Name and Function of Each Part Fabric tension adjustment panel ML-32000-180 ML-32000-340 / ML-16000-180 26 No. Name Description 1 Feeding unit tension switch Use this switch to enable/disable the tension. OFF: Disable ON: Enable 2 Tension adjustment dial Adjusts the tension applied to the fabric. Raise the tension if wrinkles still occur in the fabric. Turn to right: Raises the tension. Turn to left: Lowers the tension.