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Allis Chalmers Discussion Forum

WD hydraulics

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Author  [Modern View]

04-10-2010 11:54:42

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Just bought an Allis-Chalmers WD last week and the guy told me that the hydraulics stopped working last year. so after filling the reservoir with engine oil it started working again... lol except that the rams stay fully extended all the time. I am wondering what might be wrong? I aready have the service manual but no pictures of the decal that is supposed to be on the battery box to know how to adjust it or any way to say what correspond with the right letter in the manual. THANKS ALOT

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Aaron SEIA

04-10-2010 19:14:43

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 Re: WD hydraulics in reply to Guyzoo, 04-10-2010 11:54:42  
In case you can't wait for the manual you should buy off of eBay (original)or from this web site (reprint).



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04-11-2010 15:47:29

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 Re: WD hydraulics in reply to Aaron SEIA, 04-10-2010 19:14:43  
Thanks alot, that's just the page I was looking for. I appreciate your help Have a good day!

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04-10-2010 16:06:36

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 Re: WD hydraulics in reply to Guyzoo, 04-10-2010 11:54:42  
Tractor service manuals do not contain lube info. That is in the most basic manual that every owner should have- the operator manual. It is normal that rams stay extended- since they are power up, gravity down. Op manual has the decal for the battery box with details on the ABCD screws to set the hyd .

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04-11-2010 15:51:07

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 Re: WD hydraulics in reply to JMS/.MN, 04-10-2010 16:06:36  
Thanks for your reply, I know they are only one way cylinders (rams) but if they are down( tractor stopped) and I start the tractor they goes up and stay there whatever the position of the lever on the quadrant. even if I stop the tractor they stay there (up) and no way to remove pressure to lower them other than cracking a line. Thanks alot.

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