On the MCDU1:
-
the ATSU DATALINK page comes intoview.
On the MCDU1:
-
the COMM MENU page comes into view.
On the MCDU1:
-
the COMM STATUS page comes into view
-after some minutes, the log-on
display comes into view: the OP/COMM/DATA or DLK AVAIL indication is shown adjacent to the HF indication.
On the MCDU1:
-
the COMM MENU page comes into view.
On the MCDU1:
-
the MAINTENANCE page comes into view.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
(Ref. Fig. 504A/TASK 46-21-00-991-006-A)
8. On the MAINTENANCE page:
-push the line key adjacent to the TEST indication.
9. On the TEST page:
-push the line key adjacent to the REQUEST/HF LINK indication.
10. On the MCDU1:
-push the line key adjacent to the RETURN indication until the ATSU DATALINK page comes into view.
11. On the MCDU1:
-push the MCDU MENU key.
5. Close-up________
Subtask 46-21-00-860-091On the MCDU1:
-
the TEST page comes into view.
On the TEST page:
-
the REQUEST indication goes out ofview
-
the IN PROGRESS indication comes into view
-at the end of the test, the OK indication comes into view.
On the MCDU1:
-the MCDU MENU page comes into view.
A. Put the aircraft back to its initial configuration.
(1)
On the MCDU1, fully decrease the brightness of the MCDU screen (display off).
(2)
On the overhead panel 56VU, release the GND HF DATA LINK pushbutton switch and make sure that the OVRD legend goes off.
(3) Do the EIS stop procedure (Ref. TASK 31-60-00-860-002). Subtask 46-21-00-862-067
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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AIR TRAFFIC SERVICE UNIT (ATSU) (1TX1) - REMOVAL/INSTALLATION
_____________________________________________________________
TASK 46-21-34-000-001
Removal of the Air Traffic Service Unit (ATSU) (1TX1)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific access platform 1.6 m (5 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-32-00-860-013 Procedure to Get Access to the SYSTEM
REPORT/TEST/INFO SYS Page 46-21-34-991-001 Fig. 401
3. Job Set-up
__________
Subtask 46-21-34-810-050
A. Trouble Shooting Data If available, you can print the Trouble Shooting Data (TSD) as follows:
-get access to the SYSTEM/REPORT/INFO SYS page (Ref. TASK 31-32-00-860-
013). - on this page, push the line key adjacent to the ATIMS indication. - on the ATIMS page, push the line key adjacent to the TROUBLE SHOOTING
DATA indication to get the TROUBLE SHOOTING DATA page.
-print the TROUBLE SHOOTING DATA (TSD) page(s).
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Subtask 46-21-34-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
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