Subtask 34-22-25-860-063
B. Aircraft Maintenance Configuration
(1) On the SWITCHING panel 8VU, make sure that the AIR DATA selector switch is at NORM.
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C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU STBY/INST 5FN F12 105VU NAV/STBY/INST/BAT 23FN J01
Subtask 34-22-25-860-064
D. Aircraft Maintenance Configuration
(1) On panel 35VU, make sure that the ELEC/ BAT1 and ELEC/BAT2 pushbutton switches are released.
-the OFF legends is on.
4. Procedure
_________ Subtask 34-22-25-740-052
A. Operational Test of ISIS DC HOT BUS SUPPLY
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
Open circuit breaker 5FN.
2.
On overhead panel:
- on the panel 21VU, push and hold the EMER GEN TEST pushbutton switch (23XE).
-simultaneously, on the panel 35VU, release the ELEC/EXT PWR pushbutton switch (10XG).
3. On the overhead panel: - on the panel 21VU, release the EMER GEN TEST pushbutton switch (23XE).
- on the panel 35VU, push the ELEC/EXT PWR pushbutton switch (10XG).
On panel 401VU:
-make sure that the display of the ISIS indicator (22FN) is off.
-after approximatly 12 seconds, makesure that the display of the ISISindicator (22FN) is on. The INIT 90s(initialization display) indicationcomes into view.
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
4.
Close circuit breaker 5FN. - after approximatly 12 seconds, make sure that the display of the ISIS indicator (22FN) is on. The INIT 90s (initialization display) indication comes into view.
5.
Close-up
________
Subtask 34-22-25-860-065
A. Put the aircraft back to its initial configuration.
Subtask 34-22-25-862-051
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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BITE Test of the ISIS Indicator with the pushbutton switches on the Face of the Indicator.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
B. 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 34-10-00-860-002 ADIRS Start Procedure 34-10-00-860-005 ADIRS Stop Procedure
3. Job Set-up
__________ Subtask 34-22-25-860-052
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the ADIRS Start procedure (Ref. TASK 34-10-00-860-002)
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B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU STBY/INST 5FN F12
Subtask 34-22-25-865-051
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
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