Installation of the Pressure Oil Filter Element [IAE]

TASK 79-21-44-400-010-A
Installation of the Pressure Oil Filter Element

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

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

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.

ZONE: 400
FIN: 6005EM ** 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	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 71 and 53 lbf.in (0.80 and 0.60 m.daN )
No specific	Torque wrench: range to between 95 and 85 lbf.in (1.07 and 0.96 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V02-119)	corrosion resistant steel lockwire
(Material No.V10-077)	lubricant (engine oil)

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. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
6	PACKING	AIPC 79-21-44-80-050
8	PACKING	AIPC 79-21-44-80-070

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-13-79-610-011-A	Check Oil Level and Replenish
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 70-23-13-911-010-A	Procedures for the Installation of Preformed Packings
TASK 71-00-00-710-012-B	Test No.3 : Idle Leak Check
TASK 71-00-00-710-045-A	Test No.1 : Dry Motor Leak Check
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
Pressure Oil Filter Element

3. Job Set-up
Subtask 79-21-44-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).

Subtask 79-21-44-010-051-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-010)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR

4. Procedure
Subtask 79-21-44-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the Pressure Oil Filter
(1) Remove all the covers from the openings.
(2) Install the new AIPC 79-21-44-80-050 PACKING (6) on the filter cover (Ref. AMM TASK 70-23-13-911-010):
(a) Lubricate the new packing (6) with the V10-077lubricant (engine oil).
(b) Install the packing (6) on the cover (5).
(3) Install the filter element (7) into the oil filter housing (1).
(4) Install the cover:
(a) Install the cover (5) on the oil filter housing (1).
(b) Install the six nuts (3) with the washers (2) to attach the cover to the oil filter housing (1).
(c) TORQUE the nuts (3) to between 95 and 85 lbf.in (1.07 and 0.96 m.daN )

(Ref. AMM TASK 70-23-11-911-013).

PRE SBE 79-0101
(5) Install the priming valve (10) and nut (4).
(a) Install the new AIPC 79-21-44-80-070 PACKING (8) onto the priming valve (10).
(b) Install the priming valve (10).
(c) TORQUE the priming valve (10) to between 71 and 53 lbf.in (0.80 and 0.60 m.daN )

.
(d) Install the nut (4) on the cover (5).
(e) TORQUE the nut (4) to between 71 and 53 lbf.in (0.80 and 0.60 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(f) Safety the priming valve (10) and nut (4).

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.

1 Safety the priming valve (10) and nut (4) with the corrosion resistant steel lockwire (Material No.V02-119) .

END OF PRE SBE 79-0101

POST SBE 79-0101
(6) Install the plug:
(a) Install a new AIPC 79-21-44-80-070 PACKING (8) and the plug (9) on the oil filter assembly cover (5).
(b) TORQUE the plug (9) to between 71 and 53 lbf.in (0.80 and 0.60 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(c) Safety the plug.

1 Safety the plug (9) with the corrosion resistant steel lockwire (Material No.V02-119) .

END OF POST SBE 79-0101

Subtask 79-21-44-612-050-A ** ON A/C NOT FOR ALL

B. Fill the engine oil system as necessary (Ref. AMM TASK 12-13-79-610-011).

5. Close-up
Subtask 79-21-44-410-050-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(3) Remove the WARNING NOTICE(S).

Subtask 79-21-44-790-050-B ** ON A/C NOT FOR ALL

B. Do an idle leak check (Ref. AMM TASK 71-00-00-710-012)or do a dry motor leak check (Ref. AMM TASK 71-00-00-710-045)

[Rev.10 from 2021] 2026.04.01 13:01:30 UTC