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Message: <blockquote data-quote="Tazza" data-source="post: 113464" data-attributes="member: 82">Sadly i can't see the images in my work computer, it's far too old to allow me to load them with photobucket for some reason, but whatever.I'm wondering if the issue with the motors blowing up is as you said, no relief. When you have a spinning cutter going round and round, then you instantly stop or try to reverse the direction of the blade, you will get a stupidly high pressure spike that can't go anywhere and locks the motor up and will shear the shaft or internals of the motor off.People have installed a relief valve between the in and out hydraulic lines, case drain lines go back to the tank to allow for some oil cooling.Oil in ============= MotorRelief    ||Oil out ============ MotorSadly my drawing abilities in text form is limited. THe idea of this setuo will make it so if you have it spinning at full speed and shut the aux hydraulics off, the oil can still travel in a loop Through the motor, across the relief, then back to the motor in a loop till it stops on it's own. Not ideal, but it seems to save motors.</blockquote>