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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Re: New issue with my JD 450c

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T Asbill

04-14-2014 19:23:48

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I have a 450C that is doing almost the same exact thing except the right side will quit pulling when I pull the left lever sometimes Usually when I am on a slope. But then it will work fine for awhile. I can drop the blade in the dirt and both tracks will just dig. I have checked the pressure it is running about 175psi but it does not react like the manual says it should it drops to low when shifting and takes to long to come back up. Shifting from forward to reverse it seems sluggish. I just changed trans fluid the screen was horribly dirty. Any ideas what else to check I suspect that something is stopped up since the pressures do not react like the manual says it should.

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04-15-2014 04:56:11

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 Re: New issue with my JD 450c in reply to T Asbill, 04-14-2014 19:23:48  
The HL-R powershift transmission has an adjustment procedure for proper pressure-swing and shifting. There's a an adjuster bolt under the floor that has a 5/16" or 3/8" jam nut on it. If you have a steering clutch that slips when getting 175 PSI, the clutches are likely the problem.

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