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Allis Chalmers Discussion Forum

WD 45 Hydralics

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08-21-2003 17:06:21

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I cannot get the hydralics to move. After the tractor sits over night, the hydralic arms drop down about three inches and I can move them manually up or down that three inches. When I start the tractor the arms move to their upper most point. It doesn't matter whether I have the lift control on the steering column in the up or down position. When I shut the engine off, I get some fluid dripping from the right lift cylinder for a few minutes. I have looked through the archives and haven't found any info. If you guys can't help, I guess I will have to break down and order some manuals which I am going to do. I just bought the tractor and am impatient to get everything working. Thanks in advance.

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08-25-2003 06:43:31

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 Re: WD 45 Hydralics in reply to Chuck, 08-21-2003 17:06:21  
Thanks to you all for giving me some great starting points. As I started down this road of questions the first thing I learned is that I have failed to include a "u" in hydraulics. Scott, I used your idea of looking at a tractor that works. I hauled mine to one that was recently restored. I watched it work. I set mine exactly the same way and nothing happened. I guess I am going to have to learn how to remove, take apart and fix a pump as you said Terry. This from a guy who is mechanically- challenged and hates to get greasy but hates to spend money. Why aren't these ACs simple like my Ford? Thanks to all.

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08-24-2003 08:40:54

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 Re: WD 45 Hydralics in reply to Chuck, 08-21-2003 17:06:21  
When this happened to me, it was the linkage on the inside of the pump. A pin had worn completely through, so that the lever on the steering column was moving, but it was not moving anything on the inside of the pump. I was able to raise or lower by turning the screw at the front of the pump(screw D according to the manual). Just another possibility.

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Scott Ashburn, MO

08-23-2003 08:15:27

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 Re: WD 45 Hydralics in reply to Chuck, 08-21-2003 17:06:21  
if you go to the a/c links listed on the Alis Chalmers section page, it comes up with a page of links, click on next ten, there will be one called haywire mechanic, he has a section in there on tech tips, and a picture of the implement settings which was on the side of your battery box. you can print out the picture for referance. if you can't find it, e-mail me, and I'll e-mail you the picture. good luck

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08-23-2003 14:13:12

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 Re: Re: WD 45 Hydralics in reply to Scott Ashburn, MO, 08-23-2003 08:15:27  
Scott, you have a great deal more patience than I. I am trying to learn to be the mechanic but I always want to take the easy way and ask someone. Now I have just learned an additional way to find info for myself. I have ordered a manual but it is good to know about these links. One of these days you will see a picture of my WD 45 on this web site. Thanks.

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Scott A, MO

08-24-2003 06:27:34

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 Re: Re: Re: WD 45 Hydralics in reply to chuck , 08-23-2003 14:13:12  
Your more than welcome. I may be a wrench by trade. But by no means an expert. I just bought a what I thought was a WD-45, but didn't know how to verify it, being new to orange, I ended up with by what the ser# says, a 1949 WD. OH well, I guess theres not much differance except engine power, and it's a nice tractor, and I happy with it, and in the middle of repairs that it needs. So am learning here too. good luck.

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08-22-2003 19:09:19

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 Re: WD 45 Hydralics in reply to Chuck, 08-21-2003 17:06:21  
Thanks, JS.

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JS in IL

08-22-2003 16:17:41

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 Re: WD 45 Hydralics in reply to Chuck, 08-21-2003 17:06:21  
Mine did the same thing when I first Found it in a field becoming rust. Once I got it running the lift arms would raise all the way up and stay there no matter where the hyd control was. The problem was an adjustment on the draft control. Seems they had about 143 ways to set up the hyd. pump on these things and one them allows this to happen for some reason. Grab a manual, or check out the sticker that goes on the battery box which explains these settings, or what I did was wander over to a properly setup wd45 and snap a polaroid, draw a picture, whatever it takes to duplicate these settings. Mine worked fine after that. Hope this helps

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