I did my homework on this girls:
full blown cleaning, inside and out
had to fabricate a calibrated block ( 14.2 mm) to set the J tube for proper distance
from
http://prela.ch/shop/shop.htmlNew foot valves
new lead gaskets
new NRV valve seal
new leather in pump
new preheater valve seals
ordered a couple of pump leather spreaders from and they work really good. now It pumps to limits on 50/80 strokes instead of 120 or more.
new filler cap gaskets
the Hipolito had a serious problem with the preheater, the tip is oversized and deformed, the body of the "trigger"it is bent and will not center on the gas tip,tried to fix it unsuccessfully, so I ordered a new one from
http://hytta.de/petromax/index.htmNew mantles from
http://www.oldcolemanparts.com/home.phpI am burning kero almost daily...has not been cheap, but all the parts for two lanterns ( including the lanterns) are still half the cost of what I would have paid for a single one have I had bought them on the evil bay.