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ajax
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2001-10-29          32751


Had a cub cadet(woods) loader model 476 mounted to my cc7275 last year. Has worked very well overall. However it seems the bucket will drift downward over time. With a load of topsoil it may take 10 minutes to drop from a mid level position about eight inches. If I were to leave the bucket empty, again at a mid level position, the bucket would be on the ground in about three hours. I understand the problem could be a leak in either lift arm valves or in the joystick area. The loader is still under warranty and the solution is being discussed between cc and the dealer. Awaiting their solution. In the meantime any thoughts?



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Art White
Join Date: Jan 2000
Posts: 6898 Waterville New York
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2001-10-30          32758


Most all loaders will come down after time. Some a little time is needed for it to fall and some longer. It would be nice if they would hang out there till the cows come in. Fact is they won't unless a load check style valve is used. The reasons they aren't used is, cost, and the way they work. Some tractor operations do require it in the ag industry but we still don't use them to often. ....


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TomG
Join Date: Feb 2002
Posts: 5406 Upper Ottawa Valley
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2001-10-30          32760


All loaders and 3ph's settle to some extent. I guess I'm lucky, because mine are pretty old and they don't settle noticeably in a day or two. I never notice settling in mine. I've become safety indoctrinated and always set everything on the ground when I leave the tractor, even for short periods. However, a loader that's still under warranty shouldn't settle as much as described. The settling could be caused by oil leaking past the control valve lands into the return line, by oil leaking from one side of the cylinder piston to the other or an external leak. Except for an external leak, it would take a bit of testing to determine the exact cause. Most likely the dealer would do any testing required under warranty. I don't know if running hydraulic oil that needed to be changed would aggravate the problem, but somebody may ask. I wouldn't think that lifting excessive loads would aggravate settling. Most SCV's have safety relief valves to protect against load shocks, and the tractor's system pressure relief valve protects against attempts to lift too much. There should be an assumption here that the loader is properly matched to the tractor and that the pressure relief valves operate properly. The matching issue mostly belongs to the dealer who sold the loader, but again, somebody may ask. Some questions may be asked, but I imagine the problem will be fixed under warranty with little more aggravation than getting the tractor to the dealer. Of course, since I'm two hours from my dealer, that would be a considerable aggravation for me. ....


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ajax
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2001-10-30          32794


I am well aware of the safety issues concerning loaders and leaving them in anything but a down position. However I have done this in order to observe the situation I have described. This cub will hold any three point inch implement in any position "till the cows come home" with no downward drift. However this loader is less than one year in use. And by use I mean limited and very reasonable usage. I am just trying to get idea of given the time and usage is it "normal" for this quality of loader to drop this fast considering the afore mentioned cicumstances. As a dealer of cubs Art White is this normal or is it a problem worthy of warranty consideration in your opinion, and again I have taken into account your previous email. ....


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TomG
Join Date: Feb 2002
Posts: 5406 Upper Ottawa Valley
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2001-10-31          32801


Both my old 1710 3ph and my old Allied 195 loader, as you say, stay up till the cows come home (range rather than dairy in my case). I think it's good to mention safety stuff in a small way from time to time. Not everybody who reads these boards is aware of some of the issues--I sure wasn't some years back. ....


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Art White
Join Date: Jan 2000
Posts: 6898 Waterville New York
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2001-10-31          32803


The three point hitch and the loader are two totally different things. Like apples and oranges, they both need sun to grow and ripen to be useful,but different. The three point hitch and the loader are much the same, only they need a hydraulic pump and fluid to work. The part of where they stay or move is up to the valves that are used to control them. You do have a problem, not as bad as some but now is the time to get it looked at if you choose to. Chances are if left unchecked it will only get worse. I feel it will be diffucult to get to the bottom of it, but your valve might be the problem and the simplest just to change it. The cylinders should be checked and it is quite easy for a dealer to do. The dealer should definitly should be notified and made aware of the problem so as to document it for further reference at a minimum. I think you are on the right track. ....


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Bird Senter
Join Date: Jun 1999
Posts: 962
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2001-10-31          32804


Ajax, when I bought the '95 B7100 new (B1630C loader), the loader would gradually lower, even with the engine running and nothing in the bucket. When I was mowing or tilling, I would have to raise it a bit every once in awhile. I've forgotten the numbers now, but it was something like 3 or 4 inches every 10 minutes. The dealer replaced the seals in the lift cylinders; didn't help. A factory service rep thought the problem was going to be the valve, but after doing some checking, found it was not the valve, but the cylinders, so they replaced all 4 cylinders with new ones. But they told me that a certain amount of lowering is "within specs." And now I've forgotten the numbers they gave me; i.e., the distance it can lower within what time and still be considered "within specs." ....


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