550 hitch bouncing

[yongwin]

any ideas will help
oliver 550 three point bouncing in place
lowering and lifting works good

 

[J. Schwiebert]

You have an internal leak. Could be the O-ring on the lift piston.

 

[yongwin]

(quoted from post at 03:56:03 06/30/18) You have an internal leak. Could be the O-ring on the lift piston.

o ok
thank you for reply
gonna try to check it out

 

[Lee Wegner]

I have tried all the o rings hasn't,t fixed anything yet I have two of them ,I am thinking the oil is leaking through the spool valve..

 

[J. Schwiebert]

There is a test for that with the unit off and in a small press.