Oil System Schematic Design

I need a clear, moderately detailed schematic that explains how the pressure-relief valves function within an oil circulation system. The drawing should highlight every key component—notably the pumps,... (Budget: $10 - $30 AUD, Jobs: AutoCAD, CAD / SolidWorks, CAD/CAM, Drafting, Electrical Engineering, Electronics, Engineering Drawing, PCB Layout, Schematic Review, Technical Drawing / Tech Pack)