Ölwechselgerät für eine Servolenkung von Kraftfahrzeugen

摘要

A power steering fluid refilling and draining device according to the present invention includes a frame mounting with a fresh fluid tank including an output pipe connected to a first three-way valve and a refilling port. The frame further houses a used fluid tank including a sucking pipe connected to a second three-way valve and a sucking port. A pneumatic pump is interconnected to the output pipe and the sucking pipe, respectively. Wherein when the pneumatic pump is operated, the fresh fluid will be delivered into a steering system with used fluid therein being sucked out by the sucking port simultaneously. Each of the fresh fluid tank and the used fluid tank is provided with a window.