On the ECAM display unit (DU):
-
the green right-wing transfer-valve indicator moves from the closed position to the open position
-
the green left-wing transfer-valve indicator moves from the closed position to the intermediate (amber) position
-
the right-wing outer-cell fuel content decreases and the right-wing inner-cell fuel content increases.
On the ECAM DU:
-
the green right-wing transfer-valveindicator moves from the open to the closed position
-
the amber left-wing transfer-valve indicator moves from the intermediate to the closed (green) position
-
the fuel movement to the right-wing inner-cell stops.
B. Operational Check of Individual Transfer Valves to Ensure Drive Shaft Rotates Valve to Open Position
NOTE : During the test the ECAM will show unwanted indications, which you
____
can ignore.
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
1.
Open, safety and tag the circuit breaker 3QP.
2.
Remove the safety-clip and tag and close the circuit breaker 3QP.
3.
Open, safety and tag the circuit breaker 4QP.
4.
Remove the safety-clip and tag and close the circuit breaker 4QP.
5.
Open, safety and tag the circuit
On the ECAM display unit (DU):
-
the right-wing transfer-valve open symbol (green triangle) comes into view
-
the left-wing transfer-valve intermediate position symbol (amber triangle) comes into view
-
the right-wing outer-cell fuel content decreases and the right-wing inner-cell fuel content increases.
On the ECAM DU:
-
the right-wing transfer-valve opensymbol goes out of view
-
the left-wing transfer-valve intermediate position symbol goes out of view
-
the fuel movement to the right-wing inner-cell stops.
On the ECAM display unit (DU):
-
the left-wing transfer-valve open symbol (green triangle) comes into view
-
the right-wing transfer-valve intermediate position symbol (amber triangle) comes into view
-
the left-wing outer-cell fuel content decreases and the left-wing inner-cell fuel content increases.
On the ECAM DU:
-
the left-wing transfer-valve opensymbol goes out of view
-
the right-wing transfer-valve intermediate position symbol goes out of view
-
the fuel movement to the left-wing inner-cell stops.
On the ECAM display unit (DU):
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
breaker 2QP.
6.
Remove the safety-clip and tag and close the circuit breaker 2QP.
7.
Open, safety and tag the circuit breaker 1QP.
8.
Remove the safety-clip and tag and close the circuit breaker 1QP.
-
the left-wing transfer-valve open symbol (green triangle) comes into view
-
the right-wing transfer-valve intermediate position symbol (amber triangle) comes into view
-
the left-wing outer-cell fuel content decreases and the left-wing inner-cell fuel content increases.
On the ECAM DU:
-
the left-wing transfer-valve opensymbol goes out of view
-
the right-wing transfer-valve intermediate position symbol goes out of view
-
the fuel movement to the left-wing inner-cell stops.
On the ECAM display unit (DU):
-
the right-wing transfer-valve open symbol (green triangle) comes into view
-
the left-wing transfer-valve intermediate position symbol (amber triangle) comes into view
-
the right-wing outer-cell fuel content decreases and the right-wing inner-cell fuel content increases.
On the ECAM DU:
-
the right-wing transfer-valve opensymbol goes out of view
-
the left-wing transfer-valve intermediate position symbol goes out of view
-
the fuel movement to the right-wing inner-cell stops.
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5. Close-up
________
Subtask 28-15-00-860-052
A. Aircraft Configuration
(1)
Refuel, defuel or transfer fuel as necessary (Ref. TASK 12-11-28-650-003), (Ref. TASK 28-25-00-650-001) or (Ref. TASK 12-11-28-650-003).
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