Installation of the Engine Leasing-Plate Mount Assembly

TASK 11-24-71-400-805-A
Installation of the Engine Leasing-Plate Mount Assembly

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.

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 1.26 and 1.14 m.daN (111.50 and 100.88 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
FOR [1000EM1] (ENGINE-1)
437AL
FOR [1000EM2] (ENGINE-2)
447AL

D. Referenced Information

REFERENCE	DESIGNATION
TASK 11-00-00-960-002-A	Replacement of the Engine Leasing Plate
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 78-30-00-440-012-A	Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
Engine Leasing-Plate Mount Assembly

3. Job Set-up
Subtask 11-24-71-941-057-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that a WARNING NOTICE(S) in position to tell persons not to start the engine 1(2).
(2) On overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that a WARNING NOTICE(S) in position to tell persons not to energize the FADEC 1(2).

Subtask 11-24-71-010-058-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are opened (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL
(b) FOR [1000EM2] (ENGINE-2)
447AL.

Subtask 11-24-71-110-052-A ** ON A/C NOT FOR ALL

C. Cleaning of the Contact Surface
(1) Clean and degrease the contact surface of the leasing plate with Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .

4. Procedure
Subtask 11-24-71-420-054-A ** ON A/C NOT FOR ALL

A. Installation of the Engine Leasing-Plate Mount Assembly

Engine Leasing-Plate Mount Assembly ** ON A/C NOT FOR ALL

(1) Put the leasing plate mount (3) in position on the engine flange.
(2) Install the bolts (1) and the nuts (2).
(3) TORQUE the nuts (2) to between 1.26 and 1.14 m.daN (111.50 and 100.88 lbf.in )

.
(4) Install the engine leasing plate (Ref. AMM TASK 11-00-00-960-002).

5. Close-up
Subtask 11-24-71-440-052-A ** ON A/C NOT FOR ALL

A. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-012).

Subtask 11-24-71-942-051-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL
(b) FOR [1000EM2] (ENGINE-2)
447AL.
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.03.31 22:54:15 UTC