Massey Ferguson 240S power steering leak at steering col

VinceMF240 · Sep 26, 2021

I have a Massey Ferguson 240 thats got a power steering leak at the steering column almost looks like its coming from the steering wheel any ideas of whats causing this or how I need to fix it?

My tractor has a orbital valve at the bottom of steering shaft and 2 hydraulic rams one on each side of my tie rod for steering. Not sure if the 240s requires different parts than the standard 240 I just know some 240 come with a arm coming off the steering box and mine isnt like that.

Steve@Advance · Sep 27, 2021

I've seen that problem with the conventional power steering gear type steering box.

In my case, an aftermarket steering wheel had been installed which allowed water to go down the tube and pool on top of the seal area, which in turn rust pitted the shaft and caused the seal to leak.

You should be able to replace the seal. If you have to take the Orbitrol unit apart, be very careful to mark how each component comes apart. Take pictures and mark everything, as it will go back many ways but will only work when everything is exactly as it belongs. Learned that lesson the hard way!

If the shaft is rust pitted, try to use a wider seal or install the seal so it runs on a fresh area of the shaft. And find a double lip seal so to keep water and grit from getting down to the seal area. I was able to use a Speedi Sleeve on mine, but depending on the design that may or may not work on an Orbitrol.

When I replaced the seal in mine, I drilled a hole at the bottom of the tube to let water out. Don't know if that will apply to yours.

Massey Ferguson 240S power steering leak at steering col

VinceMF240

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Steve@Advance

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