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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Building a 3-point adapter and PTO for Bobcats
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<blockquote data-quote="Dameon" data-source="post: 77853" data-attributes="member: 10703"><p>I finally got my package from Surplus Center on Friday. I examined everything and it appears as I expected. No suprises there. The adapter adds about 6" to the output shaft length, which was an area I was trying to cut length, not add, so I'll have to work that into my calculations.</p><p>Now comes the fun part: how to run my hydraulic lines. I have the <a href="http://www.princehyd.com/Products/Hydraulic-Valves/Flow-Control/Model-RD1900" target="_blank">Prince Model RDRS175-30</a>. There is a nice schematic <a href="https://www.surpluscenter.com/_MoreSpecs/as9-064-xx.pdf" target="_blank">here</a>.</p><p>This is the drawing I came up with, but I have some concerns:</p><p><img src="http://images.skidsteer.info/FlowDiagram1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>1) Do I need to worry about back flow coming out of the line in the EF port into the motor or back towards the PR port?</p><p>2) Will this provide the ability for the implement (bush hog) to spin down when I shut off hydraulic flow?</p><p>3) Should I run any lines into my "third" connection on the 773? If I understand correctly, that third connection is used for a return-only line into the tank. I could probably just run my PR port straight into that connection, but (as long as it doesn't hurt anything) I'd rather keep the connections to the standard two in case this fabbed implement I'm making mounts to a skidsteer with no third connection.</p></blockquote><p></p>
[QUOTE="Dameon, post: 77853, member: 10703"] I finally got my package from Surplus Center on Friday. I examined everything and it appears as I expected. No suprises there. The adapter adds about 6" to the output shaft length, which was an area I was trying to cut length, not add, so I'll have to work that into my calculations. Now comes the fun part: how to run my hydraulic lines. I have the [URL='http://www.princehyd.com/Products/Hydraulic-Valves/Flow-Control/Model-RD1900']Prince Model RDRS175-30[/URL]. There is a nice schematic [URL='https://www.surpluscenter.com/_MoreSpecs/as9-064-xx.pdf']here[/URL]. This is the drawing I came up with, but I have some concerns: [IMG]http://images.skidsteer.info/FlowDiagram1.jpg[/IMG] 1) Do I need to worry about back flow coming out of the line in the EF port into the motor or back towards the PR port? 2) Will this provide the ability for the implement (bush hog) to spin down when I shut off hydraulic flow? 3) Should I run any lines into my "third" connection on the 773? If I understand correctly, that third connection is used for a return-only line into the tank. I could probably just run my PR port straight into that connection, but (as long as it doesn't hurt anything) I'd rather keep the connections to the standard two in case this fabbed implement I'm making mounts to a skidsteer with no third connection. [/QUOTE]
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Building a 3-point adapter and PTO for Bobcats
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