No lift after hydralic fluid change

   / No lift after hydralic fluid change #1  

relhogh

Bronze Member
Joined
Sep 9, 2011
Messages
63
Location
Florida
Tractor
Yanmar 1500d
I drained my hydraulic fluid to clean filter. I replaced fluid to the full mark. Now no FEL or 3PT action.
I move the joystick but nothing happens.
Yanmar 1500d

Help:(
 
   / No lift after hydralic fluid change #2  
Make sure you have fluid at the pumps input port.

You may have to add some air to the tank to help prime.

Once you get prime, the hyd fluid will force any air out after working the cyl.
 
   / No lift after hydralic fluid change
  • Thread Starter
#3  
Thanks JJ
How do add air????
 
   / No lift after hydralic fluid change #4  
Use a rag and air nozzle in tank fill port. Use low air pressure
 
   / No lift after hydralic fluid change
  • Thread Starter
#5  
Thanks Again
Don't think too hard, I may need more advice.
 
   / No lift after hydralic fluid change
  • Thread Starter
#6  
Well that didn't work JJ.

Do I have the have tractor running? Did not try that way.
Does this happen often?
 
   / No lift after hydralic fluid change #7  
Yes, tractor should be running so the pump is running.

You are trying to bleed all the air out of the hyd system.

You might loosen the suction/input line to the pump and see if there is fluid there.

If there is fluid at the input port, then make sure the pump is actually running.
 
Last edited:
   / No lift after hydralic fluid change
  • Thread Starter
#8  
Thanks.:)
Get to it tomorrow. To cold today.
 

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