Go BottomLoader drift
 | Robert Lambert
Join Date: Posts: 1 
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2000-12-12 22370
I have a 790 with a 70 Loader. If the tractor is not running, the bucket will not stay up, but will drift to the ground in about 3-4 hours. Any thoughts. Thanks a million. Bob L.
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| Halsey Green
Join Date: Posts: 1
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2000-12-12 22372
I also have a JD790, and I also notice that my loader will also settle down. have never left it up full height and timed it though. Usually about foot off the ground, come back later and its on the ground. Never gave it much thought, just though it was natural leakage around the spools.
....
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| Bird Senter
Join Date: Jun 1999 Posts: 962 
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2000-12-12 22374
Robert & Halsey, you either have the seals in the cylinders or the loader valve allowing them to leak down (assuming you have no visible leaks and loss of hydraulic fluid). I believe most manufacturers have some amount of this type of leakage that is considered "within specs." If it's excessive (leaks down too fast) or leaks down very fast with the engine running, then it needs to be fixed. Otherwise, just don't leave the bucket in the air where it can lower onto something or someone. ....
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 | dsg
Join Date: Jun 1999 Posts: 528 Franklin, Maine 
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2000-12-12 22375
Robert, I was informed by the John Deere mechanic, that was part of the design of my 460 loader and #48 hoe. Maybe the #70 loader also?
David ....
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| DFB
Join Date: Posts: 1
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2000-12-12 22383
My 4100 with 410 loader will do the same over time. If your nearby you can hear it move now and then as it gradually leaks down. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2000-12-13 22397
My loader seems to stay up indefinitely. I suppose loaders could be designed to settle, and that probably would be good. A standard safety thing is to sit everything down as part of shutting down any type equipment. Kids play, hoses rupture etc. ....
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 | Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York
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2000-12-13 22400
The loader dropping while the tractor is sitting is not that much of a problem and depending on the compnonets used might not be able to be stopped. You would need a check valve control and it is not normally used in this application at all in the industry. When the tractor is running and the loader drops while you are watching it than you do have a problem. ....
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