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Case Tractors Discussion Forum
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1070 case power shift problem

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john camp

10-26-2006 16:06:48




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later model (white) 1070 case with powershift does the following. 1st p/s everything is good. press inching peddle pressure on c1 and c4 tractor stalls. in reverse presure on c1 c2 and c4 tractor stalls. p/s in 2nd presure on c1 c2 c3 engine labours but does not stall same result in 3rd p/s. all of the presures are at full regulated presure 180 psi. i think c1 and c2 shift spools are both stuck and c3 clutch pack is burnt out any body else out there have an idea. i would like to hear back if you agree or think something differant. any suggestion would be appreciated thanks

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HydroTek

10-27-2006 22:46:31




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 Re: 1070 case power shift problem in reply to john camp, 10-26-2006 16:06:48  
Sooo... remove the shift poppets and free them up.

Sounds like you have already diagnosed the problem, the CASE powershift needs two cluth packs to drive the tractor, you have pressure on three. C1 poppet is stuck open.



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Triplerange

10-27-2006 05:52:44




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 Re: 1070 case power shift problem in reply to john camp, 10-26-2006 16:06:48  
Sounds like you got it figured out. C1 and C2 are definitely stuck together. C3 is definitely hurt. Why would the tractor stall when the inching pedal is pressed? C4 should be the only active clutchpack.



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430WLPG

10-26-2006 17:22:34




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 Re: 1070 case power shift problem in reply to john camp, 10-26-2006 16:06:48  
I agree, cause C-1 and C-2 is PS 1, C-1 and C-3 is PS 2, C-2 and C-3 is PS 3, C-1 and C-4 is reverse, And peddle down C-4 only



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