Quote: jerryhoyt (quoted from post at 10:13:50 09/15/23) [quote="jerryhoyt"](quoted from post at 08:23:23 09/15/23) [quote="CVPost-caterpillar guy"](quoted from post at 04:25:30 09/15/23) Just a thought does any of it need to be prefilled with oil or primed to work? And if so then have you checks the oil level as it is pulled in things so you are not low on oil. Just thoughts here since the converter could hols a fair amount of oil. OR depending on how long all this took could the pump be dry needing an infusion of oil to work?
All oils are filled to the full level.
This thing acts like there is something wrong in the control valve spool. The pressures are the same in forward and reverse. at idle 100 psi and 145 psi full throttle. I think i am missing something with my diagnosis. i have now had it apart twice and have not found anything wrong.[/quote] The only thing that controls the forward and reverse is the control valve. does anyone out there know about the control valve spool on a 580 shuttle?[/quote]
It has been along time ago for me but I'll chime in. Could it be related to the clutch disconnect system. Should have an electric solenoid mounted to the shift spool and controlled by button on loader lever and maybe one on shift lever. Maybe has the transmission in disconnect mode. Just a thought. Good luck
One more thought. Is the gear transmission in neutral? I know, it sounds like a dumb question but things get over looked sometimes.
This post was edited by Dennis K (WA) on 09/18/2023 at 03:06 pm.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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