O-Ring broke on backhoe hydraulic arm: Kubota Review  -- Kubota Tractors Discussion Forum and Review O-Ring broke on backhoe hydraulic arm: Kubota Review -- Kubota Tractors Discussion Forum

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 05-30-2006, 01:08 Post: 130012
BX23Fan



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 O-Ring broke on backhoe hydraulic arm

My BX-23 has 120 hours on it. The other day while cleaning the backhoe, I noticed that a small o-ring on one of the hydraulic cylinder snapped and popped off. This cylinder is controlled by the right joystick while moving forward/backward -- not curl (left/right). The o-ring appears to be there to keep dirt and debris from entering the hydraulic cylinder as the arm is retracted. Should I be concerned and get this fixed (under warranty) or just ignore it? Seems like it serves a good purpose.






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 05-30-2006, 07:01 Post: 130016
kthompson



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 O-Ring broke on backhoe hydraulic arm

I think you have already asnwered your own question. Warranty and it is there to protect. Yep, get it fixed.

GD, GB






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 05-30-2006, 08:45 Post: 130025
DRankin



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 O-Ring broke on backhoe hydraulic arm

This has come up before.

If memory serves, that O ring is there to keep the paint out of the real seals during the manufacturing process and has no real use after that.

You will not see an O ring in that area on any other tractor.






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 06-02-2006, 23:22 Post: 130338
WillieH



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 O-Ring broke on backhoe hydraulic arm

You should see these o-rings on the loader cylinders as well.
As DRankin pointed out, these are used in the finishing process. The REAL seal, is actually what is called a wiper seal that is located behind the snap ring that you see where the rod enters the cylinder housing. That seal is the seal of concern, however, more protection of contaminants enetering is better than limited protection. It just requires the removal and disassembling of the "good" cylinder to change this o-ring...Under warranty or not, in my book it does not warrant the job.

- Willie H






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Discussion Boards > Active Subjects > Messages as Posted > Kubota Review Forum

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