4. Procedure
_________ Subtask 28-21-00-710-068
A. Operational Test of the Center Tank Pump Control by Low Level Sensors NOTE : During this test the ECAM may show unwanted indications, which you
____
can ignore.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the Refuel/Defuel Panel 800VU:
-
set the MODE SELECT switch to DEFUEL/XFR
-
set the left and right REFUEL VALVES to OPEN
2. On the Fuel Quantity Indicator 6QT:
-make sure that the applicable wing tank has sufficient space for the total quantity of fuel in the center tank
3. On the MCDU:
-
push the line key adjacent to the < SYSTEM REPORT/TEST
-
push the line key adjacent to the < FUEL
-
push the NEXT PAGE key
-
push the line key adjacent to the < INPUT PARAMETER VALUES
-
push the NEXT PAGE key until the FQIS DISCRETE INPUTS page shows
4. On the Fuel Control Panel 40VU:
-
the MODE SELECT OPEN light comes on
-
the SYSTEM REPORT/TEST page shows
-
the FUEL page shows
-
the next FUEL page shows
-
the FQIS INPUT PARAMETERS page shows
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-push (in) the CTR TK PUMPS 1 and 2 P/BSWs
5. On the Fuel Control Panel 40VU:
-
push (in) the MODE SEL P/BSW
-
push (in) the X FEED P/BSW
6. Monitor the Fuel Indicator 6QT and the MCDU matrix display continually until:
A. The center tank left low level sensor at P7 changes from 0 to 1
B. The center tank right low level sensor at J4 changes from 0 to 1
-The Fuel Quantity Indicator 6QT shows CTR at 130kg or less
NOTE : When you monitor the
____ MCDU matrix display , it is necessary to press the NEXT PAGE key to show the changes.
7. On the Refuel/Defuel Panel 800VU:
-set the REFUEL VALVE switches to NORM
-
the CTR TK PUMPS 1 and 2 OFF lightsgo off
On the ECAM lower DU:
-
the CTR display goes to green in-line
-
the MODE SEL MAN light goes off
-
the ON light (white) comes on and then goes off
-
the OPEN light (green) comes on (valve fully open)
-fuel moves from the center tank to the wing tanks
On the ECAM lower DU:
-
after five minutes the applicable CTRdisplay goes to green cross-line
On the ECAM lower DU:
-
after five minutes the applicable CTRdisplay goes to green cross-line
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-set the MODE SELECT switch to
OFF
8. On the Fuel Control Panel 40VU:
-
release (out) the X FEED P/BSW
-
release (out) the MODE SEL
P/BSW
5. Close-up
________ Subtask 28-21-00-860-070
A. Aircraft Configuration
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Refuel, defuel or transfer fuel as necessary (Ref. TASK 12-11-28-650-003), (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
(3)
Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
(4)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
Subtask 28-21-00-942-080
B. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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Operational Test of the Center Tank Pump Control
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
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