Lots of great guidance since I started this thread. It's running fine and staying in line (nice little bit of alliteration) now. The original problem was a combination of alignment and insufficient tensioning. I first addressed the alignment and took out some of the slack but the belt was...
Thanks for the feedback. I was very careful to insure that the flywheel axis was parallel to the motor pulley axis. I think my problem is probably insufficient tension. I tightened it some from the original position but probably not enough. The manual just said to properly tension the belt...
Thanks for the replies. Yeah, already looked into all of that. Everything is nice and clean, carefully aligned using a straightedge and burr free.
Steve
I found a Campbell Hausfeld VT619500AJ on CRAIGSLIST $400 last week. So far everything seems to be functioning properly except for one nagging issue. The drive belt won't stay centered on the flywheel. When I first got it home the belt was shifted one rib to the pump side of the flywheel...