- Steps to XFR Fuel From Wings to Center:
1.On the wing, power up the Defuel/Refuel panel and perform a high level sensing test.
2.On the wing Defuel/Refuel panel (800VU) put the mode select switch in the "Defuel XFR" position.
3.On the wing Defuel/Refuel panel (800VU) put the center tank refuel valve to the "OPEN" position.
4.In the cockpit, push in the XFEED P/BSW, "ON" and "OPEN" light illuminate.
5.In the cockpit, push in the "L TK PUMPS 1 & 2(R TK PUMP1 & 2) P/BSW". The "OFF" light extinguishes.
6.In the cockpit, on the ECAM fuel page, monitor the fuel quantity indications. Fuel Transfer is in progress.
7.When fuel quantities are correct, shut "OFF" the "L TK PUMPS 1 & 2(R TK PUMP1 & 2) P/BSW". The "OFF" light illuminates. Close XFEED P/BSW, "ON" & "OPEN" light extinguishes.
8.On the wing Defuel/Refuel (800VU) return the center tank refuel valve to "Normal" position. Put the mode select switch in the "OFF" position.
Cockpit Control Panel
Wing Defuel/Refuel Panel
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A321 Fuel XFR