Posted by Joer on December 24, 2000 at 11:33:12:
In Reply to: Problems with rotary valves posted by Tracy Bedgood on December 23, 2000 at 19:16:32:
If it is new, it shouldn't be noisy - even it it is fairly dry.
If it us old, you probably need to dump something approximating the consistency of household oil on the upper and lower end bearings of the rotors.