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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Re: JD 450C hyd pump problem

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Todd Asbill

01-15-2013 06:17:07
69.46.60.148



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This is the second new pump the first one did same thing so my first thought was a faulty pump. Then when the second pump did same exact thing now i think there may be a problem else where.




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Roy Suomi

01-23-2013 16:58:06
76.190.196.2



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 Re: JD 450C hyd pump problem in reply to Todd Asbill, 01-15-2013 06:17:07  
I don't remember , is it a Gressen valve ?? Try calling Surplus Center in Nebraska. They have some real sharp customer service people that know their stuff.. Maybe they can help..



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Todd Asbill

01-15-2013 17:49:14
69.46.60.148



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 Re: JD 450C hyd pump problem in reply to Todd Asbill, 01-15-2013 06:17:07  
Possibly found the problem. This dozer according to the books requires a 1750psi relief valve the valve that is in it is a 2250psi valve. Now I am looking for a place to get the 1750psi relief valve. any ideas where to start? according to my local JD dealership they are not available.



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