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Tractor Talk Discussion Forum

lift arms not lowering

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val konieczny

09-11-2005 07:04:38




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It's a long story about a tractor I've spent too much on,but I like it. when i raise the arms on my 1945 2N they will not lower back down. The piston under the seat is free and when I remove the oil passage plug in the corner of the pan it releases the pressure and the arms fall. I removed all the valves in the pump and found none sticking. However i did not soak the valve bodies I simply rinsed them off and reassembled the pump to no avail. I still cannott get the arms to lower. They come up easily when even cranking the enging but will not lower. To my knowledge they did not work even before I bought the tractor. The PTO cover was on upside down as were the lift arms. I am almost finished with my restoration. Any insight would help. Have I just not gone far enough?

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geok

09-11-2005 15:59:23




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 Re: lift arms not lowering in reply to val konieczny, 09-11-2005 07:04:38  
Are your control arms still connected to the T on the control valve? Is the spring that go between the control arms and hydraulic cylinder still there. If this spring is gone the lift will not come down.



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twopop

09-11-2005 11:01:06




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 Re: lift arms not lowering in reply to val konieczny, 09-11-2005 07:04:38  
inside the pump,the valve slides back and forth in a bushing.the bushing has a hole in it that allows the lift arms to go down.that hole is plugged with some junk.the pump has to come out and the bushing pressed out and the oil passages cleaned. then press the bushing back in.make sure the rear end housing is completely clean of dirt etc.



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