Removal of the IDG Oil Filter(s)

TASK 24-21-51-000-041-B
Removal of the IDG Oil Filter(s)

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: 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.

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

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	CAP - BLANKING
No specific	AR	CONTAINER 10 L(2 1/2 USGAL)
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 12-13-24-680-040-B	Draining of the Oil from the Integrated Drive Generator (IDG)
TASK 24-21-00-210-044-A	Inspection of the Filter Element(s)
TASK 71-13-00-010-040-B	Opening of the Fan Cowl Doors
IDG Oil Filters

3. Job Set-up
Subtask 24-21-51-941-057-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) in position to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the 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 a WARNING NOTICE(S) in position to tell persons not to energize the FADEC 1(2).

Subtask 24-21-51-010-060-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowl doors (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 24-21-51-680-055-A ** ON A/C NOT FOR ALL

A. Draining of the IDG oil
(1) Drain the oil from the IDG (Ref. AMM TASK 12-13-24-680-040).

Subtask 24-21-51-020-075-B ** 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.

B. Removal of the IDG Oil Scavenge and Charge Filters

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

(1) Cut and remove the lockwire from the filter cover (1).

NOTE: you can put a CONTAINER 10 L(2 1/2 USGAL) below the filter cavity.

(2) Remove the filter cover (1).
(3) Remove and discard the packing (2) from the filter cover (1).
(4) Remove the filter element (3).
(5) Remove and discard the packing (4) from the filter element (3).
(6) Install a CAP - BLANKING on the filter cavity port.

Subtask 24-21-51-210-061-A ** ON A/C NOT FOR ALL

C. Inspection of the Filter Element(s)
(1) Do the inspection of the filter element(s) (Ref. AMM TASK 24-21-00-210-044), and if necessary, replace it by a new filter element (3).

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