[Oak]

Dave, I have rebuilt one and it works great.

Here is the link.
https://www.onlycubcadets.net/forum/...ad.php?t=50629

The repair manual.
https://www.parker.com/literature/27...%20service.pdf

Seal kit.
https://www.messicks.com/part/21-sk000011/sealkit

Spring kit.
https://www.messicks.com/part/21-401443x1/spring-a

I'm due to give you a call anyhow.