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General Skidsteer & Technical Topics
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Questions on 3pt with pto
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<blockquote data-quote="skidsteer.ca" data-source="post: 42898" data-attributes="member: 307"><p>All you need is to T the pressure and returns together, with a check valve in the cross over line that won't allow pressure from the loader to escape into the return line.</p><p>But when the loaders flow is suddenly cut off and the motor on the 3pt becomes the pump driven by inertia, then the oil coming from the return line on the motor can cross back into the pressure line and circulate through the motor allowing it to wind down slowly instead of being forced to a stop.</p><p>If you want to use this for some applications where the motor must be reversed, (ie post hole auger) then you will also need to install a valve that can be closed to prevent flow in either direction in the cross over line and close it for those jobs. A post hole digger turns to slow for inertia to be a problem anyway. But on something like a bush hog you will need this cross over or else you have to install a "motor spool valve" to operate it</p><p>Ken</p></blockquote><p></p>
[QUOTE="skidsteer.ca, post: 42898, member: 307"] All you need is to T the pressure and returns together, with a check valve in the cross over line that won't allow pressure from the loader to escape into the return line. But when the loaders flow is suddenly cut off and the motor on the 3pt becomes the pump driven by inertia, then the oil coming from the return line on the motor can cross back into the pressure line and circulate through the motor allowing it to wind down slowly instead of being forced to a stop. If you want to use this for some applications where the motor must be reversed, (ie post hole auger) then you will also need to install a valve that can be closed to prevent flow in either direction in the cross over line and close it for those jobs. A post hole digger turns to slow for inertia to be a problem anyway. But on something like a bush hog you will need this cross over or else you have to install a “motor spool valve” to operate it Ken [/QUOTE]
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Questions on 3pt with pto
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