W DOC AIRBUS | AMM A320F

Removal of the Engine Interface Unit (EIU) [PW11]

TASK 73-25-34-000-802-A
Removal of the Engine Interface Unit (EIU)

FIN: 1KS1 ** ON A/C NOT FOR ALL
FIN: 1KS2 ** 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
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
824
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 52-41-00-010-002-A
Open the Avionics Compartment Doors for Access
F Engine Interface Unit (EIU)
3. Job Set-up
Subtask 73-25-34-865-075-A ** ON A/C NOT FOR ALL
A. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUCOM/CVR/SPLY23RKE14
49VUCOM/CVR/CTL26RKE13
** ON A/C NOT FOR ALL
49VUANTI ICE/PROBES/AOA/14DA1D04
49VUANTI ICE/PROBES/PITOT/13DA1D02
49VUANTI ICE/RAIN/RPLNT/CAPT1DB1D01
** ON A/C NOT FOR ALL
49VURCDR1 CVR&FDR40TUE14
49VURCDR CTL41TUE13
** ON A/C NOT FOR ALL
121VURCDR/DFDR7TUK16
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK16
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK39
** ON A/C NOT FOR ALL
122VUANTI ICE/WINDOWS/R4DG2W14
122VUANTI ICE/RAIN/RPLNT/F/O1DB2W11
122VUANTI ICE/WINDOWS/L4DG1X14
122VUANTI ICE/PROBES/2/TAT1DA2Y15
122VUANTI ICE/PROBES/2/PITOT3DA2Y14
122VUANTI ICE/PROBES/2/AOA4DA2Y13
122VUANTI ICE/PROBES/2/STATIC5DA2Y11
122VUANTI ICE/PROBES/3/PITOT3DA3Z16
122VUANTI ICE/PROBES/3/AOA4DA3Z15
122VUANTI ICE/PROBES/3/STATIC5DA3Z14
122VUANTI ICE/PROBES/1/STATIC5DA1Z13
122VUANTI ICE/PROBES/1/TAT1DA1Z12
FOR FIN: 1KS1 (EIU1)
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
** ON A/C NOT FOR ALL
49VURCDR1 CVR&FDR40TUE14
49VURCDR CTL41TUE13
** ON A/C NOT FOR ALL
121VUENGINE/IGN/ENG1/SYS B3JH1P41
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK16
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK39
** ON A/C NOT FOR ALL
FOR FIN: 1KS2 (EIU2)
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
** ON A/C NOT FOR ALL
49VURCDR1 CVR&FDR40TUE14
49VURCDR CTL41TUE13
** ON A/C NOT FOR ALL
121VUENGINE/IGN/ENG2/SYS B3JH2P42
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK16
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK39
Subtask 73-25-34-865-097-A ** ON A/C NOT FOR ALL
WARNING: MAKE SURE THAT YOU OPEN THE CIRCUIT BREAKERS AS FOLLOWS:
  • 1JH AND 3JH1 BEFORE 2KS1
  • 1JH AND 3JH2 BEFORE 2KS2.
IF YOU DO NOT OBEY THIS SEQUENCE, THERE IS A RISK OF ELECTROCUTION. THIS IS BECAUSE YOU WILL START CONTINUOUS IGNITION IF YOU OPEN CIRCUIT BREAKER 2KS1 OR 2KS2 FIRST.
WARNING: MAKE SURE THAT THE PROBE HEATER AND WINDOW HEATER CIRCUIT-BREAKERS ARE OPEN BEFORE YOU OPEN THE PHC AND WHC CIRCUIT BREAKERS. IF YOU DO NOT OBEY THIS SEQUENCE:
  • THE PROBES WILL BECOME TOO HOT.
  • THIS CAN CAUSE INJURY TO MAINTENANCE PERSONNEL AND/OR DAMAGE TO EQUIPMENT.
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUANTI ICE/PROBES/PHC/12DA1D03
122VUANTI ICE/PROBES/PHC/32DA3Y16
122VUANTI ICE/PROBES/PHC/22DA2Y12
FOR FIN: 1KS1 (EIU1)
49VUENGINE/1/FADEC A/AND EIU 12KS1A04
** ON A/C NOT FOR ALL
121VUENGINE/ENG1/FADEC B/AND EIU 14KS1R41
** ON A/C NOT FOR ALL
121VUENGINE/ENG1/FADEC B/AND EIU 14KS1R40
** ON A/C NOT FOR ALL
FOR FIN: 1KS2 (EIU2)
49VUENGINE/2/FADEC A/AND EIU 22KS2A05
** ON A/C NOT FOR ALL
121VUENGINE/ENG2/FADEC B/AND EIU24KS2Q40
** ON A/C NOT FOR ALL
121VUENGINE/ENG2/FADEC B/AND EIU24KS2R41
Subtask 73-25-34-010-057-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
   (2) Open access door 824 (Ref. AMM TASK 52-41-00-010-002).
4. Procedure
Subtask 73-25-34-020-054-A ** ON A/C NOT FOR ALL
A. Removal of the Engine Interface Unit (EIU)
   (1) Loosen the knurled nut (5).
   (2) Lower the knurled nut (5) to release the hook (4).
   (3) Pull the engine interface unit (1) with the handle (3) until the connector (6) is disconnected.
   (4) Remove the engine interface unit (1) from its support (2).
   (5) Put the CAP - BLANKING on the electrical connectors.
[Rev.10 from 2021] 2026.04.01 03:03:24 UTC
"Aviabrain" 2025