Originally Posted by
gearbasher
I've read somewhere not to use any petroleum based lubes in/on pumps. I bought my Silca floor pump in the early 80s. I've used it at least once a week. I use Neatsfoot oil on the cup and I don't ever remember replacing it. I know I had to clean out the check valve once.
This! The check valve is, perhaps, one of the most neglected aspects of inflation. Grime and corrosion are the issues. Of course with Presta valves one has another check valve in the inflation system. Not so with SV. Andy