Go BottomO-Ring broke on backhoe hydraulic arm
 | BX23Fan
Join Date: May 2005 Posts: 25 Snohomish, WA 
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2006-05-30 130012
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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 | kthompson
Join Date: Oct 2005 Posts: 5275 South Carolina 
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2006-05-30 130016
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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 | DRankin
Join Date: Jan 2000 Posts: 5116 Northern Nevada
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2006-05-30 130025
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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 | WillieH
Join Date: Feb 2003 Posts: 543 New England 
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2006-06-02 130338
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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