Replacement of the Packing on the Strainer of the Angle Gearbox [IAE]

TASK 72-60-00-960-802-A
Replacement of the Packing on the Strainer of the Angle Gearbox

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.

ZONE: 400

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 )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V10-077)	approved engine oils

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
30	PACKING	AIPC 72-60-41-80-030

E. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 71-00-00-710-012-B	Test No.3 : Idle 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)
Angle Gearbox Strainer

3. Job Set-up
Subtask 72-60-00-941-058-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put the 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 five minutes before you do this procedure.
(3) On 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 the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 72-60-00-010-070-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowls (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 72-60-00-960-051-A ** ON A/C NOT FOR ALL

A. Replacement of the Packing on the Strainer of the Angle Gearbox

Angle Gearbox Strainer ** ON A/C NOT FOR ALL

(1) Remove the fastener (10) that secures the strainer (20) from the bottom right side of the angle gearbox.
(2) Remove the strainer (20) from the angle gearbox.
(3) Remove and discard the packing (30).
(4) Lubricate the new AIPC 72-60-41-80-030 PACKING (30) with the approved engine oils (Material No.V10-077) .
(5) Install the new packing (30) on the strainer (20).
(6) Install the strainer (20) on the angle gearbox.
(7) Install the fastener (10) that secures the strainer (20) on the angle gearbox.
(a) TORQUE the fastener (10) to between 95 and 85 lbf.in (1.07 and 0.96 m.daN )

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

5. Close-up
Subtask 72-60-00-410-066-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.

Subtask 72-60-00-942-057-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) Remove the WARNING NOTICE(S).

Subtask 72-60-00-710-055-A ** ON A/C NOT FOR ALL

C. Do the idle leak test (Ref. AMM TASK 71-00-00-710-012).

[Rev.10 from 2021] 2026.04.01 02:46:39 UTC