the clamp back in the lower left corner (step 12). the front axle is now finished.
let’s put back the back axle. this is the most difficult part to do, or maybe only to explain ?
slide the axle from the east to the west trough the lens unit, then under the clamp in the upper left corner (step 13). the axle will now hit a metal bracket, lift it gentle up so it can pass it (step 14). sliding the axle further to the west it will meet a screw, lift it gently up again (step 15) to get it over. almost finished.
before we continue its important that the laser unit 