Posted by Chris Severance on June 20, 19100 at 12:08:53: via: pm045-18.dialip.mich.net or 198.109.192.29
In Reply to: JB Industries Vacuum Pump (need help!) posted by Sean on June 20, 19100 at 10:59:38:
The Haynes AC manual from Autozone has a few pages on vacuum pump operation that should give you a start.