Patent ID: 8561629

Claim:
A method of draining a tank having a plate presenting an inside face facing the inside (INT) of the tank and an outside face opposite from the inside face, the plate including a canister having an outer casing provided with a base that is pressed in leaktight manner against the plate and that defines an opening in the plate, the base presenting at least one through orifice suitable for being closed by a movable member of the canister, the plate carrying a pump that co-operates with the canister by actuating the movable member to open the through orifice, the method comprising the steps of: removing the pump from the canister; and then inserting a fluid connector to take the place of the pump, the fluid connector co-operating with the canister by actuating the movable member to open the through orifice in order to proceed with draining the tank via the fluid connector.