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Hardlife tree shear
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<blockquote data-quote="Lakesdigger" data-source="post: 7860410" data-attributes="member: 150248"><p>First things first you need to know what pressure you're digger is producing on the aux line. 4000psi is 275bar i think. 275 bar is about the max any 8 ton digger will produce from the hyd pump but most aux lines have their own relief valve factory set much lower, typically not much over 200bar. You probably need local hydraulics place out with gauges to check and adjust. Do not interfere with pump but you can up the aux line pressure.</p><p>What digger is it on?</p></blockquote><p></p>
[QUOTE="Lakesdigger, post: 7860410, member: 150248"] First things first you need to know what pressure you're digger is producing on the aux line. 4000psi is 275bar i think. 275 bar is about the max any 8 ton digger will produce from the hyd pump but most aux lines have their own relief valve factory set much lower, typically not much over 200bar. You probably need local hydraulics place out with gauges to check and adjust. Do not interfere with pump but you can up the aux line pressure. What digger is it on? [/QUOTE]
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Hardlife tree shear
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