New Holland 3Pt Hitch surge: New Holland Tractor Review  -- New Holland Tractors Discussion Forum and Review New Holland 3Pt Hitch surge: New Holland Tractor Review -- New Holland Tractors Discussion Forum

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 09-16-2004, 18:30 Post: 96619
SGTRanger



Join Date: Jun 2004
Location: WV
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 9
 New Holland 3Pt Hitch surge

I have a 2000 New Holland TC35D. The 3 Pt hitch surges when tractor is running and drops when tractor is shut off. It seems to seep down a bit at full lift as well. I think the problem may be with the pressure adjustment to the hitch??
Can anyone tell me if this sounds right and if so, how and where do I adjust the settings.

Thanks!!!!!!






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 09-17-2004, 05:19 Post: 96658
TomG

TP Contributor

Join Date: Feb 2002
Location: Upper Ottawa Valley
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 5406
 New Holland 3Pt Hitch surge

It could be various things. If it cycles up and down at fairly regular intervals, a leaky poppet valve or improper 3ph linkage adjustment seems a good guess. If the surge or cycling goes away when the flow control valve is turned off then the poppet valve or adjustment is likely the problem. Replacing and adjusting a poppet valve isn't too difficult on most tractors but having a repair manual is a good idea.

A sticking system pressure relief valve can create surges but only during lifts. The valve likely is located in a manifold block on the side of the engine. A pressure gauge and manual procedure is needed for repair and adjustment. A faulty safety relief valve in the 3ph can create drops during lifts.






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