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Farmall & IHC Tractors Discussion Forum
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M Hyd......again.

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John M

11-08-2004 13:37:33




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Seems I didnt explain good enough,or what I said wasnt understood properly.On my 40 M,I have a 3 pt hitch that I removed from my 41 M.The 41 used the belly pump and worked fine.My 40 M had the remote hydraulics which I removed completely from the 40 M.Now I have the same setup as I had on my 41 M.NOTHING on the three point changed.I have up pressure on the 40 but it will not let the pressure off of the cylinders to drop the three point.I have one line coming from the pump to the 3 point where it is Teed off to each cylinders.On the other port on the cylinders is the filter.The problem is not in the way I have it plumbed!(One line from the left side of the pump)I removed the control rod from the lever to the pump and it just falls foward,something is not right in the pump.I can crack open the line and oil squirts out and the three point goes down.What inside the pump could be keeping it from letting down?At this point Im just going to pull the pump from the 41 and put in there for now,but will eventually need the pump from the 40 for the 41.

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Randy SE-MN.

11-10-2004 05:51:46




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 Re: M Hyd......again. in reply to John M, 11-08-2004 13:37:33  
I don't know , and I may be crazy..but I had the same problem on my '47M til I converted it to live Hyd.(gutted the pump) My left rear port would not raise my plow, so I simply went over to the right side single hyd outlet and it worked just fine. Yeah, probably something in the pump, but nothing you can't work around. Just guessin' from experience...good luck----- ---Randy



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Andy Martin

11-08-2004 13:46:09




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 Re: M Hyd......again. in reply to John M, 11-08-2004 13:37:33  
Take the pump apart, I'm sure you will find something broken. Look at the pump side of the lever. You may have the driving ridges almost worn off. Like you say, the lever should not fall forward.



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rustyfarmall

11-08-2004 13:53:29




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 Re: M Hyd......again. in reply to Andy Martin, 11-08-2004 13:46:09  
I agree with Andy, make sure the drive dogs are good on both the lever and the pump, and make sure that the two are engaged.



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John M

11-08-2004 15:06:55




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 Re: M Hyd......again. in reply to rustyfarmall, 11-08-2004 13:53:29  
Rusty,Andy,the dogs on the lever and pump are fine.Anybody know if there is maybe a carter pin or key or something that may have come loose or broke?Pulling pump apart in the morning to see whats going on.



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