W DOC AIRBUS | AMM A320F

Disconnection of the Maintenance Electronic Device (with the Local Maintenance Function (LMF)) from the Flight Operations and MAintenance eXchanger (FOMAX)


TASK 46-26-32-860-806-A
Disconnection of the Maintenance Electronic Device (with the Local Maintenance Function (LMF)) from the Flight Operations and MAintenance eXchanger (FOMAX)


ZONE: 128
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
072-3175-001
1
FOMAX LMF
072-3175-003
1
FOMAX LMF
072-3175-004
1
FOMAX LMF
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
128
REAR AVIONIC COMPARTMENT
824
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
3. Job Set-up
Subtask 46-26-32-861-062-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
   (2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at access door 824.
   (3) Make sure that access door 824 is open.
Subtask 46-26-32-865-065-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUFOMAX67TAJ01
** ON A/C NOT FOR ALL
121VUFOMAX67TAR12
4. Procedure
Subtask 46-26-32-860-066-A ** ON A/C NOT FOR ALL
A. Disconnection of the Maintenance Electronic Device (with the Local Maintenance Function (LMF)) from the FOMAX
   (1) On electronics rack 80VU, on shelf 81VU, get access to the FOMAX.
   (2) On the maintenance electronic device, stop the 072-3175-001 FOMAX LMF or the 072-3175-003 FOMAX LMF or the 072-3175-004 FOMAX LMF.
   (3) Stop the maintenance electronic device.
   (4) On electronics rack 80VU, disconnect the maintenance electronic device from the FOMAX maintenance plug (1) (74TA).
Subtask 46-26-32-860-066-B ** ON A/C NOT FOR ALL
A. Disconnection of the Maintenance Electronic Device (with the Local Maintenance Function (LMF)) from the FOMAX
   (1) On electronics rack 80VU, on shelf 81VU, get access to the FOMAX.
   (2) On the maintenance electronic device, stop the 072-3175-003 FOMAX LMF or the 072-3175-004 FOMAX LMF.
   (3) Stop the maintenance electronic device.
   (4) On electronics rack 80VU, disconnect the maintenance electronic device from the FOMAX maintenance plug (1) (74TA).
Subtask 46-26-32-860-066-CS ** ON A/C NOT FOR ALL
A. Disconnection of the Maintenance Electronic Device (with the Local Maintenance Function (LMF)) from the FOMAX
   (1) On electronics rack 80VU, on shelf 81VU, get access to the FOMAX.
   (2) On the maintenance electronic device, stop the 072-3175-004 FOMAX LMF.
   (3) Stop the maintenance electronic device.
   (4) On electronics rack 80VU, disconnect the maintenance electronic device from the FOMAX maintenance plug (1) (74TA).
5. Close-up
Subtask 46-26-32-410-056-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close access door 824.
   (3) Remove the access platform(s).
Subtask 46-26-32-862-062-A ** ON A/C NOT FOR ALL
B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.02 07:20:09 UTC