Mon May 16, 2011 9:25 pm by Wizer
Hi, guys!
The letters SCD or SCB are short for Security Cylinder Drillprotected, and the same in Swedish. I think the model is 700-series?
Its kind of hard for me to explain the function of the trap pins, but I´ll try;
There is a pinstack with two pins and a spring parallel to the keyway for each of the trap pins. The actual trap pins rests on the shearlines of these additional stacks, and when the trap fires, you can not push the pin back into chamber because sring pushes a pin to the way.
When the lock is not fitted and you have no key stuck in the keyway you can pick the shearline open with a needle from the hole in the top, hold it open and then pick the trap pin through the keyway.
I had three opf these locks, one now traded, one fired its trap with a key in the lock, so I had to dremmell ity a little, and the third... I don´t know if I want to trade it.
-Wizer