Load squeal with hydro trans on TC-25D: New Holland Tractor Review  -- New Holland Tractors Discussion Forum and Review Load squeal with hydro trans on TC-25D: New Holland Tractor Review -- New Holland Tractors Discussion Forum

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 03-30-2006, 14:24 Post: 126898
Reaper 06
2006-03-30 14:24:52
Post: 126898
 Load squeal with hydro trans on TC-25D

I have a TC-25D Boomer with SuperSteer and the appropriate NH loader, it has appx 300 hours on it and has been maintain to factory specs. My first winter, I notice it would squeal really loud when you pushed full down or back on the hydro pedal, but it would quit when it warmed up. Now it squeals most of the time when the pedal is full down back or forward, reguardless of temperature. Fluids are good and filters are good. Anyone else have this problem??? ,






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 03-30-2006, 18:10 Post: 126914
Peters

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 Load squeal with hydro trans on TC-25D

When you push the peddle down full you are pushing the maximum amount of oil. I would suspect you are getting a little bit of oil cavitation or the pressure release safety valve is opening. As the tractor ages the release valve spring may soften and provide less tension. I might switch to a lower cool viscosity synthetic hydro fluid and see if it goes away.
I would look back in the posts. I believe there was a similar discussion on a TC-33 or 40.






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 03-30-2006, 20:27 Post: 126920
earthwrks

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 Load squeal with hydro trans on TC-25D

My TC33D makes that noise when it's low on fluid (doh!)






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Discussion Boards > Active Subjects > Messages as Posted > New Holland Tractor Review Forum

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