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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Bobcat 773G Hydraulic Issue
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<blockquote data-quote="brdgbldr" data-source="post: 126131" data-attributes="member: 7474"><p>First it looks like your auxiliaries are stuck on.</p><p></p><p>It would really help if you could get an attachment or gauges hooked up to the hydraulics.</p><p></p><p>At this point it's hard to tell. It could be a bad solenoid that is not disengaging the auxiliaries or the valve / spool that the solenoid is on is sticking. I don't think it would be your switches since the auxiliary seems to be stuck on after the machine is turned off.</p><p></p><p>It seems like when the auxiliary is running "forward" (switch to the right) everything bogs down and it gets stuck there. Then when you "reverse" flow (switch to the left), it pulls the valve back just enough to disengage the auxiliary but not far enough to actually engage the "reverse" flow. If it was actually engaging the "reverse" flow, it should bog down the engine. </p><p></p><p></p><p></p><p>It would really help to be able to tell if the "reverse" is actually engaging or not. Either with an attachment or a gage hooked up to the male port. You could also tell if the "forward" was disengaging with a gage hooked to the female port. </p><p></p><p>I would check the auxiliary "Pressure Release Valve" since the pressure does not seem to be releasing. This could be a bad solenoid or a stuck valve. Also, find the auxiliary solenoid and check it and check the valve / spool for movement. Best scenario you have a bad solenoid.</p><p></p><p>I would suggest looking at the parts manual for your particular machine. Enter your serial number and the search "auxiliary":</p><p>[URL unfurl="true"]https://www.bobcatpartsonline.com/#/catalogBrowser[/URL]</p><p></p><p>This should help you find the auxiliary solenoid and the pressure release valve.</p><p></p><p>This is one of those problems that could be any number of things. Not only mechanical but electrical. I hope this helps and I hope that maybe someone else on here could chime in with another perspective.</p></blockquote><p></p>
[QUOTE="brdgbldr, post: 126131, member: 7474"] First it looks like your auxiliaries are stuck on. It would really help if you could get an attachment or gauges hooked up to the hydraulics. At this point it’s hard to tell. It could be a bad solenoid that is not disengaging the auxiliaries or the valve / spool that the solenoid is on is sticking. I don‘t think it would be your switches since the auxiliary seems to be stuck on after the machine is turned off. It seems like when the auxiliary is running “forward” (switch to the right) everything bogs down and it gets stuck there. Then when you “reverse” flow (switch to the left), it pulls the valve back just enough to disengage the auxiliary but not far enough to actually engage the ”reverse” flow. If it was actually engaging the “reverse“ flow, it should bog down the engine. It would really help to be able to tell if the “reverse” is actually engaging or not. Either with an attachment or a gage hooked up to the male port. You could also tell if the “forward“ was disengaging with a gage hooked to the female port. I would check the auxiliary "Pressure Release Valve" since the pressure does not seem to be releasing. This could be a bad solenoid or a stuck valve. Also, find the auxiliary solenoid and check it and check the valve / spool for movement. Best scenario you have a bad solenoid. I would suggest looking at the parts manual for your particular machine. Enter your serial number and the search “auxiliary”: [URL unfurl="true"]https://www.bobcatpartsonline.com/#/catalogBrowser[/URL] This should help you find the auxiliary solenoid and the pressure release valve. This is one of those problems that could be any number of things. Not only mechanical but electrical. I hope this helps and I hope that maybe someone else on here could chime in with another perspective. [/QUOTE]
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