Posted by Chuck on April 06, 1999 at 16:56:54:
In Reply to: Rotary Valve Maintenance posted by Howard on April 06, 1999 at 15:35:42:
Try one of those small sheets of rubberized cloth that are sold as jar lid removers; you can get a much better grip on the cap. Sometimes they're given away as promotional items by banks, insureance agencies, etc.