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Re: m5 hyd problems

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Author  [Modern View]

03-09-2013 14:17:56

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Does the pto work? If it does turn, pry a 2x4 against it to see if you can stop it, be careful, I'm thinking that the splines are shot in the hub of the flywheel. If it doesn't turn this explains why the pump isn't pumping. chris

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Alan K

03-09-2013 15:49:33

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 Re: m5 hyd problems in reply to matthies, 03-09-2013 14:17:56  
Something you could also check is the coupler between the hydraulic pump and the drive shaft to it. It seems they updated them from the 5 Stars in the parts book. The 5 Stars had problems with the small coupler sleeve and the spines on the hyraulic pump wearing out. You would have to remove the hydraulic pump to check it.

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03-09-2013 17:07:36

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 Re: m5 hyd problems in reply to Alan K, 03-09-2013 15:49:33  
The coupler is ok I just had it out when I resealed the pump. I wasn't able to find new wear plates or I would of replaced them also. The pto seems to work fine it does however creep when the pto is off. I assumed that was normal? I am pretty sure thepump is turning. Thanks for your input.

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Alan K

03-09-2013 17:38:35

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 Re: m5 hyd problems in reply to pip203, 03-09-2013 17:07:36  
Does your M5 have an early Webster pump with one line coming out the right side? Or is it the later style with two larger lines and a small one coming out of it?

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03-09-2013 18:22:31

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 Re: m5 hyd problems in reply to Alan K, 03-09-2013 17:38:35  
It is a webster gear pump. It has 2 lines come out of it pressurized one goes to the power steering and the other feeds the remotes3 point. It take in fluid through the center of the back. I got all the seAls at an agco dealer.

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