Removal of the Data Entry Plug Assembly 4000KS-J6 [IAE]

TASK 73-22-35-000-011-B
Removal of the Data Entry Plug Assembly 4000KS-J6

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.

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 gives the procedure for the removal and installation of the power plant data entry plug assembly.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	BAG - PLASTIC
No specific	AR	CAP - PROTECTION
No specific	AR	WARNING NOTICE(S)
IAE1R19416	1	WRENCH-SPECIAL 4 AND 8 SLOT CONNECTOR, LIFTING

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)
Data Entry Plug Assembly

3. Job Set-up
Subtask 73-22-35-941-055-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 73-22-35-010-055-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.

4. Procedure
Subtask 73-22-35-020-051-A ** ON A/C NOT FOR ALL

A. Remove the Data Entry Plug assembly as follows:
(1) Disconnect the data entry plug assembly (1) from the rear side of the electronic engine control (2). Use the IAE1R19416 WRENCH-SPECIAL 4 AND 8 SLOT CONNECTOR, LIFTING.

Data Entry Plug Assembly ** ON A/C NOT FOR ALL

NOTE: The Data Entry Plug (DEP) assembly must not be removed from the engine, unless to complete a rework or repair. Do not remove the DEP from one engine and install it on a different engine. A DEP from an engine can be modified and identified again only by Service Bulletin incorporation for that engine. The data on the engine identification plate must be the same as that marked on the DEP backshell (DEP P/N, EPR MOD, ENG SN, TAKE-OFF RATING-BUMP and VARIANT).

(2) Remove the Data entry Plug:

CAUTION: DO NOT DISASSEMBLE THE DATA ENTRY PLUG (DEP) ASSEMBLY WHEN YOU REMOVE IT FROM THE ENGINE. THE DEP BACKSHELL AND THE DEP CONNECTOR MUST BE AN ASSEMBLY UNTIL THE DEP IS REPAIRED OR REPLACED BY THE PROCEDURES GIVEN IN THE APPROVED REPAIRS. DISASSEMBLY OF THE DEP COULD CAUSE THE INCORRECT CONNECTOR ASSEMBLY TO BE INSTALLED ON THE ENGINE OR CONTAMINATION OF THE CONNECTOR ASSEMBLY.

(a) Remove the data entry plug assembly (8) from the fan case Flange FC.

Data Entry Plug Assembly ** ON A/C NOT FOR ALL

(b) Hold the pin (9) with a wrench in the hexagon opening.
(c) Turn the collar (7) in a counterclockwise direction with a pair of pliers.
(d) Remove the collar (7), the data entry plug assembly (8) and the pin (9).
(e) Discard the collar (7).
(3) Install a CAP - PROTECTION or a BAG - PLASTIC to the data entry plug assembly.

[Rev.10 from 2021] 2026.04.01 03:00:54 UTC