DOC AIRBUS | AMM A320FInstallation of the FDIU/DMU (FDIMU)
TASK 31-36-34-400-002-A
Installation of the FDIU/DMU (FDIMU)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 31-36-34-860-058-A ** ON A/C NOT FOR ALL
Subtask 31-36-34-420-053-A ** ON A/C NOT FOR ALL
Subtask 31-36-34-410-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:36:09 UTC
Installation of the FDIU/DMU (FDIMU)
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 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 127 | REAR AVIONIC COMPARTMENT |
| 824 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 31-33-00-710-013-A | Flight Data Interface and Management Unit (FDIMU) DFDRS Software Load Procedure |
| TASK 31-33-00-710-013-B | Flight Data Interface and Management Unit (FDIMU) DFDRS Software Load Procedure with Portable Data Loader (PDL) |
| TASK 31-33-00-710-013-D | Flight Data Interface and Management Unit (FDIMU) DFDRS Software Load Procedure with Portable Data Loader (PDL) |
| TASK 31-33-00-710-013-E | Flight Data Interface and Management Unit (FDIMU) DFDRS Software Load Procedure with Portable Data Loader (PDL) |
| TASK 31-36-00-400-001-A | Installation of the Personal Computer Memory Card (PCMCIA) of the FDIMU/DMU |
| TASK 31-36-00-400-805-A | Installation of the Smart PCMCIA Card (SPC) of the FDIMU |
| TASK 31-36-00-710-008-A | AIDS Software Load Procedure through the PCMCIA-Card (PCMCIA = Personal Computer Memory Card International Association) |
| TASK 31-36-00-710-013-A | FDIMU AIDS Software Load Procedure with the PDL |
| TASK 31-36-00-710-013-A-01 | FDIMU AIDS Software Load Procedure with the MDDU |
| TASK 31-36-00-710-013-B | FDIMU AIDS Software Load Procedure with the PDL |
| TASK 31-36-00-710-013-E | FDIMU AIDS Software Load Procedure with the PDL |
| TASK 31-36-00-740-012-A | Test of the Flight Data Interface and Management Unit (FDIMU) |
| TASK 31-36-00-740-013-A | Update of the APU Hours and Cycles in the FDIMU after APU, ECB or FDIMU Replacement |
| TASK 31-36-00-740-014-A | Update of the Engine Hours and Cycles in the Flight Data Interface and Management Unit (FDIMU) |
| TASK 31-36-00-740-016-A | Flight Data Interface and Management Unit (FDIMU) Programming Procedures |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
Flight Data Interface Management Unit (FDIMU)Subtask 31-36-34-860-058-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
(3) Install the PCMCIA-Card(s) to the FDIMU (Ref. AMM TASK 31-36-00-400-001), if you have removed it(them) before.
Subtask 31-36-34-860-058-C ** ON A/C NOT FOR ALL (1) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
(3) Install the PCMCIA-Card(s) to the FDIMU (Ref. AMM TASK 31-36-00-400-001), if you have removed it(them) before.
A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
Subtask 31-36-34-865-059-A ** ON A/C NOT FOR ALL (1) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | AIDS & RCDR/FDIMU | 5TV | K15 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | AIDS & RCDR/FDIMU | 5TV | K38 |
Subtask 31-36-34-420-053-A ** ON A/C NOT FOR ALL
A. Installation of the FDIMU.
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interface and/or the adjacent area.
(3) Remove the blanking caps from the electrical connectors (2).
(4) Make sure that the electrical connectors (2) are clean and in the correct condition.
(5) Install the FDIMU (1) on its rack (3).
(6) Push the FDIMU (1) on its rack (3) to connect the electrical connectors (2).
(7) Engage the nuts (4) on the lugs (5) and tighten.
(8) Switch the ON/OFF switch to the ON position.
To do so:
(a) open the small door on the left of the front face, the one bearing the caution: "BEFORE INSTALLING SET INSIDE SWITCH TO ON". Push down the small handle and the door swivels open to show a hole in the upper part with a switch.
(b) Use one finger to set the switch to ON.
(c) Swivel back the door to its closed position.
Subtask 31-36-34-420-053-B ** ON A/C NOT FOR ALL (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interface and/or the adjacent area.
(3) Remove the blanking caps from the electrical connectors (2).
(4) Make sure that the electrical connectors (2) are clean and in the correct condition.
(5) Install the FDIMU (1) on its rack (3).
(6) Push the FDIMU (1) on its rack (3) to connect the electrical connectors (2).
(7) Engage the nuts (4) on the lugs (5) and tighten.
(8) Switch the ON/OFF switch to the ON position.
To do so:
(a) open the small door on the left of the front face, the one bearing the caution: "BEFORE INSTALLING SET INSIDE SWITCH TO ON". Push down the small handle and the door swivels open to show a hole in the upper part with a switch.
(b) Use one finger to set the switch to ON.
(c) Swivel back the door to its closed position.
A. Installation of the FDIMU.
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interface and/or the adjacent area.
(3) Remove the blanking caps from the electrical connectors (2).
(4) Make sure that the electrical connectors (2) are clean and in the correct condition.
(5) Install the FDIMU (1) on its rack (3).
(6) Push the FDIMU (1) on its rack (3) to connect the electrical connectors (2).
(7) Engage the nuts (4) on the lugs (5) and tighten.
Subtask 31-36-34-865-060-A ** ON A/C NOT FOR ALL (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interface and/or the adjacent area.
(3) Remove the blanking caps from the electrical connectors (2).
(4) Make sure that the electrical connectors (2) are clean and in the correct condition.
(5) Install the FDIMU (1) on its rack (3).
(6) Push the FDIMU (1) on its rack (3) to connect the electrical connectors (2).
(7) Engage the nuts (4) on the lugs (5) and tighten.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 31-36-34-710-057-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | AIDS & RCDR/FDIMU | 5TV | K15 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | AIDS & RCDR/FDIMU | 5TV | K38 |
C. Do the Loading of the FDIMU software
(1) Load the DFDR software of the FDIMU (Ref. AMM TASK 31-33-00-710-013)
(2) Load the AIDS software of the FDIMU (Ref. AMM TASK 31-36-00-710-013) or (Ref. AMM TASK 31-36-00-710-008).
Subtask 31-36-34-554-060-A ** ON A/C NOT FOR ALL (1) Load the DFDR software of the FDIMU (Ref. AMM TASK 31-33-00-710-013)
(2) Load the AIDS software of the FDIMU (Ref. AMM TASK 31-36-00-710-013) or (Ref. AMM TASK 31-36-00-710-008).
D. Do the steps that follow
(1) Do the updating of APU hours and cycles data (Ref. AMM TASK 31-36-00-740-013) and of Engine hours and cycles data (Ref. AMM TASK 31-36-00-740-014) in the FDIMU
(2) Do the FDIMU programming procedures (Ref. AMM TASK 31-36-00-740-016).
Subtask 31-36-34-554-060-E ** ON A/C NOT FOR ALL (1) Do the updating of APU hours and cycles data (Ref. AMM TASK 31-36-00-740-013) and of Engine hours and cycles data (Ref. AMM TASK 31-36-00-740-014) in the FDIMU
(2) Do the FDIMU programming procedures (Ref. AMM TASK 31-36-00-740-016).
NOTE: If the Programmable Report Inhibit and Programmable Report Limits procedures were done before with the GSE, it is not necessary to do them again.
D. Do the steps that follow
(1) Do the FDIMU programming procedures (Ref. AMM TASK 31-36-00-740-016).
Subtask 31-36-34-554-060-F ** ON A/C NOT FOR ALL (1) Do the FDIMU programming procedures (Ref. AMM TASK 31-36-00-740-016).
NOTE: If the Programmable Report Inhibit and Programmable Report Limits procedures were done before with the GSE, it is not necessary to do them again.
D. Do the steps that follow
(1) Do the FDIMU programming procedures (Ref. AMM TASK 31-36-00-740-016).
Subtask 31-36-34-740-061-A ** ON A/C NOT FOR ALL Subtask 31-36-34-740-061-C ** ON A/C NOT FOR ALL Subtask 31-36-34-420-054-A ** ON A/C NOT FOR ALL (1) Do the FDIMU programming procedures (Ref. AMM TASK 31-36-00-740-016).
NOTE: If the Programmable Report Inhibit and Programmable Report Limits were not modified manually (via MCDU) on the FDIMU to be removed, then only the loading of the FDIMU database is required after installing the new FDIMU.
F. Install the smart PCMCIA card (SPC) to the FDIMU (Ref. AMM TASK 31-36-00-400-805), if you have removed it before.
5. Close-upSubtask 31-36-34-410-053-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 the access door 824. (Ref. AMM TASK 52-41-00-410-002)
(3) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access door 824. (Ref. AMM TASK 52-41-00-410-002)
(3) Remove the access platform(s).