hey guys, changed all 4 rotors with dad last week, handbrake become awefully loose with new rotors so i went to adjust the handbrake today, took off the wheel, that little rubber cap then i was looking for the so-called gear that i read in a tutorial, found what looked to be a screw so i figured it must be it, moved it afew mm and it apears to have been on a spring and jumped right out of its socket, can anyone give me some insight into wtf i've just done and how i can fix it panicing atm!!!