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Tractor Talk Discussion Forum

loader question

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nicks55

02-09-2007 03:02:59




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Have a problem w/JD4230 we own. It has a JD725 loader. My dad dropped the front loader down too low while the tractor was running. The loader locked up and we ended up taking off the hydraulic hookup in the back and taking it down to the local JD dealer to have them unlock it. We put the piece back on but there is a problem with the loader jumping slightly when you try to bring it down. It jumps back up and then stays in place. It can be a problem when loading round bales. Is it air in the hydraulic line, can anyone suggest a fix???

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RickL

02-09-2007 10:53:03




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 Re: loader question in reply to nicks55, 02-09-2007 03:02:59  
Is this unit a self level unit.



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IH2444

02-09-2007 06:01:36




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 Re: loader question in reply to nicks55, 02-09-2007 03:02:59  
How can you drop the bucket too low ???



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Tx Jim

02-09-2007 05:30:38




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 loader valve in reply to nicks55, 02-09-2007 03:02:59  
I looked on JDParts dot com and it appears that the 725 loader has a self leveling valve which could be causing your problem. If yours has this feature try cycling as previously stated but cycle bucket and boom at same time(similtainously). Tx Jim



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MSM

02-09-2007 05:25:34




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 Re: loader question in reply to nicks55, 02-09-2007 03:02:59  
If it is tied into the remote,you may have a bad coupler on the hose.Sometimes they don't unseat when connected,and will give you a hydraulic "lock",or slow functions.



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Tx Jim

02-09-2007 03:44:09




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 Re: loader question in reply to nicks55, 02-09-2007 03:02:59  
I'm not famililiar with a 725 loader as they were built after I left JD dealership but is it a self-leveling bucket model? Are you operating loader with SCV's or power beyond valve? I don't see how it should have locked from lowering too low as I've raised the frt end with loader to change a flat several times. As Allan stated if air is problem cycling several times will purge air. Tx Jim



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Allan In NE

02-09-2007 03:21:56




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 Re: loader question in reply to nicks55, 02-09-2007 03:02:59  
Sure sounds like air.

Have you tried cycling the thing stop to stop about a dozen times? If it is air, it should eventually work itself out.

Allan



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