Farmtrac 535 Jerky Hydraulics

   / Farmtrac 535 Jerky Hydraulics #1  

Fireman_Mike

Member
Joined
Apr 13, 2023
Messages
38
Tractor
John Deere 950
I have a Farmtrac 535 that they hydraulics are jerky. I changed the fluid and filter ans cleaned the suction screen/filter by the left foot. It seemed to work better after changed and then I let it set for about a week and it's aherky again. I did not use it a lot after changing the fluid and filter.
 
   / Farmtrac 535 Jerky Hydraulics #2  
Its prob been like that since new and changing the fluid and filter had a placebo effect on you.
 
   / Farmtrac 535 Jerky Hydraulics
  • Thread Starter
#3  
Here is what the screen looked like when I pulled it
 

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   / Farmtrac 535 Jerky Hydraulics #4  
That's really dirty for hydraulics. Can you add a spin on filter in the system? Have you re checked the suction screen?
 
   / Farmtrac 535 Jerky Hydraulics
  • Thread Starter
#5  
That is the suction screen and it has a spin on already.
 
   / Farmtrac 535 Jerky Hydraulics #6  
What was all that crud on the suction screen? From picture it almost looks like rag lint mixed with sludge. If yes you may need to clean and flush the system again and possibly a couple more times to get it cleaned up. Also need to determine what caused it to be so dirty and fix that problem also so it doesn’t repeat.
 
   / Farmtrac 535 Jerky Hydraulics
  • Thread Starter
#7  
It did look like lint and sludge.
 

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