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| John Deere Tractors Discussion Forum |
Topic: JD 630 HYDRAULICS
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| Bob Buhs
02-17-2013 15:28:01
97.64.192.2
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Tractor only has pressure on the up side no down pressure does anyone know what problem could be thanks
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| buickanddeere
02-18-2013 11:06:01
209.240.116.36
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Re: JD 630 HYDRAULICS in reply to Bob Buhs, 02-17-2013 15:28:01
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| On which hydraulics?
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| 730d se
02-18-2013 09:20:30
68.189.186.53
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Re: JD 630 HYDRAULICS in reply to Bob Buhs, 02-17-2013 15:28:01
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| There is no down pressure. The piston sits verticle and the oil fills on the bottom of it. It has lift (up pressure) as oil is allowed to flow in. It is simply draining the oil when going down.
Make sure the big spring that is mentioned is on the left side.
If the arms will not go down, it could be the settings on the valves. Get JD SM 2022 for a full explaination on how to set it up.
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| Nathan Kapp
02-17-2013 16:37:04
174.59.239.73
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Re: JD 630 HYDRAULICS in reply to Bob Buhs, 02-17-2013 15:28:01
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| Correct me if I'm wrong, but I think that is the point of the 3-point return spring. On my 630, it was missing and had to be replaced.
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| Paul_IN
02-17-2013 16:31:25
98.223.100.182
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Re: JD 630 HYDRAULICS in reply to Bob Buhs, 02-17-2013 15:28:01
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| The remote cylinder control valve can be adjusted for single or double action. I do not remember off the top of my head which cap nut you need to take off and either seat or screw out the adjusting screw.
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| turk lilley
02-17-2013 16:02:46
184.5.177.160
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Re: JD 630 HYDRAULICS in reply to Bob Buhs, 02-17-2013 15:28:01
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| If you're talking about the 3 pt hitch, ag tractors do not have down pressure.
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