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1650 lift arms dropping at low rpm


 
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dnd
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Joined: 20 Feb 2017
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PostPosted: Sat Dec 02, 2017 6:07 am    Post subject: 1650 lift arms dropping at low rpm Reply to specific post Reply with quote

Good morning to all, finally got corn and beans off in Wisconsin!
This topic was crossed earlier this summer by someone else on this site, but here I go again. My 1650 will drop it?s three point arms when the engine rpms are below 1100, when you increase the throttle the arms raise back up. Also this spring I needed to keep the tractor rev?d up to raise the soybean drill. I remember someone mentioning that there is an elbow in the hydraulics under the seat that might be the cause as it tends to crack.

Now I have the seat off last night and am looking for the elbow.. I am sure I will need to get the hydraulic oil out but then where should I look.
Thoughts! HELP or suggestions needed.
 
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rrlund
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PostPosted: Tue Dec 05, 2017 7:21 am    Post subject: Re: 1650 lift arms dropping at low rpm Reply to specific post Reply with quote

I think the one you're talking about is on the side of the 3pt cylinder itself. You have to take the whole top off the rear end and turn it upside down to get to it. I wonder if the problem is the o-ring on the piston being worn flat? I've had to change them on my 1850 and 1550. The 1550 would bounce though. It would start down,then catch itself and raise back up quick over and over.
 
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dnd
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PostPosted: Tue Dec 05, 2017 5:47 pm    Post subject: Re: 1650 lift arms dropping at low rpm Reply to specific post Reply with quote

Got everything apart tonight. Elbow looks good,,, what is the easiest way to get the piston out of the sleeve?
 
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rrlund
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PostPosted: Wed Dec 06, 2017 9:36 am    Post subject: Re: 1650 lift arms dropping at low rpm Reply to specific post Reply with quote

You can stand it on end and just tap it on a wood block. I've used air before,but it seems no matter how little I try to blow in,it's too much and the piston comes flying out like it was shot out of a cannon.
 
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