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9N Hydraulic Sticking

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Porub

07-05-2007 12:32:48

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My hyraulics will stick in the up position for a period of time (1 minute or so). This will only happen once and a while, and will remedy itself till it happens again. What could be causing this?

Thanks
Mike in Wisconsin

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Bruce (VA)

07-05-2007 13:05:07

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Re: 9N Hydraulic Sticking in reply to Porub, 07-05-2007 12:32:48

This is a classic symptom of a dirty pump. The exhaust valve is sticking.

Have you ever cleaned out the pump sump & changed the fluid? Check out tips 3 & 4:

Link

After you get the old fluid drained out (overnight is best) remove both inspection plates & start pulling the sludge in the pump base out by hand. Then, get a couple of gallons of kerosene or diesel fuel & pour it into the pump base. Catch it in a bucket & reuse it. (Some folks use a hand garden sprayer.) Flush the pump base out 5 or 6 times. Do not start the engine to run the kerosene through the pump; kerosene and diesel fuel do not have any lubrication properties & you will damage your pump. If that does not work, plan B is to pull the pump & clean it while out of the tractor.

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soundguy

07-05-2007 13:02:23

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Re: 9N Hydraulic Sticking in reply to Porub, 07-05-2007 12:32:48

Dirty gritty oil clogging the control valve / exhaust portion of the valve..

soundguy

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