Really did not want to have to post this now given the recent Kapex problem threads but it's something i have not been able to figure on my own. I have purposely avoided commenting on the Kapex lifespan thread despite some worry it has caused me as I will wait to see what Phil comes back with - Plus my current issue is not related to the motor 
For the record i have had my Kapex about 4-5 months and its had minimal use. i am a hobbyist/DIY user who evidently has more money that sense at times hence the massive Festool collection (with some Fein, Mirka and Bosch blue thrown in).
When i use the bevel adjustment knob thats on the front of the rail to try and dial in an angle i find that the saw head slips off where i had adjusted it to when i let go of the adjustment knob and move to lock it up at the back. I am not knocking it and have even tested just adjusting it and letting it go and watching and can see it move under its own weight. I can try and post a video later if anyone feels it will be helpful.
Now in my head i think it should be nothing more than tightening something up that applies some additional resistance to the bevel mechanism but i have no idea how to do this or if i even can...? does it need to go back to festool?
thanks in advance
Pete

For the record i have had my Kapex about 4-5 months and its had minimal use. i am a hobbyist/DIY user who evidently has more money that sense at times hence the massive Festool collection (with some Fein, Mirka and Bosch blue thrown in).
When i use the bevel adjustment knob thats on the front of the rail to try and dial in an angle i find that the saw head slips off where i had adjusted it to when i let go of the adjustment knob and move to lock it up at the back. I am not knocking it and have even tested just adjusting it and letting it go and watching and can see it move under its own weight. I can try and post a video later if anyone feels it will be helpful.
Now in my head i think it should be nothing more than tightening something up that applies some additional resistance to the bevel mechanism but i have no idea how to do this or if i even can...? does it need to go back to festool?
thanks in advance
Pete