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Ford Tractors Discussion Board

Re: 641D hyd unloader valve


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Posted by Kurt-NEPA on May 29, 2013 at 02:31:56 from (70.44.176.213):

In Reply to: 641D hyd unloader valve posted by shimmy57 on May 28, 2013 at 09:54:08:

Or get creative - use what you have for the plate

[URL=http://s556.photobucket.com/user/kdmoser/media/Ford%20660/SideView.jpg.html]third party image[/URL]

[URL=http://s556.photobucket.com/user/kdmoser/media/Ford%20660/TopView.jpg.html]third party image[/URL]

Beware, that is a fine thread bolt that JMOR posted. I think it was 3/8 or 1/2" but that is from my memory (I have a bad case of CRS), check it. Keep adding washers until the plug comes out.

You can push the unloader valve out from the other end with a long small diameter screw driver or something similar. Don't force it. I should come out with just a little resistance. One out you can remove the o-ring from the unloader valve, clean the valve and bore and replace the o-ring. Try not to use abrasives or wire brushes. You don't need any new scratches in there.

To put the plug back in just tap it with a soft hammer.


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