Donaldson Company, Inc.
Systems and methods for servicing a fluid filtration system

Abstract:

Fluid filtration systems and methods for servicing thereof are disclosed. The fluid filtration system includes a filter cartridge, a fluid transfer pump, and a valve assembly that can be selectively operated and positioned to achieve a normal filtration mode of operation, a fuel drain mode of operation, and a water drain mode of operation. In the normal mode, the filter cartridge is in an installed position, the pump is rotated in a first direction, and the valve is placed in a first position. In the fuel drain mode, the filter cartridge is in a service position, the pump is rotated in a second direction, and the valve is placed in a second position. In the water drain mode, the filter cartridge is in an installed position, the pump is rotated in the second direction, and the valve is placed in the first position.