Par4QC the 6 ton, no longer goes up. I can pump the handle and the ram stays down. I'll do a drain, check for any check balls, and see what I can see. The top has what looks to be a slot for a very large divided flathead screw driver.
My big 20t jack works well. Last I tried it, it did leak down. So I'm thinking it needs to have check balls polished/ checked. I'll probably drain/ refill that one as well. That will happen after I have 2 working jacks. Either a new jack, or a repaired 6t, the 2nd one being the 20t.
Playing with the 6t jack will have to happen later this week, or next week.
Kinda been YouTube rabbit hole on jacks as golf plays on my TV.
YouTube golf , as I YouTube jack repair on my phone...