Installation of the IDG Oil Charge and Scavenge Filter-Elements

TASK 24-21-51-400-810-A
Installation of the IDG Oil Charge and Scavenge Filter-Elements

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 435
ZONE: 445

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 15 and 13 lbf.ft (2.03 and 1.76 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03ABA1)	Synthetic base Lubricating Oil-Turbine Engine - -
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
435	FAN AND ACCESSORY GEARBOX
445	FAN AND ACCESSORY GEARBOX
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
3	PACKING	AIPC 24-21-51-61-280
2	FILTER ELEMENT	AIPC 24-21-51-61-290
1	PACKING	AIPC 24-21-51-61-300

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-13-24-612-804-A	Integrated Drive Generator (IDG) Servicing - Filling of the IDG with Oil or Addition of Oil after a Level Check
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
IDG Oil Charge and Scavenge Filter-Elements

3. Job Set-up
Subtask 24-21-51-941-074-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) are 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 system 1(2).

Subtask 24-21-51-010-105-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)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR

4. Procedure
Subtask 24-21-51-640-076-A

A. Lubrication of the Consumable Materials
(1) Apply Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) to the new AIPC 24-21-51-61-300 PACKING (1) and to the new AIPC 24-21-51-61-280 PACKING (3).

Subtask 24-21-51-420-168-A

WARNING: MAKE SURE THAT THE COMPONENTS ARE IN THE CORRECT POSITION IN THE FILTER CAVITIES BEFORE YOU INSTALL THE FILTER COVERS. DO NOT TIGHTEN THE FILTER COVER SCREWS TO PUT THE FILTER COMPONENTS IN THE HOUSINGS.

CAUTION: DO NOT CLEAN AND USE AGAIN A FILTER ELEMENT THAT YOU REMOVED.

B. Installation of the Scavenge and Charge Filter Elements

NOTE: The procedure is the same for the two filters.

(1) Remove the blanking cap from the filter cavity.
(2) Install the new packing (3) on the filter cap (4) and make sure that it is in the correct position.
(3) Install the new packing (1) on a new AIPC 24-21-51-61-290 FILTER ELEMENT (2) and make sure that it is in the correct position.
(4) Put the new filter (2) element in the filter cavity.
(5) Install the filter cap (4).
(6) TORQUE the filter cap (4) to between 15 and 13 lbf.ft (2.03 and 1.76 m.daN )

.
(7) Installation of the lockwires

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.

(8) Safety the filter cap with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

Subtask 24-21-51-612-072-A

C. Fill the IDG oil system (Ref. AMM TASK 12-13-24-612-804).

5. Close-up
Subtask 24-21-51-410-088-A

A. Put the aircraft back to its initial configuration.
(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 71-13-00-410-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.03.31 23:21:39 UTC