Loosen the lock nut and turn the adjusting screw one full turn clockwise.
Slowly turn the adjusting screw counterclockwise until resistance is felt, then turn the adjusting screw 1/4 turn clockwise. Hold the adjusting screw and tighten the lock nut.
Slowly turn the adjusting screw counterclockwise until resistance is felt, then turn the adjusting screw 1/4 turn clockwise. Hold the adjusting screw and tighten the lock nut.