Removal of the Engine Dedicated Alternator (EDA) Stator and/or Cooling Shroud [IAE]

TASK 73-22-38-000-010-B
Removal of the Engine Dedicated Alternator (EDA) Stator and/or Cooling Shroud

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.

FIN: 4005EV ** 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 - PROTECTION
No specific	AR	WARNING NOTICE(S)

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)
Engine Dedicated Alternator Stator
Engine Dedicated Alternator Stator SBE 73-0076

3. Job Set-up
Subtask 73-22-38-941-051-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 1(2).
(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 73-22-38-010-051-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

4. Procedure
Subtask 73-22-38-020-054-A ** ON A/C NOT FOR ALL

A. Disconnect the two electrical connectors (6) and (7) from the EDA stator (5).

Engine Dedicated Alternator Stator ** ON A/C NOT FOR ALL

Subtask 73-22-38-210-052-A ** ON A/C NOT FOR ALL

B. Examine the stator receptacle

Engine Dedicated Alternator Stator ** ON A/C NOT FOR ALL

(1) Do a visual examination of the receptacle pins.
(a) If the pins are gold or grey, accept.
(b) If the pins are blackened with material loss, replace the stator, and the mating electrical harness connectors.

Subtask 73-22-38-020-051-A ** ON A/C NOT FOR ALL

CAUTION: BE CAREFUL WHEN YOU REMOVE THE EDA STATOR. THE MAGNETS OF THE ROTOR WILL PULL THE STATOR. DAMAGE TO THE STATOR LAMINATIONS AND THE ROTOR CAN OCCUR IF YOU DO NOT HOLD THE STATOR CAREFULLY.

C. Removal of the EDA Stator:

Engine Dedicated Alternator Stator ** ON A/C NOT FOR ALL

(1) Disconnect the air bearing compartment cooling tube (1) from the EDA stator.
(2) Remove the three nuts (4) and the bolts (3).
(3) Remove the EDA stator (5) from the rotor assembly.
(4) Remove the sealing ring (2) from the EDA stator (5).
(5) Discard the sealing ring (2).

Subtask 73-22-38-020-057-A ** ON A/C NOT FOR ALL

D. The dedicated alternator stator cooling shroud can be removed at this point if required by releasing the clamping nut.

Engine Dedicated Alternator Stator SBE 73-0076 ** ON A/C NOT FOR ALL

SBE 73-0076: Dedicated Alternator Stator - Introduction of new source of supply

END OF SBE 73-0076

NOTE: The procedure for removal of engine dedicated alternator stator cooling shroud on P/N 430201 does not apply to POST SBE 73-0073.

Subtask 73-22-38-020-058-A ** ON A/C NOT FOR ALL

E. Install COVER - PROTECTION to all exposed openings.

[Rev.10 from 2021] 2026.04.01 03:01:03 UTC