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3020 jerky lift arms


 
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sklsboy
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PostPosted: Thu Nov 15, 2012 7:25 pm    Post subject: 3020 jerky lift arms Reply to specific post Reply with quote

Looking at a 3020-lift arms raise but are real jerky coming up. Looks to have plenty of fluid and it looks clean. Possible causes and appropriate degree of concern?

Thanks for any suggestions-observations.
 
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Roger in Iowa
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Joined: 12 Oct 2007
Posts: 1584
Location: Ottumwa, Iowa

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PostPosted: Thu Nov 15, 2012 7:50 pm    Post subject: Re: 3020 jerky lift arms Reply to specific post Reply with quote

They will jerk the first time up after starting if the hydraulics are bleeding down.

What happens after they come completely up the first time and you lower and raise again. Is it smooth the second time? (Clutch has to be out (foot off), if synch range trans)
 
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Tx Jim
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Joined: 14 Feb 1999
Posts: 16225
Location: Coyote Flats,Tx

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PostPosted: Fri Nov 16, 2012 3:44 am    Post subject: Re: 3020 jerky lift arms Reply to specific post Reply with quote


I agree with Roger. If 3pt continues to be jerky after several cycles of up/down then I'd recommend checking stand-by psi which should be 2250. How many hours of use since hyd filter was changed and sump screen checked??????
 
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LITTLE RED
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Joined: 29 Jun 2001
Posts: 167
Location: Almond Wi

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PostPosted: Fri Nov 16, 2012 4:47 am    Post subject: Re: 3020 jerky lift arms Reply to specific post Reply with quote

My 3020 will do the same thing on ocasions but the next cycle of the loader everthing is fine.seems like it does it after I use the destroker valve to start it.
 
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