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Ford 9N, 2N & 8N Discussion Forum
Show Parts for Model:

Re: FEL Suddenly dropped under load ??

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L. B,

01-11-2013 12:20:55
64.187.79.169



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Full of fluid? Fluid level is the #1 reason for Hyd trouble. Internal leaks weak check, or pressure relief valve? You will just have to trouble shoot it step by step till ya find the problem sorry no short cuts. If it will finish the job and and then get her out of the wind your next day is planned.Be careful cause a sudden pressure drop is like lighting, ya cant get out of the way if your in harms way. Good Luck

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Mr. T. Minnesota

01-11-2013 12:51:47
68.170.114.158



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 Re: FEL Suddenly dropped under load ?? in reply to L. B,, 01-11-2013 12:20:55  
LB,
Thanks for the reply. It has plenty of fluid. I make sure not to over fill so it does not run down the axle to the brake linings. Been there, done that.
Removed the dip stick side cover and observed the commotion inside. Looked to be in order. The lever linkage is in order-maybe?? Have been told not to theorize on possibilities but there may be a logical solution. When the FEL dropped, it was in the down mode. Wonder if the drop under load could have jammed the exhaust valve open. It has been sticking when attempting to lower under heavy load lately. Maybe I could drain fluid and tap the exhaust valve. Any other thoughts or ideas are welcome.
Mr. T. Minnesota

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TheOldHokie

01-11-2013 16:39:38
108.22.202.27



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 Re: FEL Suddenly dropped under load ?? in reply to Mr. T. Minnesota, 01-11-2013 12:51:47  
Quoting Removed, click Modern View to see

The N-series three point control valve was never intended to provide the fine grained control needed for controlling a FEL. A dump valve installed in the loader hydrauilc line that was manually activated by lowering the 3pt quadrant was the 40's/50's way of dealing with that twitchy and erratic behavior. Personally I would recommend an inexpensive SA directional control valve with separate return cicuit installed between the test port and loader cylinders. Leave the 3pt control in the full up position (constant ouput at the test port) and use the loader control valve to raise/lower the loader. Cost you about $75.

TOH

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L. B,

01-11-2013 13:18:43
64.187.79.169



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 Re: FEL Suddenly dropped under load ?? in reply to Mr. T. Minnesota, 01-11-2013 12:51:47  
MTM I must confess I ASSumed it was a front mount pump all I know about the N pump is its not my cup of tea. I am very lucky 35 yrs and all I ever had to do was drain old fluid and put new clean fluid in all my Ns. That said you are on the right track with the logical solutions you will never get the famous Minn Banshee to habitate in the N sys. Wait and I bet somebody knows exactly what to do,

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