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Tractor Talk Discussion Forum

JD 2940 Hydralics

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Skybow

05-12-2008 18:51:38




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I have a JD 2940 with an Allied 595 loader. The other day I noticed it was down a bit of hydralic fluid. I added nearly a gallon and it was at the full mark. Today I started the tractor to use the loader. The loader raised about 8 inches and then stopped dead. When I lower it it goes down very slowly. I shut the tractor off and looked for binding or something blocking it. It was free. Every time I tried to raise the loader arms it comes up about 8 to 12 inches and then stops. The bucket worked normally so I switched the lines from the bucket to the arms. They raised and lowered normally. Is there a bleed fitting on the control unit? Could it have an air or water lock preventing it from operating? Do I need to replace or rebuild the hydralic control unit? Any help would be appreciated.

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buickanddeere

05-12-2008 19:14:12




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 Re: JD 2940 Hydralics in reply to Skybow, 05-12-2008 18:51:38  
Brakes, steering, rear hydraulic remotes, three point hitch all working? How are the tractor hydraulics connected to the loader hydraulics?
Most likely it's the "old sneaky hose" failure trick. The inner liner of the hose can come loose and a chunk of it plug the line.
If one hose has failed, every other hose is just a sold and just as rotten. Replaced every single hydraulic hose on the 1640 and 240 loader last year. Even improved the speed of operation by going to 1/2" hose. Didn't cost more than a few bucks extra either.

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M w J

05-12-2008 19:13:40




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 Re: JD 2940 Hydralics in reply to Skybow, 05-12-2008 18:51:38  
If you are useing your remote outlets The ends withe the ball in can get a restriction in them or just wear out change your tips . Mike



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