Removal of the Mating Ring [IAE]

TASK 72-60-29-000-010-A
Removal 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	COVER - PROTECTION
No specific	AR	WARNING NOTICE(S)
IAE1F10069	1	PULLER-REMOVAL

B. Work Zones and Access Panels

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

C. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 72-60-31-000-010-A	Removal of the Seal Assembly
TASK 72-61-49-000-010-B	Removal of the Gearbox Breather Outlet Duct (GBOD)
Mating Ring

3. Job Set-up
Subtask 72-60-29-941-050-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 72-60-29-010-050-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.

Subtask 72-60-29-010-051-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Remove the gearbox breather outlet duct (Ref. AMM TASK 72-61-49-000-010).
(2) Remove the seal assembly (Ref. AMM TASK 72-60-31-000-010).

4. Procedure
Subtask 72-60-29-020-050-A ** ON A/C NOT FOR ALL

A. Remove the mating ring from the deoiler gear:

Mating Ring ** ON A/C NOT FOR ALL

(1) Install the IAE1F10069 PULLER-REMOVAL, on to the mating ring (2).
(2) Use the puller, IAE1F10069, to remove the mating ring (2).
(3) Remove and discard the packing (1).
(4) Remove the puller, IAE1F10069, fron the mating ring (2).
(5) Put COVER - PROTECTION on all the openings.

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