Help Listees

About an hour ago, I tried to get the propane tank filled at Sabo RV
dealers in Columbus, OH. They said "we do not fill those things."
Then I went to Jerry Greer RV in Sunbury, OH - They do not fill propane
on Saturdays.
Then I went to Post RV in Columbus, OH, and after much discussion on how
much he hated to fill those things, the man reluctantly tried to fill
it.  He hooked up the hose to the filler pipe started filling it and the
auto-stop shut off after 1/10 of a gallon.  I asked him if he opened the
bleeder valve. He responded that he knew what he was doing, and that
these things did not have a bleeder valve.  I showed him where it was
and he opened it, and it let out propane until he put on his rubber
gloves and closed it. -- He said it was full, and no charge.
After driving the Westy home, I opened the bleeder valve myself and it
is still letting propane out. -- Is this normal?  Is it overfilled?
Have I got a problem?
Thanks for any help.

Ralph Geho
Westerville, OH