Jan 14, 2016 · Set the top of the Fixed jaw to the 150 or 100mm position. Set the bottom of the Swing Jaw to a setting of 20 to 25mm (measure the opening with the flywheel “at rest”). Set the bottom of the Swing Jaw to the lowest position so that it moves back and forth as well as up and down. Crush a quantity of stone and screen or sieve the output