Installation of the Scavenge Oil Filter Assembly [IAE]

TASK 79-22-43-400-010-A
Installation of the Scavenge Oil Filter Assembly

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.

ZONE: 400
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** 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 95 and 85 lbf.in (1.07 and 0.96 m.daN )
No specific	Torque wrench: range to between 177 and 159 lbf.in (2.00 and 1.80 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V02-126)	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
8	PACKING	AIPC 79-22-41-80-250
19	PACKING	AIPC 79-22-43-80-040
3	PACKING	AIPC 79-22-43-80-050
4	PACKING	AIPC 79-22-43-80-070

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 70-40-11-911-014-A	Locking Devices General Information
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)
TASK 79-22-44-400-010-A	Installation of the Scavenge Oil Filter Element
TASK 79-22-45-400-010-A	Installation of the Magnetic Chip Detector
TASK 79-32-16-400-010-A	Installation of the Scavenge Oil Temperature Thermocouple
Scavenge Oil Filter Housing Assembly

3. Job Set-up
Subtask 79-22-43-860-050-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 79-22-43-010-051-A ** ON A/C NOT FOR ALL

B. Make sure that the fan cowl doors are open: (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 79-22-43-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the Scavenge Oil Filter Housing Assembly:

Scavenge Oil Filter Housing Assembly ** ON A/C NOT FOR ALL

(1) Remove the caps from the openings.
(2) Install the oil tubes on the scavenge oil filter housing assembly
(a) Install new AIPC 79-22-43-80-050 PACKING (3) and AIPC 79-22-43-80-040 PACKING (19) on the oil feed tube (22) (Ref. AMM TASK 70-23-13-911-010).
(b) Lubricate the oil feed tube mating faces on the scavenge oil filter housing assembly and the oil tank assembly using V10-077lubricant (engine oil).

Pre SBE 79-0064
(c) Attach the oil feed tube (22) on the scavenge oil filter housing assembly with the three bolts (21) and the three washers (20).
(d) Tighten the bolts (21) with your hand.

SBE 79-0064
(e) Install the oil feed tube (22) on the scavenge oil filter housing assembly.
END of SBE 79-0064
(f) Install new AIPC 79-22-43-80-070 PACKING (4) and AIPC 79-22-41-80-250 PACKING (8) on the oil tube (10) (Ref. AMM TASK 70-23-13-911-010).
(g) Lubricate the oil feed tube mating faces on the scavenge oil filter housing assembly and the oil scavenge pump with V10-077lubricant (engine oil).
(h) Attach the oil tube (10) on the scavenge oil filter housing assembly with the three bolts (9) and the three washers (11).
(i) Tighten the bolts (9) with your hand.
(3) Install the scavenge oil filter assembly on the oil tank
(a) Put the scavenge oil filter housing assembly with the oil feed tube (22) and the oil tube (10) in position on the oil tank.
(b) Align and engage the flange of the oil feed tube (22) with the flange on the oil tank.
(c) Install the bracket (2), the washer (23) and the three bolts (1).
(d) Tighten the bolts (1) with your hand.
(e) Align and engage the flange of the oil tube (10) with the flange on the oil scavenge pump (7).
(f) Install the washer (6) and the bolts (5).
(g) Tighten the bolts (5) with your hand.
(h) Install the three washers (14) and the three bolts (13).
(i) TORQUE the bolts (13) to between 95 and 85 lbf.in (1.07 and 0.96 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(j) TORQUE the bolts (1), (5), (9) and (21) to between 95 and 85 lbf.in (1.07 and 0.96 m.daN )

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

Subtask 79-22-43-420-051-A ** ON A/C NOT FOR ALL

B. Installation of the Magnetic Chip Detector and the Scavenge Oil Filter Element:
(1) Connect the oil tubes:

Scavenge Oil Filter Housing Assembly ** ON A/C NOT FOR ALL

(a) Connect the oil tubes (16) and (17).
(b) TORQUE the tube connector to between 177 and 159 lbf.in (2.00 and 1.80 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(c) Safety the tube connectors with lockwire (Material No.V02-126) (Ref. AMM TASK 70-40-11-911-014).
(2) Install the magnetic chip detector housing (Ref. AMM TASK 79-22-45-400-010).
(3) Install the oil temperature sensor (Ref. AMM TASK 79-32-16-400-010).
(4) Install the scavenge oil filter element (Ref. AMM TASK 79-22-44-400-010).

NOTE: Install a new filter element (Ref. AMM TASK 79-22-44-400-010). Scavenge oil filter housing assemblies are delivered without filter element.

Subtask 79-22-43-612-050-A ** ON A/C NOT FOR ALL

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

5. Close-up
Subtask 79-22-43-410-050-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 79-22-43-790-050-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 03:40:31 UTC