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Lesser Known Classics Discussion Forum

Long 350 hydro pump problem i think..?

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Author  [Modern View]

04-29-2012 12:53:50

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Hello All

The Hydraulics on this tractor have never been to strong, but the other day i went to lift a log with my boom pole and it would not lift it, so i just skidded the log along over a terrace and it put the full weight of the log on the hydraulics (not thinking on my part) now they will not do anything, have i killed the pump or is something else possibly wrong.? i dont even know know where to begin to figure out whats went wrong...

any information you might be able to give would be appreciated.. :)

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04-30-2012 16:53:49

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 Re: Long 350 hydro pump problem i think..? in reply to Cyric30, 04-29-2012 12:53:50  
Check pressure at remote coupler. Should be 2K PSI @ 1K RPM. If OK you have an internal hyd leak; if not check for leak at pres relief valve. If that's OK you prolly have a worn pump

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El Toro

04-30-2012 15:36:53

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 Re: Long 350 hydro pump problem i think..? in reply to Cyric30, 04-29-2012 12:53:50  
Is it full of hydraulic oil? If it has plenty of oil I would pull the pump. Make sure the relief valve isn't bypassing your oil. Hal

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04-30-2012 17:02:54

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 Re: Long 350 hydro pump problem i think..? in reply to El Toro, 04-30-2012 15:36:53  
thank both of you :)
Ok, i,ll check the remotes, it good on oil, but where is the relief valve this tractor.??? i apologize for my ignorance :(

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05-01-2012 06:53:49

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 Re: Long 350 hydro pump problem i think..? in reply to Cyric30, 04-30-2012 17:02:54  
Relief valve is round with 2 flat sides screwed into remote valve at front. Takes a 17mm or 11/16 wrench.

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