W DOC AIRBUS | AMM A320F

Installation of the DMC

TASK 31-63-34-400-001-A
Installation of the DMC

ZONE: 127
ZONE: 128
FIN: 1WT1
FIN: 1WT2
FIN: 1WT3
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
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
127
REAR AVIONIC COMPARTMENT
128
REAR AVIONIC COMPARTMENT
824
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 22-97-00-710-001-A
Operational Test of the LAND CAT III Capability
TASK 31-32-00-860-008-A
Procedure to Get Access to the SYSTEM REPORT/TEST/INST Page
TASK 31-60-00-610-003-A
X LOADING Procedure of the DMC1
TASK 31-60-00-610-004-A
X LOADING Procedure of the DMC2
TASK 31-60-00-610-005-A
X LOADING Procedure of the DMC3
TASK 31-60-00-710-001-A
Operational Test of the EIS
TASK 52-41-00-410-002-A
Close the Avionics Compartment Doors after Access
F DMC
3. Job Set-up
Subtask 31-63-34-860-050-A
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 31-63-34-865-051-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1WT1 (DMC1)
49VUEIS/DMC1/SPLY10WT1E11
49VUEIS/DMC1/SWTG21WT1E09
** ON A/C NOT FOR ALL
49VUEIS/DMC1/SPLY10WT1E10
49VUEIS/DMC1/SWTG21WT1E08
** ON A/C ALL
FOR FIN: 1WT2 (DMC2)
121VUEIS/DMC2/SPLY10WT2Q08
121VUEIS/DMC2/SWTG21WT2R08
FOR FIN: 1WT3 (DMC3)
49VUEIS/DMC3/SWTG21WT3E07
121VUEIS/DMC3/SPLY10WT3Q09
4. Procedure
Subtask 31-63-34-420-050-A
A. Installation of the DMC
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Remove the blanking caps from the electrical connectors (1).
   (4) Make sure that the electrical connectors (1) are in the correct condition.
   (5) Install the DMC (5) on its rack (2).
   (6) Push the DMC (5) on its rack (2) to connect the electrical connectors (1).
   (7) Engage the nuts (3) on the lugs (4) and tighten.
Subtask 31-63-34-865-052-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1WT1 (DMC1)
49VUEIS/DMC1/SPLY10WT1E11
49VUEIS/DMC1/SWTG21WT1E09
** ON A/C NOT FOR ALL
49VUEIS/DMC1/SPLY10WT1E10
49VUEIS/DMC1/SWTG21WT1E08
** ON A/C ALL
FOR FIN: 1WT2 (DMC2)
121VUEIS/DMC2/SPLY10WT2Q08
121VUEIS/DMC2/SWTG21WT2R08
FOR FIN: 1WT3 (DMC3)
49VUEIS/DMC3/SWTG21WT3E07
121VUEIS/DMC3/SPLY10WT3Q09
Subtask 31-63-34-740-050-A ** ON A/C NOT FOR ALL
C. Check the P/N update
   (1) Do the procedure to get the SYSTEM REPORT/TEST INST:DISPLAY page (Ref. AMM TASK 31-32-00-860-008)
NOTE: The actions and results of this procedure occur on the MCDU you use.
ACTION
RESULT
1. Push the line key adjacent to the EIS1 (2 or 3) indication
- the DMC1 (2 or 3) menu page comes into view
2. Push the line key adjacent to the LRU IDENT indication
- the LRU IDENTIFICATION page comes into view.
Make sure that the DMC - EIS SOFTWARE P/N shown on the LRU IDENTIFICATION page is the same as the computer P/N (given on the front face of the disks located in the disk stowage box). Make sure that the DMC - EIS SOFTWARE P/N shown on the LRU IDENTIFICATION page is the same as the other EIS components SOFTWARE P/N (the PFD CAPT, the ND CAPT, the EWD, the SD, the ND F/O, the PFD F/O, the other DMC's)
NOTE: If the SOFTWARE P/N is not the same, you must perform a XLOADING procedure (this is the case when another DMC is already loaded), or an uploading procedure (case when no DMC has been already loaded).
Subtask 31-63-34-740-051-A ** ON A/C NOT FOR ALL
D. Perform the Xloading procedure
Whenever necessary, that is when the P/N needs to be updated perform the Xloading procedure of the DMC (Ref. AMM TASK 31-60-00-610-003), (Ref. AMM TASK 31-60-00-610-004) or (Ref. AMM TASK 31-60-00-610-005).
Subtask 31-63-34-710-051-A
E. Do the operational test of the Electronic Instrument System (EIS) (Ref. AMM TASK 31-60-00-710-001)

NOTE: (VALID FOR THE PFD AND ND)
If the A/C is operated in CAT3 conditions, you must also do the test: (Ref. AMM TASK 22-97-00-710-001).

5. Close-up
Subtask 31-63-34-410-050-A
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).

[Rev.10 from 2021] 2026.04.01 00:38:34 UTC
"Aviabrain" 2025