Installation of the Mating Ring [IAE]

TASK 72-60-29-400-010-A
Installation of the Mating Ring

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.

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)
IAE1F10070	1	PUSHER-INSTALLATION

B. Work Zones and Access Panels

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

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	PACKING	AIPC 72-60-29-80-010
2	MATING RING	AIPC 72-60-29-80-020

D. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-13-911-010-A	Procedures for the Installation of Preformed Packings
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 72-60-31-400-010-A	Installation of the Seal Assembly
TASK 72-61-49-400-010-B	Installation of the Gearbox Breather Outlet Duct (GBOD)
Mating Ring

3. Job Set-up
Subtask 72-60-29-860-050-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 72-60-29-010-052-A ** ON A/C NOT FOR ALL

B. Make sure that the fan cowls 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 72-60-29-420-050-A ** ON A/C NOT FOR ALL

A. Install the mating ring on to the deoiler gear.

Mating Ring ** ON A/C NOT FOR ALL

(1) Remove all Covers/Caps/Plugs from the Openings
(2) Install a new AIPC 72-60-29-80-010 PACKING (1) in to the internal groove of a new AIPC 72-60-29-80-020 MATING RING (2) (Ref. AMM TASK 70-23-13-911-010).
(3) Assemble the mating ring (2) on to the pusher with the large contact face against the pusher slide.
(4) Install the pusher, with the mating ring attached, in to the deoiler gear (4).
(5) Align the lugs on the smaller diameter of the mating ring (2) with the slots on the nut.
(6) Use the IAE1F10070 PUSHER-INSTALLATION, to fully install the mating ring (2) in to the deoiler gear (4).
(7) Remove the pusher, IAE1F10070.

5. Close-up
Subtask 72-60-29-410-051-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the seal assembly (Ref. AMM TASK 72-60-31-400-010).
(2) Install the gearbox breather outlet duct (Ref. AMM TASK 72-61-49-400-010).

Subtask 72-60-29-410-050-A ** ON A/C NOT FOR ALL

B. 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):
(3) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(4) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(5) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:46:55 UTC