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Farmall & IHC Tractors Discussion Forum
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706 diesel hydrolic system question

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Illinois Adam

11-19-2006 12:24:57




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The guys I hunt with recentlly purchased a 706 diesel with a loader, and It has been acting up latelly.
Some times the hydrolics don't work. some times they do, but are very weak. power steering is weak, and it is making it all around a pain in the butt to use this tractor.We changed the filter and found a freeze plug type thing about a inch and a half wide in the case. I'm just guessing here that it needs the hydrolic pump rebuilt. My question here, is this common. Is this something we can tackle ourself.
I guess what I'm really asking is how hard is it to rebuild this thing.
Thanks for looking Adam

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the tractor vet

11-19-2006 13:49:49




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 Re: 706 diesel hydrolic system question in reply to Illinois Adam, 11-19-2006 12:24:57  
Main hyd.'s are on a differant system then the steering , so first off myself i can not at this time tell ya just where that plug could have gone and there is now way that it could have come from the rear ens into the hyd . filter . Now in all that i have worked on i have found all sorts of stuff in the filter area but never a freeze plug. And if the loader is slugish then depending on just how it is plumed in to the system will make a differance . As for the steering problems that is on a nother pump , now it may be the pump is going south and it may be other problems in the MCV or in the ft. end . Nowthis is something that i can not tell ya on the computer as ya would have to look and test before ya made up your mind as to the problem . As for rebuilding the pumps , Don't waiste your time ya install a new or reman. But ya sure as hello want to be sure that it is the pump before ya spend the money. So here you are far ahead of the game to have the systems TESTED first by someone that has a Flow Rater and knows I H tractors as you will be time and money ahead because if ya pull the pumps out and replace them and it still does not work that money and time is done gone and you still have the same problem . If i had the tractor setting here it would take me about two to three hours to figure out just what it needed and if it was just pumps about two hours to R &R them .

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Illinois Adam

11-19-2006 18:16:53




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 Re: 706 diesel hydrolic system question in reply to the tractor vet, 11-19-2006 13:49:49  
If you had to guess, what does a reman pump cost?



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the tractor vet

11-19-2006 19:50:46




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 Re: 706 diesel hydrolic system question in reply to Illinois Adam, 11-19-2006 18:16:53  
The last one i installed was about three years ago and it was wright around 450 , But ya may need two pumps one for the MCV and one for main hitch . as like i said it has two pumps for the hyd's on this tractor and also one in the PTO . One pump in the MCv is for steering brakes T/A cooling and lube of the transmission and rearend. the pump in the back does the hitch and remote hyd. SO also like i said it is cheapier to have the whole system tested before one leaps.

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