BT720R (41AJBT-C954) MTD Lawn Mower - Overview

This genuine bump head knob assembly, sometimes known simply as the bump head, is black and approximately 2 inches long. Sold individually, this plastic part releases the cutting line. Over time, this part may break due to wear, and you will know it is broken because it will completely stop functioning. A troubleshooting tip is to tap t...Read morehe part on theg round to see if the cutting line advances. This is an easy repair to make, and does not require any tools. You will need to look for the bump head attachment point on the bottom of the cutting head assembly.

It is a genuine item that is supplied by the original manufacturer for use with lawn and garden equipment. This washer-clutch is a special friction disk that helps to engage the clutch by ensuring a right fit between connected components. It provides an identical replacement for a damaged or a missing hardware that was installed on a new ...Read moreunit. Check the diagrams for your model for the exact location and the correct installation of this part. One durable metal washer-clutch is included. You may need a screwdriver and a wrench set to perform this repair.