This video is for those who can do this but worry about losing N time. I was lost because they shaft kept moving. All I had to do is to hold the shaft as N does rotate, but when you hold it w hand, it stops. gonna put this up anyway.
and for the big case to go over the lower part of the small case and gears, the little 2 bolt plate, you add little silicone (to lightly coat the surface 2cm diameter) screw in the top bolt slightly loose, installing the top case, reach with small screw deiver between the 2" crack and move the lower loose part of the plate to clear the gears, then bring it back to bolt the 2nd lower one and shut the case close torq to 12nm. some silicone on treads a must.
the ...