Removal of the Adapter Housing [IAE]

TASK 73-12-41-000-011-B
Removal of the Adapter Housing

FIN: 2001EM ** 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 - BLANKING
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)
TASK 73-12-41-000-010-B	Removal of the Low Pressure (LP)/High Pressure (HP) Fuel Pump
Adapter Housing

3. Job Set-up
Subtask 73-12-41-941-053-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 73-12-41-010-061-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 73-12-41-010-062-A ** ON A/C NOT FOR ALL

A. Remove the Low Pressure/High Pressure (LP/HP) fuel pump (Ref. AMM TASK 73-12-41-000-010).

Subtask 73-12-41-020-059-A ** ON A/C NOT FOR ALL

B. Removal of the adapter housing (227)

Adapter Housing ** ON A/C NOT FOR ALL

(1) Remove the bolt (232) and the washer (233) which attach the clip (231) to the bracket (234) at Detail AE.
(2) Remove the four nuts (222) and the four washers (221), the two nuts (223) and the bracket (224).
(3) Remove the adapter housing (227).
(4) Remove and discard the sealing ring (226).
(5) Put the applicable COVER - BLANKING on all the openings.

[Rev.10 from 2021] 2026.04.01 03:00:18 UTC