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D17 hyd puzzle

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Ron muhlenkamp

01-19-2013 12:43:52

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Last year bot a d17 series I. Hyd worked, but wouldn"t lift a snap couple plow Added a two way valve with a shutoff and it worked fine with a wheel disc Put gauge on line, it built slowly to 1600#. Replaced pump with a used one the owner swore worked 100% had used it with 3 pt bushog. After replacement, the pressure hit 2500# 1 time but woudnt repeat Cycled a few time. now with the shut off valve open, the arms will lift 200# ( me) chattering all the while, and will drop. With the shut off closed, will lift me and chattering and will stick at top. If I open valve to drop an inch or so then close it will continue to drop Reads almost nothing on gauge Thoughts?..

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01-20-2013 05:48:52

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 Re: D17 hyd puzzle in reply to Ron muhlenkamp, 01-19-2013 12:43:52  
Pump on that tractor should be High pressure system, 3500 PSI, 4GPM. Likely a pump problem, or cams that run the pump are worn away.

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01-19-2013 18:07:19

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 Re: D17 hyd puzzle in reply to Ron muhlenkamp, 01-19-2013 12:43:52  
Since all oil goes through the lift arm cylinder, you might check for bad cylinder or the hose going to the cylinder might be bad.

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01-19-2013 14:55:40

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 Re: D17 hyd puzzle in reply to Ron muhlenkamp, 01-19-2013 12:43:52  
Fluid low or wrong will cause a chatter.

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