Remove the master cylinder cap and open the bleeder before you push the piston in. As you push in the piston, some brake fluid will come out of the bleeder. Don't get it on anything, as it removes paint immediately. You probably won't need the c-clamp. When the piston is all the way in, close the bleeder. Install the pads and top up the reservoir. Makes life much easier. If done correctly, you won't need to bleed the brakes afterward.
