Recent content by Koobotaa

Regarding Kubota USA parts list: Every one I have seen shows the six spool assembly as a whole not broken down into its components. I'll try again to see if that source does have it broken down. Thanks.

Backhoe model is B4672 mounted on a Kubota B2410 tractor.

Does anyone know where I can get a detailed diagram of the hydraulic control valves for the B4672 backhoe? I've gone through three of the control valves, but there is one that is different from the others. I pulled it apart and cleaned it up, put in some new "o" rings and forgot how some of...

1. No. You would, of course, lube everything with clean hydraulic fluid as you reassemble it. 2. Working the cylinders in and out with the engine running will bleed the air. If the seals blew out on that other guy's cylinder, there was likely another problem. Trying to bleed them would be a...

There is a torque spec for the nut on the rod. I have a different loader, but it was pretty easy to find a repair manual on line. I have redone six cylinders on my Kudota loader and backhoe, so far. Do not try to remove the rod by blowing compressed air into the port. The rod can come out like a...

OK, thanks. I'll change the fluid and turn up the radio. I'll let you know if any of that helps.

Thanks for the reply. It happens in low, but is worse in High. It's noisier when the RPMs are low, as well.

My B2410 makes a groaning noise when trying to move something with it, or when driven uphill. Similar sound to when a wood splitter is stuck and you're applying more pressure to it. My best guess is that it is a relief valve, probably the Check and High Pressure Relief Valve. But I can't get to...