Removal of the Fuel Pump Drive Seal Assembly and Mating Ring [IAE]

TASK 72-60-25-000-010-B
Removal of the Fuel Pump Drive Seal Assembly and Mating Ring

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: 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.

WARNING: BE CAREFUL NOT TO GET AIRCRAFT FUEL IN YOUR MOUTH OR IN YOUR EYES. IF YOU GET FUEL ON YOUR SKIN OR ON YOUR CLOTHES, FLUSH IT IMMEDIATELY WITH WATER. IF NECESSARY, GET MEDICAL HELP. AIRCRAFT FUEL IS POISONOUS.

ZONE: 400
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

1. Reason for the Job
This TASK is for V2500-A5 engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	COVER - BLANKING
No specific	AR	WARNING NOTICE(S)
IAE1F10007	1	PULLER-REMOVAL
IAE1F10008	1	PULLER-REMOVAL

B. 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

C. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 73-12-41-000-010-B	Removal of the Low Pressure (LP)/High Pressure (HP) Fuel Pump
Fuel Pump Drive Seal Assembly and Mating Ring

3. Job Set-up
Subtask 72-60-25-941-051-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 72-60-25-010-052-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.

Subtask 72-60-25-020-052-A ** ON A/C NOT FOR ALL

C. Remove the fuel pump (Ref. AMM TASK 73-12-41-000-010).

4. Procedure
Subtask 72-60-25-020-053-A ** ON A/C NOT FOR ALL

A. Remove the fuel Pump Drive Seal Assembly and mating ring:
(1) Remove the seal assembly.

Fuel Pump Drive Seal Assembly and Mating Ring ** ON A/C NOT FOR ALL

(a) Remove the three bolts (7) and the washers (8) which attach the seal assembly (1) to the fuel pump drive housing (5).
(b) Install the IAE1F10008 PULLER-REMOVAL, on to the seal assembly (1).
(c) Use the IAE1F10008 PULLER-REMOVAL, to remove the seal assembly (1).
(d) Remove and discard the packing (2).
(e) Remove the IAE1F10008 PULLER-REMOVAL, from the seal assembly (1).
(f) Discard the seal assembly (1).
(2) Remove the mating ring.
(a) Install the IAE1F10007 PULLER-REMOVAL on to the mating ring (4).
(b) Use the IAE1F10007 PULLER-REMOVAL, to remove the mating ring (4) from the fuel pump drive gear (5).
(c) Remove and discard the packing (3).
(d) Remove the IAE1F10007 PULLER-REMOVAL, from the mating ring (4).
(e) Discard the mating ring (4).

Subtask 72-60-25-620-051-A ** ON A/C NOT FOR ALL

B. Install COVER - BLANKING to all exposed openings.

[Rev.10 from 2021] 2026.04.01 02:46:50 UTC