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Farmall & IHC Tractors Discussion Forum
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806 hydraulic

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Elvin Winans

05-08-2008 08:33:52




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I have an 806 that will not move, steer, raise three point, but will run other hydraulics before it runs and warms up for a few minutes. Does anyone have any ideas?




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shoes

05-10-2008 17:05:56




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 Re: 806 hydraulic in reply to Elvin Winans, 05-08-2008 08:33:52  
Check the oring on the hyd filter cover, I just had one that was cut. When it is cut, it takes forever to prime the pumps after a filter change, and also will affect hitch and steering operation. Good Luck



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Edpap

05-08-2008 19:47:59




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 Re: 806 hydraulic in reply to Elvin Winans, 05-08-2008 08:33:52  
Hello Elvin,
I agree with trulyred except for the three point hitch if the steering pump was bad and the low side of the Ta was out then the tractor wouldn't move but the hitch and remotes should work. does you PTO work if not i would be looking at your IPTO shaft at the clutch.
Good luck Ed



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trulyred

05-08-2008 17:36:10




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 Re: 806 hydraulic in reply to Elvin Winans, 05-08-2008 08:33:52  
You have very little or no MCV pump pressure. Pump is behind valve on left side of TA housing, it operates steering, brakes, TA, and lube. Sorry to say that if the tractor won"t move your TA is out on the low side "Be sure the tractor is in neutral & park lock is set" What happens most often with these symptoms is that the gear on the pump has sheared the square in the pump shaft. Probably will take a new pump and the MCV should be rebuilt while it is off.

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TxFarmallFan

05-08-2008 11:26:21




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 Re: 806 hydraulic in reply to Elvin Winans, 05-08-2008 08:33:52  
Mine would do similiar, but only the steering was affected. It was getting air in the system. Might check for that.



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