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1650 hydraulic problems

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Ken in Iowa

04-08-2003 11:54:33




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I recently bought a very used 1650 at a farm auction and have installed a Westendorf WL30 loader on it. The right hand hydraulic control lever will lift the loader when pulled back. In order to lower the loader with the lever forward I have to rev the engine way up and the loader will slowly creep down. Also the right lever rotates too far in each direction. It doesn't seem to have any stops like the left lever does. Is this a linkage problem, control valve problem or both? Where do I begin?

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Ollie

04-08-2003 12:56:21




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 Re: 1650 hydraulic problems in reply to Ken in Iowa, 04-08-2003 11:54:33  
As usual, Shep is right. My 1650 has a 1610 loader on it. The restrictor screws are adjusted with a screwdriver after you looosen the lock nuts. If I recall, both must be 1 full turn out (at least). If the boom/bucket bounce, turn them in a little. Be sure to tighten the lock nuts back down while holding the adjustment with the screwdriver.



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Shep Va

04-08-2003 12:10:32




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 Re: 1650 hydraulic problems in reply to Ken in Iowa, 04-08-2003 11:54:33  
Sounds like a restrictor valve is too tight. The restrictor valves are under the seat, one on the left and one on the right for the coorisponding remotes. They are screws that sometimes are covered with caps, you need to remove the caps and let the restrictor valves out to allow fluid to go back in the system quicker. These screws are the furtherest most back, there is also another set of screws further up that are not restrictor valves, dont mess with them.

I am trying to remember all this with out my book so if I am wrong someone catch me, but I think that is the way it goes.

The best thing to do is to put a two bank valve on the fender just for the loader and not run the loader through the remotes, but use the power beyond feature. Your loader will have a lot more power and control if you add its own valve.

Good luck

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Ken in Iowa

04-08-2003 12:38:45




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 Re: Re: 1650 hydraulic problems in reply to Shep Va, 04-08-2003 12:10:32  
Thanks for the advice, Shep. What can be done to correct the unlimited rotation of the right-hand lever?



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Ken in Iowa

04-15-2003 12:17:04




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 Re: Re: Re: 1650 hydraulic problems in reply to Ken in Iowa, 04-08-2003 12:38:45  
I am still having trouble with the right hand remote lever. It will not engage and will rotate all the way back and forth. How do I get the assembly apart? Is there a setscrew accessible through the hole in the bottom of the lever? I can't see anything in there. I assume there must be a key or spline to make the lever engage the shaft and something like a setscrew to tighten it up.



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Larry from MD

04-09-2003 06:16:28




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 Re: Re: Re: 1650 hydraulic problems in reply to Ken in Iowa, 04-08-2003 12:38:45  
The washer and key hole are worn on the one side that gets the most use.You can tighten it up by removeing the top cover and turning the washer and or rebuilding the the key hole.



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Ken in Iowa

04-15-2003 13:52:35




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 Re: Re: Re: Re: 1650 hydraulic problems in reply to Larry from MD, 04-09-2003 06:16:28  
Larry,

Are you referring to the entire top cover of the hydraulic pump under the seat? The lever isn't engaging at all now so it has become more than just a nuisance.



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Ken in Iowa

04-10-2003 12:01:11




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 Re: Re: Re: Re: 1650 hydraulic problems in reply to Larry from MD, 04-09-2003 06:16:28  
The snow has finally melted enough that I can find my tractor and I am trying to adjust the restrictor valve as suggested. I have removed an elliptical shaped cover on the right side under the seat in alignment with the remote levers. There are 3 adjustment screws located inside. They are in a triangle pattern with two above and one below like 10, 2 and 6 on a clock dial.

Am I in the right place and which screw do I let out. From your description I was only expecting to find two screws. I don't want to start turning screws until I think I have found the right one.

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Ollie

04-10-2003 14:29:11




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 Re: Re: Re: Re: Re: 1650 hydraulic problems in reply to Ken in Iowa, 04-10-2003 12:01:11  
If you are trying to adjust the two restrictor screws (they control the rate of return of hydraulic oil from the cylinders back to the pump) you don't remove anything. At the far rear of the top of the hydraulic pump are two screws (use a screwdriver), one of each side of the tractor, held in adjustment by nuts. If you order the operator's manual (top left this page) you would find them faster than a tick on a hound dog.

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Shep VA

04-08-2003 13:08:17




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 Re: Re: Re: 1650 hydraulic problems in reply to Ken in Iowa, 04-08-2003 12:38:45  
Yeah, all the olivers have that problem to an extent, the right hand lever will go further foward than the left one, but it should go the same amount pushed back. Im not sure exactly why, I used to think that was a float position of some nature, but I have never been able to make that work for a float. If it is moving a lot easier than the other lever then you may have a sping on the valve that has broken or gotten weak and you will have to fix that inside the hydraulic system, but it sounds like it may be the same issue that most of the Olivers have.

I still stand by my previous advice, dont run the loader through the remotes on the tractor, get a valve bank and plumb it up for your loader, it will be a lot less troublesome, and work considerably better.

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