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Case Tractors Discussion Forum

1070 PTO

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07-15-2011 17:02:13

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Yuo guys have worked me thru my 2090 problems and now its time for the 1070. The PTO turns all the time (worn out pto brake?) but will not turn under load.I think the first step would be to check pres. at flow divider valve ? I dont see a test port on mine, it looks nothing like the picture in the I@T manual. I did check the spool travel and it is 0.75 as stated in I@T manual.

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07-16-2011 12:44:06

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 Re: 1070 PTO in reply to PatGarrett, 07-15-2011 17:02:13  
I hooked atee into the line as you said and am seeing 120 psi. I@T shows 180-200 psi.and to ad or remove shims as required.If piston o rings are bad in clutch pack wouldnt that cause a low pres. reading,rather than a problem in the flow divider?? The folks I got tractor from said they were mowing with it and the mower just quit turning.

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Case Nutty 1660

07-16-2011 12:59:01

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 Re: 1070 PTO in reply to pgarrett, 07-16-2011 12:44:06  
just a guess but sounds like you need to rebuild the pto the loss of drive and low pressure tells me the disc's and back up disc's are shot and allowing oil to bypass cnt

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Case Nutty 1660

07-15-2011 18:21:26

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 Re: 1070 PTO in reply to PatGarrett, 07-15-2011 17:02:13  
I check the pressure where the line hooks to the pto housing, install a tee with nipple into the housing then screw the pipe to JIC fitting in the tee and a guage in the other port on the tee, but pressure only applys the pto clutchs the brake is spring applied cnt

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