Installation of the Engine Leasing-Plate Support

TASK 11-24-71-400-807-A
Installation of the Engine Leasing-Plate Support

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.

ZONE: 430
ZONE: 440

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	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.5 and 0.41 m.daN (44.25 and 36.28 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BBB1)	Non Aqueous Cleaner-- Petroleum Based -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
430	ENG 1 AIR INTAKE, FAN AND ACCESS GEARBOX
440	ENG 2 AIR INTAKE, FAN AND ACCESS GEARBOX
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 11-00-00-960-002-A	Replacement of the Engine Leasing Plate
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A	Closing of the Fan Cowl Doors
Engine Leasing-Plate Support

3. Job Set-up
Subtask 11-24-71-941-061-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).

Subtask 11-24-71-010-062-A

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
448AR.

Subtask 11-24-71-110-054-A

C. Preparation for Installation
(1) Clean and degrease the mating surface of the engine leasing-plate support (5) with a Textile-Lint free Cotton - (Material No.14SBA1) and Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .

4. Procedure
Subtask 11-24-71-420-056-A

A. Installation of the Engine Leasing-Plate Support

Engine Leasing-Plate Support

(1) Put and hold the engine leasing-plate support (5) in position, between the bracket (2) and the bridge bracket (1).
(2) Install the bolts (3).
(3) TORQUE the bolts (3) to between 0.5 and 0.41 m.daN (44.25 and 36.28 lbf.in )

.
(4) Put the pipe (4) in position on the engine leasing-plate support (5).

5. Close-up
Subtask 11-24-71-410-055-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the engine leasing plate (Ref. AMM TASK 11-00-00-960-002).
(3) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
448AR.

Subtask 11-24-71-942-053-A

B. Aircraft Maintenance Configuration
(1) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.03.31 22:54:21 UTC