see docs
and good luck you are not a lucky man I and others have ordered tons of those pumps and they are... normally bolted (2) together..
I always touch the spring ends with crazy glue to sit them on their respective nipples and to hold the mushrooms in place while I stack the parts together. line up the bump on the edge
the orientation of the check valves is mind boggling at first till your brain settles in . whatever you do the end result is air flowing IN to OUT but never OUT to IN
no offense ... read 2 times and ... one more time before you start
and good luck you are not a lucky man I and others have ordered tons of those pumps and they are... normally bolted (2) together..
I always touch the spring ends with crazy glue to sit them on their respective nipples and to hold the mushrooms in place while I stack the parts together. line up the bump on the edge
the orientation of the check valves is mind boggling at first till your brain settles in . whatever you do the end result is air flowing IN to OUT but never OUT to IN
no offense ... read 2 times and ... one more time before you start