Posted by Paul Gramann on May 16, 2002 at 11:42:49:
In Reply to: 3+1 - function of the 4th valve clamp? posted by Kenneth Sloan on May 15, 2002 at 23:20:51:
The 4th valve sticks out, alone, with no protection. Lock it down and it's less exposed to whatever wants to damage it.
--paul;