Removal of the Scavenge Oil Filter Element [IAE]

TASK 79-22-44-000-010-A
Removal of the Scavenge Oil Filter Element

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.

WARNING: DO NOT LET ENGINE OIL STAY ON YOUR SKIN FOR A LONG TIME. FLUSH THE OIL FROM YOUR SKIN WITH WATER. THE OIL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.

CAUTION: DO NOT PUT OIL THAT HAS BEEN DRAINED FROM THE ENGINE BACK IN TO THE OIL SYSTEM.

ZONE: 400
FIN: 6001EM ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	CONTAINER 10 L(2 1/2 USGAL)
No specific	AR	COVER - BLANKING
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V02-119)	lockwire

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 79-00-00-200-012-A	Inspection of the Oil Filters
Scavenge Oil Filter Element

3. Job Set-up
Subtask 79-22-44-941-050-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) 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) to tell persons not to energize the FADEC 1(2).

Subtask 79-22-44-010-050-A ** ON A/C NOT FOR ALL

B. Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR.

4. Procedure
Subtask 79-22-44-680-050-A ** ON A/C NOT FOR ALL

WARNING: USE 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.

A. Drain the scavenge oil filter casing

Scavenge Oil Filter Element ** ON A/C NOT FOR ALL

PRE SBE 79-0101

(1) Cut and discard the corrosion resistant steel lockwire (Material No.V02-119) (6) from the drain plug (8).
(2) Remove the drain plug (8) and drain the oil into the CONTAINER 10 L(2 1/2 USGAL).
(3) Discard the packing (7) and oil.

END OF PRE SBE 79-0101

Subtask 79-22-44-680-051-A ** ON A/C NOT FOR ALL

B. Drain the scavenge oil filter casing

Scavenge Oil Filter Element ** ON A/C NOT FOR ALL

POST SBE 79-0101

(1) Cut and discard the corrosion resistant steel lockwire (Material No.V02-119) (6) from the drain plug (12).
(2) Remove the drain plug (12) and the packing (11).
(a) Discard the packing (11).
(3) Drain the oil into the CONTAINER 10 L(2 1/2 USGAL).
(a) Discard the oil.

END OF POST SBE 79-0101

Subtask 79-22-44-010-051-A ** ON A/C NOT FOR ALL

C. Remove the scavenge oil filter cover

Scavenge Oil Filter Element ** ON A/C NOT FOR ALL

(1) Remove the bolts (9) and the washers (10).
(2) Remove the filter cover (5) and discard the packing (4).

Subtask 79-22-44-020-050-A ** ON A/C NOT FOR ALL

D. Remove the filter element (3) from the oil filter housing (1) and keep the oil filter element for inspection (Ref. AMM TASK 79-00-00-200-012).

Scavenge Oil Filter Element ** ON A/C NOT FOR ALL

(1) Remove the container and discard the drained oil.
(2) Put the applicable COVER - BLANKING on all of the openings.

[Rev.10 from 2021] 2026.04.01 03:40:32 UTC