Replacement of the Engine Leasing Plate

TASK 11-00-00-960-002-A
Replacement of the Engine Leasing Plate

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

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 )
No specific	Torque wrench: range to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

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
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 20-11-11-911-001-A	Safetying with Lockwire
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
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 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
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
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 78-30-00-040-012-A	Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-081-041-A	Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-081-041-B	Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-440-012-A	Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-30-00-481-041-A	Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-30-00-481-041-B	Make the Thrust Reverser Unserviceable for Maintenance
Engine Leasing Plate ** ON A/C NOT FOR ALL
Engine Leasing Plate ** ON A/C NOT FOR ALL
Engine Leasing Plate ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 11-00-00-941-055-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to start engine 1(2).
(2) Make sure that the engine 1(2) shutdown occurred not less than five minutes before you do this procedure.
(3) 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) Put the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 11-00-00-040-050-A ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 11-00-00-040-050-B ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012).

Subtask 11-00-00-040-050-C ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041).

Subtask 11-00-00-010-051-A ** ON A/C NOT FOR ALL

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

Subtask 11-00-00-010-051-B ** ON A/C NOT FOR ALL

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

Subtask 11-00-00-010-051-C ** ON A/C NOT FOR ALL

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

Subtask 11-00-00-010-051-D ** ON A/C NOT FOR ALL

C. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
448AR.

4. Procedure
Subtask 11-00-00-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Engine Leasing Plate

Engine Leasing Plate ** ON A/C NOT FOR ALL

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(1) Cut and discard the lockwire.
(2) Remove the screws (3) and the washers (2) that attach the engine leasing plate (4).
(3) Remove the engine leasing plate (4) from the mounting assembly (1).

Subtask 11-00-00-020-050-B ** ON A/C NOT FOR ALL

A. Removal of the Engine Leasing Plate

Engine Leasing Plate ** ON A/C NOT FOR ALL

(1) Cut and discard the lockwire.
(2) Remove the bolts (3) and the washers (4) that attach the engine leasing plate (2).
(3) Remove the engine leasing plate (2) from the mounting assembly (1).

Subtask 11-00-00-020-050-C ** ON A/C NOT FOR ALL

A. Removal of the Engine Leasing Plate

Engine Leasing Plate ** ON A/C NOT FOR ALL

(1) Cut and discard the lockwire.
(2) Remove the bolts (3) and the washers (2) that attach the engine leasing plate (4).
(3) Remove the engine leasing plate (4) from the mounting assembly (1).

Subtask 11-00-00-110-067-A

B. Cleaning of the Mating Surface
(1) Clean and remove the grease from the mating surface of the engine leasing plate with the Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .

Subtask 11-00-00-960-050-A ** ON A/C NOT FOR ALL

C. Installation of the Engine Leasing Plate

Engine Leasing Plate ** ON A/C NOT FOR ALL

(1) Put the engine leasing plate (4) in position on the mounting assembly (1).
(2) Install the washers (2) and the screws (3).
(3) TORQUE the screws (3) to between 110 and 90 lbf.in (1.24 and 1.02 m.daN )

(4) Safety two screws (3) together on each side of the engine leasing plate (4) with the 14QDC1Wire-Locking Dia: 0.5 mm (0.020 inch) CRES - (Ref. AMM TASK 20-11-11-911-001).

Subtask 11-00-00-960-050-B ** ON A/C NOT FOR ALL

C. Installation of the Engine Leasing Plate

Engine Leasing Plate ** ON A/C NOT FOR ALL

(1) Put the engine leasing plate (4) in position on the mounting assembly (1).
(2) Install the washers (2) and the bolts (3).
(3) Tighten the bolts (3).

(4) Safety two bolts (3) together on each side of the engine leasing plate (4) with the 14QDC1Wire-Locking Dia: 0.5 mm (0.020 inch) CRES - (Ref. AMM TASK 20-11-11-911-001).

Subtask 11-00-00-960-050-C ** ON A/C NOT FOR ALL

C. Installation of the Engine Leasing Plate

Engine Leasing Plate ** ON A/C NOT FOR ALL

(1) Put the engine leasing plate (2) in position on the mounting assembly (1).
(2) Install the washers (4) and the bolts (3).
(3) TORQUE the bolts (3) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

(4) Safety two bolts (3) together on each side of the engine leasing plate (2) with the 14QDC1Wire-Locking Dia: 0.5 mm (0.020 inch) CRES - (Ref. AMM TASK 20-11-11-911-001).

5. Close-up
Subtask 11-00-00-410-052-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 and 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL and 448AR.

Subtask 11-00-00-410-052-B ** 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 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL
(b) FOR [1000EM2] (ENGINE-2)
447AL.

Subtask 11-00-00-410-052-C ** ON A/C NOT FOR ALL

Subtask 11-00-00-410-052-D ** 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 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
448AR.

Subtask 11-00-00-440-051-A ** ON A/C NOT FOR ALL

B. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 11-00-00-440-051-B ** ON A/C NOT FOR ALL

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

Subtask 11-00-00-440-051-C ** ON A/C NOT FOR ALL

B. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-081-041).

Subtask 11-00-00-942-067-A

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

[Rev.10 from 2021] 2026.03.31 22:53:53 UTC