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Tim in MN 
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Joined: 17 Jan 2010
Location: Floodwood, MN
Points: 20
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 Topic: WD remote cylinder
Posted: 09 Oct 2011 at 10:19pm |
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I just picked up an 8 foot disc for the WD, I know the cylinders back then were single acting, is there any such thing anymore? How would I hook up a double acting cylinder to lift the disc, or anything else? Would a 3,000psi cylinder and hose be ok, and what size cylinder would I need? TIA, Tim
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Roddo
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Joined: 16 Jul 2010
Location: Brant, Ontario
Points: 466
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Posted: 09 Oct 2011 at 10:23pm |
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Put the hose on the push side of the cylinder and vent the opposite side. 3000# should be fine for that. I would imagine 3" cylinder would be tons. If its too big the ol' WD will take forever to lift it.
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orangereborn
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Joined: 12 Sep 2009
Location: NW WI
Points: 1491
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Posted: 10 Oct 2011 at 1:16am |
If you are using the WD hyd system, that is high pressure and low pressure two way
cylinders were not designed for that. Damage/explosion may happen. You could modify the tractor to get low pressure and use low pressure cylinders but the lift speed is reduced as mentioned above....Dale
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BobHnwO
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Joined: 16 Sep 2009
Location: Jenera Ohio
Points: 693
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Posted: 10 Oct 2011 at 12:40pm |
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DON'T use low pressure cyl.on hi pressure tractor,I blew the ends off 2 7/16 cyl.bolts,DON'T DO IT!!!
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Why do today what you can put off til tomorrow.
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SteveC(NS)
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Joined: 12 Oct 2009
Location: Nova Scotia
Points: 663
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Posted: 10 Oct 2011 at 2:28pm |
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Hey, if the cylinder will take 3,000 psi it'll take 3,000 psi. I don't recall the WD developing more than that. I don't think you'll need a 3" one though. that's over 10 tons push at 3000 psi and would be fairly slow.
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BobHnwO
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Joined: 16 Sep 2009
Location: Jenera Ohio
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Posted: 10 Oct 2011 at 2:34pm |
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My WD45 would put out 4700# when cold!!!
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Why do today what you can put off til tomorrow.
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SteveC(NS)
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Joined: 12 Oct 2009
Location: Nova Scotia
Points: 663
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Posted: 11 Oct 2011 at 8:29am |
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Whoa! 4700 psi you say? Well hush my mouth. That's a lot of pressure to be trusting to a relief valve even if you could put one on. Maybe best to go with an original high pressure ram.
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Ray
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Joined: 21 Sep 2009
Points: 1979
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Posted: 11 Oct 2011 at 10:02am |
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I have a good used original high pressure cylinder. This is a Allis cylinder with a bigger stem. 8in stroke.Made for the WD. $90.00 785-353-2392
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22825
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Posted: 11 Oct 2011 at 10:58am |
 SteveC(NS) wrote:
Whoa! 4700 psi you say? Well hush my mouth. That's a lot of pressure to be trusting to a relief valve even if you could put one on. Maybe best to go with an original high pressure ram. |
My 45 after, the pump was rebuilt wouldn't unload for me, killed the engine at an idle. I put a 5k pressure gauge on it and blew it out. With a 10K gauge it show over 9400 psi and finally unloded. I took it back apart and found a 1/4 inch deep counter bore missing in the new AGCO sold relief spool. I put it in the lathe and drilled the c'bore and ended up with 2800 psi. I thought at the time it was too much work to take it back apart to shim it .005-.007 of an inch so it has stayed that way. I don't bend my loader frame like I could before, but it hasn't bothered with lifting the plow or the wheel disc. Any well made cylinder will have a rating on it. Those ratings are considerably under the maximum pressure the cylinder will take before coming apart. I have an old Oliver cylinder here I used on the planter for a couple years. It's a 2 way and I vented the front side of the piston. The only problem I had was I had to stop at the end rows to wait for the planter to come up. If you use a lower rated cylinder, don't let the pump hammer at the end of the stroke. Go to the hold position once the implement is up far enough.
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