Removal of the TPIS Kit (EV NLG)
TASK 32-49-51-000-801-A-01
Removal of the TPIS Kit (EV NLG)
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 32-49-51-941-052-A ** ON A/C NOT FOR ALL
Subtask 32-49-51-020-052-A ** ON A/C NOT FOR ALL
[Rev.9 from 2019]
2026.04.02 06:22:18 UTC
Removal of the TPIS Kit (EV NLG)
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.
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 JobSelf 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 | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | WARNING NOTICE(S) |
| 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 |
Subtask 32-49-51-941-052-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Put the WARNING NOTICE(S) in position:
(3) Put the SAFETY BARRIER(S) in position.
Subtask 32-49-51-860-056-A ** ON A/C NOT FOR ALL (1) Put the WARNING NOTICE(S) 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.
(3) Put the SAFETY BARRIER(S) in position.
B. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
4. Procedure(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Subtask 32-49-51-020-052-A ** ON A/C NOT FOR ALL
A. Removal of the Electrical Harness (with TPIS)
(2) Remove upper harness 1M as follows:
(a) Disconnect the electrical connectors (32) from the connector (31).
(b) Remove the screw (28), washer (29) and clamp (30) from the lower torque link.
(c) Remove the screw (27), washer (26), clamp (25) and support (24) from the upper torque link.
(d) Remove the screws (23), washers (22) and clamps (21) from the bracket (20).
(e) Remove the screws (18), washers (17) and clamp (16) from the bracket (19).
(f) Remove the screws (5), (8), (11), (12) and the washers (4), (7), (10), (13). Then, remove the clamps (3), (6), (9), (14) from the bracket (15).
(g) Remove the upper electrical harness (2) from the transition box (1).
(3) Disconnect the upper connection of the lower electrical harness (33) as follows:
(a) Hold the lower electrical harness (33) and remove the nut (38), washer (37) and screw (36) from the clamp (35) and the support (34).
(b) Put the CAP - BLANKING on the lower electrical harness (33).
(c) Remove the clamp (35) from the lower electrical harness (33).
(4) Disconnect the lower connections of the lower electrical harness (33) as follows:
(a) Remove the NLG TPIS rotating-mechanism (Ref. AMM D/O 32-49-17-00).
(b) Remove and discard the cotter pin (41).
(c) Remove the nut (40), the washer (42) and the bolt (44).
(d) Remove the bulkhead union (43) from the support (39) and from the NLG leg.
(e) Carefully pull the electrical harness (33) to remove it from the wheel axle.
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) Put the CAP - BLANKING on the electrical connectors while you disconnect them. (2) Remove upper harness 1M as follows:
(a) Disconnect the electrical connectors (32) from the connector (31).
(b) Remove the screw (28), washer (29) and clamp (30) from the lower torque link.
(c) Remove the screw (27), washer (26), clamp (25) and support (24) from the upper torque link.
(d) Remove the screws (23), washers (22) and clamps (21) from the bracket (20).
(e) Remove the screws (18), washers (17) and clamp (16) from the bracket (19).
(f) Remove the screws (5), (8), (11), (12) and the washers (4), (7), (10), (13). Then, remove the clamps (3), (6), (9), (14) from the bracket (15).
(g) Remove the upper electrical harness (2) from the transition box (1).
(3) Disconnect the upper connection of the lower electrical harness (33) as follows:
(a) Hold the lower electrical harness (33) and remove the nut (38), washer (37) and screw (36) from the clamp (35) and the support (34).
(b) Put the CAP - BLANKING on the lower electrical harness (33).
(c) Remove the clamp (35) from the lower electrical harness (33).
(4) Disconnect the lower connections of the lower electrical harness (33) as follows:
(a) Remove the NLG TPIS rotating-mechanism (Ref. AMM D/O 32-49-17-00).
(b) Remove and discard the cotter pin (41).
(c) Remove the nut (40), the washer (42) and the bolt (44).
(d) Remove the bulkhead union (43) from the support (39) and from the NLG leg.
(e) Carefully pull the electrical harness (33) to remove it from the wheel axle.
TPIS KIT