When the refrigerator is uneven or shaking, how to adjust the bottom foot of the refrigerator correctly?

The refrigerator that just bought often can appear put unsteady situation, appear this kind of circumstance needs to press and hold the opposite Angle of refrigerator top, vertical downward force, shake, check whether the front two support bottom foot clings to the ground; The rear two supports are wheels, no adjustment required. Turn the foot up clockwise and turn it down counterclockwise to make the front of the refrigerator slightly higher than the back. After adjustment, check again whether the refrigerator is placed smoothly.