On 25/02/18 00:07, Emanuel Berg wrote:
Here are a couple of pics to facilitate the
discussion:

http://user.it.uu.se/~embe8573/bike/brake/

I've heard that

1) the long spring pin should be in the
middle boss hole

2) the pads/shoes/blocks should be slightly
pointing inward on the rim on the front
end

3) the arms should be vertical

4) between the cable anchor bolt/cable
clamp and the noodle/guide should be
39mm of cable

Is there a trick/algorithm to achieve all this?
I have put together several but 1, 2, 3 don't
come automatically for me


All a matter of taste. I used to use the top boss hole, I liked a bit
of toe-in so as per 2, 3) they always seemed to be about that. 4 is a
bit of a mystery. I just threaded the inner and cut with cable cutters
leave about 5cm 'spare'.