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Lessons learned from dual disc setup

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70CB750:
Seems like I will be coming up with additional points for a while. 

Anyway, this one is about bleeders and brake lines.  The both holes on the caliper are the same with M10x1.25 thread (that would be fine M10).  The only difference is, that the bleeder hole has a pressed in steel seat for the bleeder to seal against.  Since I wanted to run the brake hose to the closer hole on both sides of the fork, I had to press the seat out.

To press the seat out:

- file a nail to fit in the caliper hole but bigger than the hole in the seat
- cut the nail short enough to fit in the piston cavity
- push the nail through the seat and secure it in a vice
- with rubber mallet tap on the caliper several times
- the seat should come out without much effort

An alternative would be to make a puller from thin bolt and nut, but this worked well enough for me.

Now you need to run a correct tap M10x1.25 carefully through both threads to clear out the accumulated gunk and you are ready to install brake lines in whichever hole suits you  better.  From my experience, the bleeder seals fine without the seat, but I also used silikon tape on threads of the bleeder.

MCRider:
Your method works well, I've done one like that. I had another that just wouldn't budge, so i went at it with a drill. Went up one bit size at a time. Withiin a few the seat came lose and pulled out with the drill bit. easy peezy.

70CB750:
Makes sense, thanks for the additional tip.

70CB750:


Thousand words, eh? :)

754:
 I stay away from banjos if I casn...use adaptor to -3 line..
 First time I pulled the wheel with dual disc, I tokk the adjusters and springs off 4ever...

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