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Farmall & IHC Tractors Discussion Board

Re: IH Hydro 656 - No Steering, No Forward, No Reverse


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Posted by pete 23 on December 15, 2014 at 10:05:17 from (173.87.11.49):

In Reply to: IH Hydro 656 - No Steering, No Forward, No Reverse posted by RedBarnNate on December 12, 2014 at 10:11:13:

You would cap the fittings at transmission that lines number two and four are hooked to. I should have said lines that go to control valve instead of foot n inch valve. With those capped, if tractor moves with speed ratio lever, realize you will not have any control with the foot n inch pedal as it is eliminated for the test. Did the tractor labor when you pulled the hydraulic valves as it should. There are two hydraulic pumps with one mounted piggy back on other. The main pump is steering and aux valves. Other is for hitch and when hitch is not raising, that flow also goes to aux valves. If main pump is not turning the other cannot turn either. Also, the pto drives from same gear and shaft as hydraulic pump. So, if hitch raises that means both pumps are turning. By putting a load on the pumps like trying to steer or dead heading the aux valves, pto would stop if main drive splines were sheared off. I think you have more than one problem.


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