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Goes To Sleep


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#1 efedak OFFLINE  

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Posted November 10, 2014 - 08:16 PM

a friend of mine has a decent early 80's case, I don't know the model, and told me today that it is up for sale but didn't say how much. I ask why and he said that after about an hours work it decides to take a nap, after it cools off it'll run for another hour or so. does any one have any thoughts as to what could be the problem here? I've read that they are real picky about the oil you're supposed to use.



#2 johndeereelfman OFFLINE  

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Posted November 10, 2014 - 08:25 PM

Could be a sticking push rod. Heats up and swells, then shrinks during cool down.



#3 petrj6 ONLINE  

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Posted November 10, 2014 - 08:26 PM

   Take a nap???  A little more details would help, Is the engine quitting?  if so when it quits does it stop suddenly( locked up ) or does it just die slowly ( coil getting hot and quitting )  Or does it stop driving?



#4 DougT ONLINE  

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Posted November 10, 2014 - 08:31 PM

   Take a nap???  A little more details would help, Is the engine quitting?  if so when it quits does it stop suddenly( locked up ) or does it just die slowly ( coil getting hot and quitting )  Or does it stop driving?

I have to agree with Pete. Lots of variables in that equation.



#5 KennyP ONLINE  

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Posted November 10, 2014 - 08:32 PM

Sounds a lot like me! After about an hour, I'm ready for a nap!


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#6 superaben OFFLINE  

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Posted November 10, 2014 - 08:33 PM

An hour is a little long for vapor lock.  I'm leaning towards a coil if it is engine related. 

 

What model Case are you working on?  What engine is in it? 

 

Ben W.


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#7 dropped82 ONLINE  

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Posted November 10, 2014 - 08:34 PM

Sounds a lot like me! After about an hour, I'm ready for a nap!

Sounds like you need a new coil Kenny.

I'm thinking coil or condenser also. There's a lot of heat under the hoods of these things. They like to melt the decals and paint off over time.
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#8 JDBrian OFFLINE  

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Posted November 11, 2014 - 07:33 AM

I would carry a spark tester with me and when it quit I'd check for spark. No spark and you have narrowed the problem down considerably. Most likely it's the coil if it does it that consistently. If it was converted to SS ignition that may be another source of trouble. 



#9 TAHOE ONLINE  

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Posted November 11, 2014 - 08:30 AM

An hour is a little long for vapor lock.  I'm leaning towards a coil if it is engine related. 

 

What model Case are you working on?  What engine is in it? 

 

Ben W.

 

:ditto:



#10 efedak OFFLINE  

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Posted November 11, 2014 - 07:39 PM

my deepest apologizes, the engine runs great, and stays running, the tractor slows down and won't pull it's own weight 



#11 Cat385B ONLINE  

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Posted November 11, 2014 - 08:14 PM

Sounds like wrong oil, blocked cooler issue, or contamination in oil issue.


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#12 1031d OFFLINE  

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Posted November 13, 2014 - 07:47 PM

Could be the wrong oil also. Should use Rotella 15W-40.




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