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Farmall & IHC Tractors Discussion Forum
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706 3 point hitch adjustment

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a4t1rat

08-02-2006 12:57:24




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I have a farmall 706 with a 3 point hitch it will not lift my post hole digger unless you rev the motor way up. every thing else on this tractor works great,,, was thinking there may be a adjustment for it? any help would be app. Thanks




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the tractor vet

08-02-2006 13:14:59




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 Re: 706 3 point hitch adjustment in reply to a4t1rat, 08-02-2006 12:57:24  
Put a gauge on the remote and see what ya have for pressure first then will talk , sounds like low pump volume and even the gauge test will not so that that needs to have the pump flowrated to see what the GPM is .



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a4t1rat

08-03-2006 10:12:36




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 Re: 706 3 point hitch adjustment in reply to the tractor vet, 08-02-2006 13:14:59  
I dont have a guage, i will have to go get one.
is it just the lift that uses that pump? every thing else work fine. is the PTO run by that pump or just the remote hyd's? is there a bypass valve that could be stuck? I will get into it this weekend for now I am using my 856 to drill holes kinda over kill..Thanks Gordon



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the tractor vet

08-03-2006 12:04:53




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 Re: 706 3 point hitch adjustment in reply to a4t1rat, 08-03-2006 10:12:36  
There are three hyd. pumps in that tractor one is for the steering, brakes, T/A , and lube of the transmissions and also running the hyd. oil thru the oil cooler in ft. of the rad . Then there is the hitch pump in the left rear of the tractor down in ft. of the left axel housing this is the pump that does the remotes and the hitch . And the other one is built into the PTO and that pressures the PTO . Now you may think that everything is ok on the remotes but even a 14 foot disk with a 3x8 cylinder on it can be lifted with and old H or Mwith the pressure set at 950 . Now if that tractor is bone stock then the system should pressure up to 1750 lbs with the stock releif if someone along the way needed more pressure then anything from the 1750 -2350 . But with what you say that it will lift when reved up no there could be a valve stuck and it is doing some bypassen or it could be like i said low pump volume . You can remove the top link plate and look inand see if there is a bunch of oil sprayen off the upper right hand side and if there is then you will have to remove the rocksaft housing to get to the unloader valve or if it is comming out of the hitch clinder same thing applys . The best way to figure this one out is take it in and have the system flowrated then you will know what the pump is putting out , Nah i ain't ah going to say it .

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a4t1rat

08-03-2006 12:30:36




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 Re: 706 3 point hitch adjustment in reply to the tractor vet, 08-03-2006 12:04:53  
Thanks for your help. I will se what I can find out. the tractor is stock as far as I know I bought it from the orig. owner and it has 3200 hrs on it. I know it sat for 2 years before I bought it.. maybe a new pump is in order sounds like it... thanks for all you help
Gordon



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Allan In NE

08-02-2006 13:04:46




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 Re: 706 3 point hitch adjustment in reply to a4t1rat, 08-02-2006 12:57:24  
Will the remotes lift an implement with a cylinder?

Allan



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a4t1rat

08-03-2006 10:07:50




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 Re: 706 3 point hitch adjustment in reply to Allan In NE, 08-02-2006 13:04:46  
Yes it will. Every thing else seems ok. thats why i was thinking there may be an adjustment



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