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Have you ever gotten one bad?
Hey Gearman, Are you sure the piston is returning all the way back to the rest position to pick up more fluid? My $.02 Paul B
No check valve, One piston, two seals one spring. Oneof the seals in backwards or torn. Sounds like Dusty sez...you got a bad one. Paul B
But it never gets rid of the air completely in the tube.
It's dead Jim . Dusty
Just mostly dead Paul B