This is just me spitballing but are you pulling from the right hose (the return line to the reservoir)? There may be a check valve preventing you from pulling in the wrong direction. Again, just spit… (View Post)
I’m starting to wonder if the use of the shop vac damaged the check valve. If it was overheating the vacuum then I assume a lot of pressure was applied. (View Post)
The valve appears to be fairly easy to replace. At first glance it appears to be mounted in place by a clamp and screws but it actually pops right out of its holder for easy manipulation. The push co… (View Post)
@pthomas745 Thanks for the link! It sounds like a worm gear hose clamp would be preferred which is something I can handle. Just need to find the right diameter. (View Post)