Installation of the Engine Leasing-Plate Mount Assembly

TASK 11-24-71-400-804-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.

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 110 and 90 lbf.in (1.24 and 1.02 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BBB1)	Non Aqueous Cleaner-- Petroleum Based -
(Material No.14QDC1)	Wire-Locking Dia: 0.5 mm (0.020 inch) CRES -
(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 [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 11-00-00-960-002-A	Replacement of the Engine Leasing Plate
TASK 71-13-00-010-040-A	Opening of the Fan Cowl Doors
TASK 71-13-00-010-040-B	Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-A	Closing of the Fan Cowl Doors
TASK 71-13-00-410-040-B	Closing of the Fan Cowl Doors
Illustration of the Engine Leasing-Plate Mount Assembly

3. Job Set-up
Subtask 11-24-71-941-055-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) is in position to tell persons not to start engine.
(2) On the ENG section of the 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) is in position to tell persons not to energize the FADEC 1(2).

Subtask 11-24-71-010-056-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are opened (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.

4. Procedure
Subtask 11-24-71-110-051-A ** ON A/C NOT FOR ALL

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

Subtask 11-24-71-420-053-A ** ON A/C NOT FOR ALL

B. Installation of the Engine Leasing-Plate Mount Assembly

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

(1) Put the L-support (5) in position on the engine flange.
(2) Install the bolts (6) and the nuts (7) and TORQUE them to between 110 and 90 lbf.in (1.24 and 1.02 m.daN )

.
(3) Put the leasing plate mount (3) in position on the L-support(5).
(4) Install the screws (2) and the washers (1) on the leasing plate mount (3) and TORQUE them to between 110 and 90 lbf.in (1.24 and 1.02 m.daN )

.
(5) Safety the two screws (2) together on every side of the leasing plate mount (3) with 14QDC1Wire-Locking Dia: 0.5 mm (0.020 inch) CRES -.
(6) Install the engine leasing plate (4) (Ref. AMM TASK 11-00-00-960-002).

5. Close-up
Subtask 11-24-71-942-050-A ** ON A/C NOT FOR ALL

A. 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 71-13-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.03.31 22:54:11 UTC