JD 5085M PTO disengages

   / JD 5085M PTO disengages #1  

ernram

New member
Joined
Apr 27, 2013
Messages
23
Location
Bastrop, Texas
Tractor
John Deere 5085M
Hi everyone,

I was checking my PTO on my 2009 5085M yesterday and it would disengage after about 10 seconds. Has anyone experienced before? I am thinking it has to be electrical (spool valve or solenoid of some sort), but I have no idea the location of the valve / solenoid.

Can someone point the way please?

Thanks,
Ernie
 
   / JD 5085M PTO disengages #2  
Hi everyone,

I was checking my PTO on my 2009 5085M yesterday and it would disengage after about 10 seconds. Has anyone experienced before? I am thinking it has to be electrical (spool valve or solenoid of some sort), but I have no idea the location of the valve / solenoid.

Can someone point the way please?

Thanks,
Ernie

I would say you need a new PTO switch. You could also ask your dealer to warranty it since its defective if its still under warranty.

AM118802 - $41.79
 

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   / JD 5085M PTO disengages
  • Thread Starter
#3  
Thanks Ed. I'll give it a shot. Given how repeatable it is with respect to the duration prior to cutoff, it seems more of a thermal type event such as a solenoid overheating or something to that effect.

The switch is the lowest cost solution, and I guess I can climb up the money tree to the next costlier component if this does not fix it.
 
   / JD 5085M PTO disengages #4  
Are any error codes displayed. I'll guess faulty pto shaft speed sensor or loose wire.
 
   / JD 5085M PTO disengages
  • Thread Starter
#5  
No codes. The amber PTO light goes off on the dash at the same time I hear the click of it disengaging.

So I am kinda with you that something is telling the computer to cut it off.

Do you have a general location I can look for this sensor?

Thanks Jim
 
   / JD 5085M PTO disengages #7  
   / JD 5085M PTO disengages
  • Thread Starter
#8  
Ed...thanks for the feedback. I guess i was just grasping for straws.

I'll look for damaged cables in the morning and then move to the speed sensor. I have been looking for the location on the diagrams on JDParts for the sensor, but have not been to find it.

And pointers?
 
   / JD 5085M PTO disengages
  • Thread Starter
#9  
20140104_155716.jpg

Ed...do you think it is item 7. RE519144
 
   / JD 5085M PTO disengages #10  
I think that's the pto sensor.
 

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