4. Procedure
_________
Subtask 31-36-00-960-050
A. Replacement of DMU Batteries R (Ref. Fig. 205/TASK 31-36-00-991-002)
(1)
Removal of the DMU batteries:
(a)
Loosen the 2 captive screws on the battery housing cover on the rear panel of the unit.
(b)
Remove the battery housing cover.
(c)
Remove the batteries.
(2)
Installation of the DMU batteries:
(a)
Put the new batteries into the space provided in the rear of the unit. Make sure the polarity (+/-) is correct.
(b)
Put the battery housing cover in the location provided on the rear of the unit.
(c)
Attach the 2 captive screws on the battery housing cover.
5. Close-up
________
Subtask 31-36-00-400-053
A. Install the DMU (Ref. TASK 31-36-34-400-001).
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Replacement of the DMU Batteries R Figure 205/TASK 31-36-00-991-002
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B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 824. (Ref. TASK 52-41-00-410-002)
(3)
Remove the access platform(s). Subtask 31-36-00-710-072
C.
Operational test of the DMU (Ref. TASK 31-36-00-710-001).
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_____________________________________________________ R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
TASK 31-36-00-710-001
Test of the DMU (1TV)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 31-32-00-860-008 Procedure to Get Access to the SYSTEM REPORT/TEST/INST Page
3. Job Set-up
__________
Subtask 31-36-00-861-050
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Energize the CFDS (Ref. TASK 31-32-00-860-008).
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B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU RCDR/ACCLRM 9TU K18 121VU AIDS/DMU 4TV K15
4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-105,
Subtask 31-36-00-710-052
A. Do the DMU Fault Monitoring test. NOTE : If the PRINT> prompt shows on the MCDU display you can print the
____
available information.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU:
-
Push the line key adjacent to <CFDS indication.
-
Push the line key adjacent to <SYSTEM REPORT/TEST indication.
-
Push the line key adjacent to INST> indication.
-
Push the line key adjacent to DMU> indication.
-
Push line key adjacent to TEST> indication.
-
Push the line key adjacent to <DMU POWER-UP TEST indication.
On the MCDU display:
-
The CFDS page comes into view.
-
The SYSTEM REPORT/TEST page comesinto view.
-
The SYSTEM REPORT/TEST - INST pagecomes into view.
-
The AIDS page comes into view.
-
The AIDS TEST page comes into view.
-
The message IN PROGRESS shows.
-After 4 seconds the message TEST OK shows.
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