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  1. H

    Poor boom/bucket function on Kubota SVL95-2S

    Further testing showed the boom joystick pressure dropping while driving. Hmm... Looking over the full schematic I noticed a 100 micron screen at the inlet of a small valve block that holds the drive joystick enable and aux. solenoids screen, and began to wonder if that could be the restriction...
  2. H

    Poor boom/bucket function on Kubota SVL95-2S

    Back to this project again. Got hold of a hydraulic schematic, and learned where the feedback from the valvebank enters the work pump controller. Put a gauge there and one on the work pump output. There was a definite correlation beteween the two, leading me to think the pump is responding...
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    Poor boom/bucket function on Kubota SVL95-2S

    Where is this valve that diverts most of the charge flow to the drive motors when driving? Is it built into the control for the variable work pump, or built into the loader function control valve? We removed and disassembled the variable work pump control valve, but can't find dirt or other...
  4. H

    Poor boom/bucket function on Kubota SVL95-2S

    No, travel and boom functions are responsive when used individually. No unusual noises. Engine load is not excessive, maybe rather not enough. Yes, the work(boom & bucket) pump is a variable displacement pump, separate from the drive pumps. After putting pressure gauges on the charge pressure...
  5. H

    Poor boom/bucket function on Kubota SVL95-2S

    Thanks for the confirm.... Any other input perchance?
  6. H

    Poor boom/bucket function on Kubota SVL95-2S

    Curious what's the issue here, @Vetech63 ? Does original post sound too newbie-like? Sorry if so! Or do you see something wrong with post #2? I'm not as familiar with hydraulic systems on equipment as I'd like; most of my experience has been with cylinders/machining.
  7. H

    Poor boom/bucket function on Kubota SVL95-2S

    We have a Kubota track loader here that has sluggish boom/bucket functions while driving. It seems to drive normally, or runs boom/bucket funtions just fine when sitting still. But try to raise the boom or tilt the bucket while driving, and response is very slow. If you then stop, function will...
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