Lubricator

[Henner Meinhold]

Hi,
on our donkeys we need to install (displacement) lubricators. The only
place available is  the vertical pipe coming down to the throttle. All
lubricator designs I have seen so far work with a  horizontal pipe. The
dead-leg lubricator can probably be hooked up to a vertical pipe, but this
device is a mystery to me... Any brillant ideas on how to solve our
problem?
And one more question: Empty butane cans (the Korean grocery store variety)
begin to pile up in my garage. Is there a "political correct" way to get
rid of them ?
Regards
Henner