3pt Lift bleeds done quickly-Kioti CS2410

   / 3pt Lift bleeds done quickly-Kioti CS2410 #1  

rockybartlow

New member
Joined
Jul 26, 2021
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3
Tractor
Kioti CS2410
Bought the tractor used 5 years ago. With a 5' back bladed it would bleed fully down with tractor running in several minutes.
-Yesterday I was dragging a branch with it hooked to my 3pt ballast box. Ballast box/3pt will bleed fully done in well under a minute.
-Control knob in middle of seat fully closed, 3pt lifts fine. FEL loader lifts and holds fine. Oil level is good.

After reading another post for a kubota with similar issue is seems that the o rings by the piston are the most obvious cause.

#6 in the diagram is the piston
-Am I correct in assuming that o rings part #7 and #8 are the correct o rings for this repair or am I misreading which o rings need replacled?

Thanks for any help!


1745955403167.png
 
   / 3pt Lift bleeds done quickly-Kioti CS2410 #2  
Yes, #7 and #8 are indeed the seals you need to replace. It's usually just an o-ring and a backup ring.

One test you could do to rule out either bad seals or a stuck open control valve is to raise the 3 pt, close the knob for the drop rate speed adjustment and move the 3 pt lever to lower. If it still drops, then it's indeed the piston seals.
 
   / 3pt Lift bleeds done quickly-Kioti CS2410
  • Thread Starter
#3  
Thanks. I did do that test. Closed it still drops. Open it drops much faster.

Thank you
 
   / 3pt Lift bleeds done quickly-Kioti CS2410 #4  
Sounds as if rockshaft piston seal has failed or RS control valves aren't seating properly.
 
   / 3pt Lift bleeds done quickly-Kioti CS2410 #5  
Depending on how "deep" you have to disassemble it, I'd replace every O ring you can.
 

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