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Massey Harris & Massey Ferguson Tractors Discussion Board

MF 175 hydraulic problems

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Posted by tim white on October 22, 2012 at 20:14:05 from (

I have a MF 175 with a front loader, and I am having some problems with it. The loader runs off the internal pump in the trans housing. I have three problems that I assume are related.

1 There is a hydraulic fluid leak where the steel lines pass through the side of the transmission housing by the PTO lever (the bulkhead fittings). I loose about a quart of fluid in three hours of work.

2. The hydraulic fluid looks milky/white, like it has water in it. Perhaps water is getting in through the shift levers, which have badly deteriorated boots.

3 Recently the loader has been getting weaker and slower. It can only lift about half of what it used to, and raises very slowly. I have to give the engine full throttle to get it to come up at all, and if there is too much weight it won't raise at all. The cylinder that tilts the bucket still works fine though.

I have been using hydraulic fluid from the local parts store, which says it is suitable for my application. I would really like to avoid having to pull the top off the housing, which is the only way to get into things with the bulkhead fittings. Should I change fluids? And how ould I get all of the old fluid out of the lines and cylinders? Is there a way to change the filter with out pulling the top off of the housing?

Any help/advice will be appreciated.



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