Recent content by CharlieNH

Thanks so much! Exactly what I needed to know before proceeding further.

Thank you so much for the detailed diagram and the suggested contact. I will follow up. Do you have any idea what that little metal cup is that I pulled out of the pump cylinder? Could it be some kind of retainer for the U-cup seal. If so, should there be some kind of tiny retaining ring in the...

Pump did not appear to be working on this old presumably Walker jack so I pulled out the pump piston and saw a loose part inside, like a small metal cup. Not sure what else is in there. The jack casting gives the capacity as 12 tons, the number J3, and the casting number 218132. Would anyone...