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Case Tractors Discussion Forum
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1070 powershift with a jerky clutch.

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Ive got Whiplas

04-18-2008 06:33:17




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I have a 1070 that the clutch is very jerky on it. The popwershift works fine with that being my only complaint. Is there anything i can do to help this? I have driven many others and they havent been this jerky. thanks




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corey c

04-23-2008 19:40:19




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 Re: 1070 powershift with a jerky clutch. in reply to Ive got Whiplash, 04-18-2008 06:33:17  
Did you get it fixed. After checking the modulator poppet i talked about before, it very well could be broken bolts in the powershift.



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JoeBob/IN

04-18-2008 19:02:40




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 Re: 1070 powershift with a jerky clutch. in reply to Ive got Whiplash, 04-18-2008 06:33:17  
Had a 1270 and a 2390 do the same thing... both were stick cables! Two way overpriced NEW cables later problem was solved. Took care of two problems on the 2390 actually. Was hesitant going from 2nd to 3rd. Couldn't adjust retard valves to cure it. Cable was catching about 1/16" from the full end of travel and causing leakage which caused a slow shift.



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jim handke

04-18-2008 18:24:03




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 Re: 1070 powershift with a jerky clutch. in reply to Ive got Whiplash, 04-18-2008 06:33:17  
If you have no inching pedal, (you keep easing up on the clutch pedal until the tractor jumps ahead)the seal is probably leaking badly on C2 clutch.



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corey c

04-18-2008 15:07:29




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 Re: 1070 powershift with a jerky clutch. in reply to Ive got Whiplash, 04-18-2008 06:33:17  
check the modulator poppet. Lift up the floor plate to get to the valve assembly. While looking at the valve move the clutch pedal and watch which spool moves. That is the spool that the poppet is in. At the opposite end of where the clutch pedal cable hooks is a nut that you will take off. Pay close attention how the parts come out. The part that is probably bad is shaped like a bullet. The tip will probably be mashed up.

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R.D.F.

04-18-2008 14:30:59




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 Re: 1070 powershift with a jerky clutch. in reply to Ive got Whiplash, 04-18-2008 06:33:17  
How are the cab mounts, have somebody stand safely by to watch cab movement, Dale



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