Posted by Chuck(G) on January 19, 2003 at 15:36:07:
In Reply to: Rotary valve question posted by Rocky Bivens on January 19, 2003 at 12:48:00:
When was the last time you cleaned the horn out--snaked out the tubing and took apart the valves and cleaned them (or had that done for you)? It sounds like you've got a good gob of some kind of dirt in the works.