Simple solution, I always put the Oring on before I wick. then once wicked I press the glass straight down onto the oring until its fully seated and then screw in the topcap and chimney. this way the wick ends are NOT disturbed during assembly.Two questions. Can you show us the wick/tucked deck without the cap?
Also, some folks have reported wicking gaps in the channels after putting the oring on. When you put the glass and oring on all at once, it can pull the wick and displace it creating a gap.
Works great on both the MT and the MuTank.