29) and screw (28) on the lower torque link.
(4) Install the lower connections of the lower electrical harness (33) as follows:
(a) Remove the CAP - BLANKING from the electrical connectors immediately before you connect them.
(b) Apply a layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to the threads of all the nuts and bolts before you install them.
(c) Hold the lower electrical harness (33) in position and engage the two electrical connectors (34) on the wheel axle until the bulkhead union (43) is in position. Make sure that electrical connector 4GVA (34) is on the right side and that electrical connector 5GVA (34) is on the left side.
(d) Install the NLG TPIS rotating-mechanism (Ref. AMM D/O 32-49-17-40).
(e) Put the bulkhead union (43) in position on the support (39).
(f) Install the nut (40), the washer (42) and the bolt (44).
(g) Tighten the nut (40).
(h) Safety the nut (40) with a new AIPC 32-21-11-03-040 COTTER PIN (14) cotter pin (41).
(5) Install the upper connection of the lower electrical harness (33) as follows:
(a) Put the clamp (35) on the lower electrical harness (33).
(b) Remove the CAP - BLANKING from the lower electrical harness (33).
(c) Connect the lower electrical harness (33) to the support (34).
(d) Make sure that the clamp (35) is in the correct position on the lower electrical harness (33).
(e) Install the nut (38), washer (37) and screw (36) through the support (34) and the clamp (35).
(f) Tighten the nut (38).

Subtask 32-49-51-710-051-A ** ON A/C NOT FOR ALL

B. Operational Test
(1) Do an operational test of the TPIS (Ref. AMM D/O 32-49-00-71).

Subtask 32-49-51-720-052-A ** ON A/C NOT FOR ALL

C. Functional Test
(1) Do a functional test of the steering system (Ref. AMM TASK 32-51-00-720-003).

5. Close-up
Subtask 32-49-51-860-058-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(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).

[Rev.9 from 2019] 2026.04.01 00:50:49 UTC