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John Deere Tractors Discussion Forum
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Re: John Deers 401C Torque Converter or Hydraulic Clutch Shu

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Author  [Modern View]

09-20-2013 11:32:52

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Hey John, I was reading your response when the snail mail came. In the mail was the manual I ordered.. You and the manual say the same thing.... So I'll use it like the machine has a hydraulic clutch. The manual confirms there is an adjustment for declutch/clutch cycle time. The manual recommends the cycle should take 1.25 seconds for the whole cycle and currently the machine seems to run the cycle almost instantly. I'll look to get it adjusted ASAP... I do dwell on your thought of pressure leak down/no ground travel at idle... It idles smooooth at 450RPM and when I thought it was possibly torque converter drive when RPM got up to 600RPM's it was like stall speed on a torque converter had been reached.. The operating RPM's per manual is 1500-2500.. Locking up the clutches at 600RPM well below the operating RPM range may or may not be significant...and/or just a sign of the tractors age/hours. Fortunately I'm not making a living with it.. A little brush hogging and some snow control is all there is in its future so hopefully I'll be fine for some time...

THANK YOU for taking the time to share your expertise!!!!!!!!!!!!!!!!!!!!

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Tx Jim

09-20-2013 12:34:44

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 Re: John Deers 401C Torque Converter or Hydraulic Clutch Shu in reply to Duetzfan, 09-20-2013 11:32:52  
IIRC low idle speed should be 800 rpms

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09-20-2013 13:31:47

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 Re: John Deers 401C Torque Converter or Hydraulic Clutch Shu in reply to Tx Jim, 09-20-2013 12:34:44  
First Off, my aplogies JIM, sorry about calling you John...

Probably the low idle was the entire issue.. Most probably don't turn them down that low? I LOVE the sound of 2 things:

The sound of an idling good running diesel, my FAVORITE a 4 cylinder Detroit...


I guess I should turn the idle up and leave it alone.. It's supossed to be a recent rebuild on the engine..Idling like that I'd guess it may be....

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Tx Jim

09-20-2013 13:37:37

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 Re: John Deers 401C Torque Converter or Hydraulic Clutch Shu in reply to Duetzfan, 09-20-2013 13:31:47  
Quoting Removed, click Modern View to see

No apologies necessary. My ex-wife & ex-girlfriends called me much worse. :lol:

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