Bleeding Hyd System: Kubota Review  -- Kubota Tractors Discussion Forum and Review Bleeding Hyd System: Kubota Review -- Kubota Tractors Discussion Forum

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 12-23-2006, 12:32 Post: 138299
RRagent



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 Bleeding Hyd System

I blew seal on joy stick to bucket, Remove control valve and took to dealer to order kit and repair under warrenty.
After I Install the valve how do I bleed the system?
Thanks for acvise






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 12-23-2006, 14:09 Post: 138302
hardwood

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 Bleeding Hyd System

Rragent; Check the fluid level before you bleed it and if is close to full just start the engine and cycle the bucket circut a few times till it gets over being kinda noisy and jerky. Then refill the to the dipstick level. Frank.






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 12-24-2006, 09:29 Post: 138322
earthwrks

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 Bleeding Hyd System

I have to wonder if it's really necessary to bleed the system. The loader valve is likely higher up than most or all of the other components so wouldn't fluid loss be minimal? From my experience from changing a cylinder for example, excess air can be bled off at the cylinder by cracking open the fittings at the cylinder and cycling carefully sort of like bleeding a car's brake system. Most times the remaining air will work its way past the piston seals and go back to the reservoir (this may take several or many cycles).






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 12-24-2006, 10:42 Post: 138324
hardwood

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 Bleeding Hyd System

Rragent; When you remeved the valve to have it repaired did you disconnect the quick couplers that the loader plugs into before you took anything apart? If so then you haven't lost any fluid in the lines from the couplers to the cylinders, so no need to bleed anything there, and the lines from the female couplers to the valve would hold very little fluid so not much air would be involved in the first place. In a worst case bleed it like EW said, but I really doubt you lost enough to make bleeding necesary, just start it up and cycle the bucket a few times if the air don't work it's way out you can still bleed it later. Frank.






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 12-24-2006, 16:08 Post: 138330
RRagent



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 Bleeding Hyd System

I did remove the quick disconnects first, and I thank all of you for the info.






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