M670 super - broken power steering line

samuel c · Jan 30, 2014

Greetings,
One of the power steering lines between pump and pedestal broke and let out all fluid.

Is there a best fix? Replace metal line with hose? Use a coupler with sewage fittings?

Interested in any suggestions you may have.

Thank you,
Sam c

Alan K · Jan 30, 2014

Which line is it that broke?

samuel c · Jan 31, 2014

I do not know the name of the line. It is on the left side of the engine between the block and frame rail about 6 to 8 inches behind hydraulic pump. When the steering wheel turns oil spews out. It seems to be about 3/8 inch in diameter.

Howard H. · Jan 31, 2014

Not sure of what your exact situation is, but I always just brazed up any hydraulic piping that developed wear holes on my old JD 4840.

It always worked fine.

Howard

Alan K · Jan 31, 2014

I agree with Howard. Brazing is worth a try. Just make sure the brazing doesnt go too deep in the hole and plug the line. I had that on a 5 Star when I bought it and am guessing that is why the pump runs warmer than normal.

Kevin Moschenrose · Jan 31, 2014

You can also go ahead and cut the line in two and put in a 3/8" brass compression fitting as well.

M670 super - broken power steering line

samuel c

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Alan K

Well-known Member

samuel c

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Howard H.

Well-known Member

Alan K

Well-known Member

Kevin Moschenrose

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