Loader wont lift: Loaders  -- Tractor Attachments Implements 3ph Discussion Forum and Review Loader wont lift: Loaders -- Tractor Attachments Implements 3ph Discussion Forum

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Discussion Boards > Active Subjects > Messages as Posted > Loaders Forum

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 06-21-2006, 09:18 Post: 131158
SKUHNLY



Join Date: Jul 2003
Location: granby ct
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
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 Loader wont lift

My JD70 loader on my JD855 tractor wont lift. It tilts and dumps but it wont lift. I bled the hydraulic line and it worked for about 10 minutes and then stopped working again. A dealer said it could be a Priority valve or maybe the lift cylinders need to be resealed. What do you think? Thanks for your help!






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 06-21-2006, 12:09 Post: 131167
hardwood

TP Contributor

Join Date: Dec 2002
Location: iowa
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 3582
 Loader wont lift

Try switching circuts, Turn off engine then work the hyd levers back and forth till all pressure is relieved then uncouple the hoses then plug them back in with the bucket cylinders in the lift circut and lift cyls pluged into the bucket curl outlets. Then if the loader lifts and the bucket don't curl you will know the problem is with the hyd valve on the tractor if the opposite is true,(bucket curls and lift still don't work), then the problem is in the loader, most likely a coupler is locked from a broken or weak spring. Even badly worn cylinders usually will still lift, but settle back quickly, so I would doubt that the lift cylinders are causing the problem. Good luck. Frank.






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 06-21-2006, 21:43 Post: 131203
brokenarrow



Join Date: Jan 2004
Location: Wisconsin
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Posts: 1288
 Loader wont lift

Excellent answer Frank!






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 06-21-2006, 22:18 Post: 131206
JAZAK5



Join Date: Jul 2003
Location: coxsackie,ny
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Posts: 276
 Loader wont lift

I had the same problem , I concur on the coupler issue.






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 06-22-2006, 22:32 Post: 131272
SKUHNLY



Join Date: Jul 2003
Location: granby ct
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 Loader wont lift

I followed all the suggestions and it was able to lift however a friend noticed the coupler appeared to be broken with the pin in the center jammed against the wall of the coupler. I went to the dealer for parts and he said that was probably the cause. I replaced it, changed tranny fluid and filter and it worked great for 10 minutes now the bucket wont curl. so I looked and another coupler was broken as well. So I went and bought 3 more to replace all of them, I think that should do it, right? Thanks you very much for your help, this board is the greatest! Scott






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