Integrated Drive Generator (IDG) Oil-Type Change

TASK 24-21-00-612-806-A
Integrated Drive Generator (IDG) Oil-Type Change

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: WEAR GOGGLES, INSULATED GLOVES AND OTHER PROTECTIVE CLOTHES. HOT OIL CAN BURN YOUR EYES AND SKIN. IF OIL TOUCHES YOUR EYES OR SKIN, GET MEDICAL AID.

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

CAUTION: DO NOT OPERATE THE IDG:

IF IT CONTAINS TOO MUCH OIL
IF IT DOES NOT CONTAIN ENOUGH OIL

IF YOU DO, YOU CAN CAUSE DAMAGE TO THE IDG.

CAUTION: USE ONLY NEW CANS OF OIL WHEN YOU FILL THE IDG WITH OIL OR ADD OIL TO THE IDG. THE CONTAMINATION IN OIL THAT STAYS IN OPEN CANS CAN CAUSE FAST DETERIORATION OF THE OIL AND WILL DECREASE THE LIFE OF THE IDG.

CAUTION: DO NOT USE SOLVENTS THAT CONTAIN CHLORINE TO CLEAN THE EQUIPMENT (PUMP, HOSES, TANK AND FUNNEL) USED TO FILL THE IDG WITH OIL. CHLORINE CONTAMINATION OF THE OIL CAN CAUSE FAST DETERIORATION OF THE OIL AND WILL DECREASE THE LIFE OF THE IDG.

CAUTION: DO NOT DO THE SERVICING OF A DISCONNECTED IDG. CONTINUED OPERATION OF A DEFECTIVE IDG CAN CAUSE DAMAGE.

CAUTION: DO NOT LET ENGINE OIL FALL ON THE ENGINE. UNWANTED OIL MUST BE REMOVED IMMEDIATELY. THE OIL CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.

NOTE: Airbus recommends that you do not do the servicing of more than one IDG at a time.

1. Reason for the Job
To flush the IDG and the external lines with a new type of oil
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	CONTAINER 20L (5 USGAL)
No specific	AR	COVER - PROTECTION
No specific	1	FILLING EQUIPMENT - TANK OIL
No specific	Torque wrench: range to between 75 and 55 lbf.in (0.85 and 0.62 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.P03-001)	lubricant, aircraft turbine engine
(Material No.P05-289)	Lockwire
(Material No.P05-291)	Safety Cable
(Material No.P05-292)	Safety Cable Ferrule
(Material No.03ABA1)	Synthetic base Lubricating Oil-Turbine Engine - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR, 461AL, 462AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	PACKING	AIPC 24-21-51-51-110

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-13-24-612-803-A	Integrated Drive Generator (IDG) Servicing - Filling of the IDG with Oil or Addition of Oil after a Level Check
TASK 12-32-24-281-001-B	Sampling of the Integrated Drive Generator (IDG) Oil for Analysis
TASK 24-21-00-612-804-A	Servicing of the Integrated Drive Generator (IDG) after Oil Chemical Contamination
TASK 24-21-00-612-804-A-01	Servicing of the IDG after Oil Contamination and Extension of the Oil Filter Differential Pressure Indicator (DPI)
TASK 24-21-51-960-801-A	Replacement of the IDG Oil Charge and Scavenge Filter Elements
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-36-00-010-802-A	Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-802-A	Closing of the Thrust Reverser Cowl-Doors
TASK 20-34-00-00	LIST OF MATERIALS REQUIRED FOR IDG SERVICE AND MAINTENANCE - DESCRIPTION AND OPERATION
IDG Servicing - IDG Drain and Fill Ports
IDG Servicing - IDG Drain Plug

3. Job Set-up
Subtask 24-21-00-861-070-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001)

Subtask 24-21-00-941-091-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 24-21-00-010-105-A ** 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)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR

Subtask 24-21-00-040-059-A ** ON A/C NOT FOR ALL

D. Deactivation of the Thrust Reverser System for Ground Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Do the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 24-21-00-010-106-A ** ON A/C NOT FOR ALL

E. Get Access
(1) Open the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR
(2) Installation of the engine protection covers

CAUTION: INSTALL PROTECTION COVERS ON ALL THE OPENINGS IMMEDIATELY TO PREVENT DAMAGE TO THE ENGINE.

(a) Install all the necessary COVER - PROTECTION to prevent damage to the engine.

4. Procedure
Subtask 24-21-00-680-068-A ** ON A/C NOT FOR ALL

A. Depressurization of the IDG Case and Draining of the IDG Oil

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

(1) Find the IDG on the left rear side of the main gearbox.
(2) Find the IDG overfill drain-valve on the rear side of the IDG.
(3) Let the IDG temperature decrease to 120 DEG.F (49 DEG.C) or less before you drain the oil.
(4) Put the CONTAINER 20L (5 USGAL) below the IDG.
(5) Remove the dust covers from the IDG overfill drain-valve and the IDG pressure fill-valve.
(6) Installation of the overflow drain hose:

WARNING: YOU MUST PUT THE OVERFLOW DRAIN HOSE INTO A CONTAINER BEFORE YOU CONNECT THE DRAIN HOSE TO THE IDG OVERFILL DRAIN VALVE. MAKE SURE THAT THE DRAIN HOSE HANGS DOWN VERTICALLY AND THE END OF THE HOSE IS ABOVE THE OIL LEVEL IN THE CONTAINER. WHEN YOU CONNECT THE OVERFLOW DRAIN HOSE TO THE IDG, YOU RELEASE THE PRESSURE IN THE IDG OIL SYSTEM AND OIL WILL SPRAY FROM THE DRAIN HOSE. THIS WILL PREVENT BURNS FROM THE HOT OIL SPRAY. HOT OIL CAN CAUSE BURNS TO EYES AND SKIN.

CAUTION: DO NOT USE DEVICES OTHER THAN THE APPROVED OVERFLOW DRAIN-HOSE FITTING. HARD METAL OBJECTS SUCH AS SCREWDRIVERS CAN CAUSE DAMAGE TO THE OVERFLOW DRAIN SEAT.

(a) Put the free end of the drain hose in the empty CONTAINER 20L (5 USGAL).
(b) Connect the overflow drain hose with the OMP 2505-3 coupling to the IDG overfill drain-valve.

NOTE: The IDG oil flows through the drain hose during the draining procedure.

NOTE: Some hot pressurized oil can come out of the overflow drain hose when it is connected.

(7) Connect the pressure fill hose with the OMP 2506-3 coupling from the FILLING EQUIPMENT - TANK OIL to the IDG pressure fill-valve.
(8) Find the drain plug (1) on the bottom right side of the IDG.

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.

(9) Cut and discard the lockwire from the drain plug (1).
(10) Remove the drain plug (1) from the bottom of the IDG and let the oil drain.
(11) Collect the oil in the fluid drain collector or the container.
(12) With the drain plug (1) removed, use the FILLING EQUIPMENT - TANK OIL to set a maximum pressure of 35 psi (2.41 bar).
(13) Fill the IDG with the FILLING EQUIPMENT - TANK OIL, filled with P03-001lubricant, aircraft turbine engine, to flush out the remaining oil.
(14) Continue to fill the IDG with P03-001lubricant, aircraft turbine engine until 1.9 l (0.50 USgal) of oil comes out of the case drain.
(15) Stop the pump.
(16) Let the oil drain from the case drain until the flow of oil decreases to drops:
(a) If you smell fuel from the drained oil, do the servicing of the IDG (Ref. AMM TASK 24-21-00-612-804).
(b) If you think that the condition of the oil is unsatisfactory, do the sampling of the IDG oil for analysis (Ref. AMM TASK 12-32-24-281-001).
(17) Discard the packing (2).
(18) Disconnect the pressure fill hose.
(19) Disconnect the overflow drain hose.
(20) Install the dust covers on the IDG overfill drain-valve and IDG pressure fill-valve.

Subtask 24-21-00-920-066-A ** ON A/C NOT FOR ALL

B. Replace the IDG oil scavenge and charge filter elements (Ref. AMM TASK 24-21-51-960-801).

Subtask 24-21-00-612-107-A ** ON A/C NOT FOR ALL

CAUTION: USE ONLY APPROVED TYPES/BRANDS OF LUBRICANTS. DO NOT MIX TYPES//BRANDS OF LUBRICANTS.

C. Flushing of the IDG

NOTE: Approximately 3.8 l (1.00 USgal) to 5.7 l (1.51 USgal) of oil will flow in the CONTAINER 20L (5 USGAL).

NOTE: This procedure gives a list of approved oil brand-names for the IDG (Ref. AMM D/O 20-34-00-00).

(1) Remove the dust cover from the IDG pressure fill-valve.
(2) Connect the pressure fill hose of the FILLING EQUIPMENT - TANK OIL with the OMP 2505-3 coupling to the IDG pressure fill-valve.
(a) Fill the IDG with filtered Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) until:

The color of the oil that flows from the case drain is the same as the color of the oil that you put into the IDG, or
You collect approximately 3.8 l (1.00 USgal) of oil from the case drain.

Subtask 24-21-00-420-088-A ** ON A/C NOT FOR ALL

D. Installation of the Drain Plug on the IDG

(1) Apply P03-001lubricant, aircraft turbine engine to the new packing (2).
(2) Install the new AIPC 24-21-51-51-110 PACKING (2) on the drain plug (1).
(3) Install the drain plug (1) on the IDG.
(4) TORQUE the drain plug (1) to between 75 and 55 lbf.in (0.85 and 0.62 m.daN )

.
(5) Safety the drain plug (1) with Lockwire (Material No.P05-289) or Safety Cable (Material No.P05-291) and Safety Cable Ferrule (Material No.P05-292) .

Subtask 24-21-00-612-090-A ** ON A/C NOT FOR ALL

E. Filling of the IDG with Oil
(1) Fill the IDG with oil (Ref. AMM TASK 12-13-24-612-803).

5. Close-up
Subtask 24-21-00-410-105-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Removal of the engine protection covers

CAUTION: REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY TO PREVENT ENGINE DAMAGE.

(a) Remove all the COVER - PROTECTION.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR

Subtask 24-21-00-440-056-A ** ON A/C NOT FOR ALL

B. Reactivation of the Thrust Reverser System after Ground Maintenance
(1) Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 24-21-00-410-104-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Remove the WARNING NOTICE(S).

Subtask 24-21-00-862-069-A ** ON A/C NOT FOR ALL

D. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:19:58 UTC