TASK 31-55-34-400-001
Installation of the SDAC (1WV1,1WV2)
1.
Reason for the Job
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Self Explanatory
2.
Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1.6 m (5 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-50-00-710-001 Ground Scanning of the Central Warning System
31-50-00-710-003 Operational Test of the System Data Acquisition
Concentrator (SDAC)
R 52-41-00-410-002 Close the Avionics Compartment Doors after Access 31-55-34-991-001 Fig. 401
3. Job Set-up
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Subtask 31-55-34-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that the access platform is in position at the access door 824 in zone 128.
R (2) Make sure that the access door 824 is open (Ref. TASK 52-41-00-410-R 002).
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B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1WV1
49VU SDAC/1 AND 2/28VDC/ESS BUS 12WV F05 49VU SDAC/1/SPLY 3WV F04 49VU SDAC/1/26VAC SYNC/AC ESS BUS 5WV F02 121VU EIS/SDAC/1/BUS1/26VAC SYNC AC 9WV Q04 121VU EIS/SDAC/1/BUS2/26VAC SYNC AC 7WV Q03
FOR 1WV2 49VU SDAC/1 AND 2/28VDC/ESS BUS 12WV F05 49VU SDAC/2/26VAC SYNC/AC ESS BUS 6WV F03
121VU EIS/SDAC/2/SPLY 2WV Q06 121VU EIS/SDAC/2/BUS1/26VAC SYNC AC 10WV Q05 121VU EIS/SDAC/2/BUS2/26VAC SYNC AC 8WV Q02
4. Procedure
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(Ref. Fig. 401/TASK 31-55-34-991-001)
Subtask 31-55-34-420-050
A. Installation of the SDAC
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Remove blanking caps from the electrical connectors (1).
(4)
Make sure that the electrical connectors (1) are in the correct condition.
(5)
Install the SDAC (5) on its rack (2).
(6)
Push the SDAC (5) on its rack (2) to connect the electrical connectors (1).
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(7) Engage the nuts (3) on the lugs (4) and tighten. CAUTION : MAKE SURE THAT THE OBRM(S) IS (ARE) CORRECTLY INSTALLED. IF
_______ IT (THEY) IS(ARE) NOT INSTALLED CORRECTLY, PUSH THE OBRM(S) UNTIL THE LOCKING DEVICES ARE LOCKED.
Subtask 31-55-34-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 1WV1 3WV, 5WV, 7WV, 9WV, 12WV FOR 1WV2 2WV, 6WV, 8WV, 10WV, 12WV
Subtask 31-55-34-710-051
C. Do the ground scanning of the Central Warning System (Ref. TASK 31-50-00-710-001)
NOTE : As an alternative procedure, you can do this operational test
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without the CFDS (Ref. TASK 31-50-00-710-003).
