Hi all.
I got a reply from Metabo service team which was very helpful.
I'm posting it here for future reference.
I got 2 pictures from them, nearly identical model (possibly slightly older generation)
The pictures show correct position of the swivel arm and its bearing in the saw guard.
More...
Hi all
I recently purchased KS216M version 19216380 and after several days of use a small piece of wood went under the blade guard.
Luckily there was no injuries but the fragment damaged the guard, along with COVER DUST COLLECTOR (35) and and the bearing (49) numbers as on the pictures attached...