Check of the Maintenance Condition of the IDG 1(2)

TASK 24-20-00-040-802-A
Check of the Maintenance Condition of the IDG 1(2)

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

1. Reason for the Job
MMEL 24-09-03A
ELEC IDG 1(2) OIL LO LVL ALERT
MMEL 24-09-04A
ELEC IDG 1(2) FILTER CLOG ALERT
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M(3 FT)
No specific	AR	AIR SOURCE FILTERED, DRY
No specific	AR	LIGHT SOURCE - INSPECTION
No specific	AR	MIRROR - INSPECTION
No specific	AR	WARNING NOTICE(S)

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

D. Referenced Information

REFERENCE	DESIGNATION
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
IDG Oil Level Sight Glass and DPI

3. Job Set-up
Subtask 24-20-00-941-052-A ** ON A/C NOT FOR ALL

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.
(c) Put WARNING NOTICE(S) 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) Put WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
(3) Wait ten minutes after the engine shutdown.

Subtask 24-20-00-010-053-A ** ON A/C NOT FOR ALL

B. 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 24-20-00-040-053-A ** ON A/C NOT FOR ALL

C. 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 24-20-00-010-054-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Open the left thrust-reverser cowl-door (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.

4. Procedure
Subtask 24-20-00-160-050-A ** ON A/C NOT FOR ALL

A. Cleaning of the IDG Oil Sight-Glass for Correct Conditions

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:

FLUSH IT AWAY WITH CLEAN WATER
GET MEDICAL AID.

(1) Make sure that the IDG oil sight-glass is clean.
(a) If the IDG oil sight-glass is not clean:

Clean the sight glass with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) , and
Remove the remaining solvent with a clean Textile-Lint free Cotton - (Material No.14SBA1) or blow air on the sight glass with a AIR SOURCE FILTERED, DRY to dry it.

(b) If the IDG oil sight-glass is clean:
Go to Para. B. of the Procedure.

Subtask 24-20-00-210-055-A ** ON A/C NOT FOR ALL

B. Check of the IDG Maintenance Conditions

CAUTION: DO NOT DO THIS TASK IF THE IDG IS DISCONNECTED. BEFORE YOU DO A CHECK OF THE IDG OIL LEVEL, MAKE SURE THAT THE IDG IS CONNECTED. A DISCONNECTED IDG CAN CAUSE AN INCORRECT OIL QUANTITY INDICATION AND THUS INCORRECT SERVICING. IF THE LEVEL IS TOO HIGH OR TOO LOW, DAMAGE CAN OCCUR TO THE IDG WHEN IT OPERATES.

CAUTION: DO NOT OPERATE THE IDG WITHOUT SUFFICIENT OIL. THIS WILL CAUSE DAMAGE TO THE IDG.

(1) Make sure that the IDG oil level at the sight glass is not in the lower red band.
(2) Make sure that the red button of the IDG DPI oil filter is not extended.

Use an LIGHT SOURCE - INSPECTION and an MIRROR - INSPECTION, if necessary.

5. Close-up
Subtask 24-20-00-410-053-A ** ON A/C NOT FOR ALL

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 left thrust-reverser cowl-door (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL

Subtask 24-20-00-440-054-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 24-20-00-410-054-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).

[Rev.10 from 2021] 2026.03.31 23:19:28 UTC