TM4000X51B Murray Edger - Overview

This centerlock nut, or lock nut, is sold individually and locks itself in place when inserted, to prevent it from backing out due to vibration. Over time, due to its strenueous job, it may become loose or break due to wear and tear, and will need to be replaced. This lock nut is made of metal and is silver in color. When it will no longe...Read morer lock, you will need to complete this easy repair, which requires a wrench or socket and torque wrench. Ensure you torque the lock nut to your manufacturer specifications; this nut can have a range of different applications for a variety of equipment, so please check your model number or owners manual to be sure it is the right fit for your model.

This centerlock nut, also known as a flange nut or hex nut flange is a manufacturer approved replacement part. It is 5/8 of an inch with 18 threads per inch. The nut is designed to secure the bolt or screw it is positioned on and prevent it from loosening during use. It has a series of ridges on the inside that allow it to grip the thread...Read mores of the bolt or screw and a flange at its base to provide a larger surface area to clamp on. Over time the lock nut may break or become stripped. Inspect all the centerlock nuts on your equipment as you may need to order more than one for your repair. To install a new nut, use your hands to thread it on and use a pair of pliers or a wrench to tighten it until it is securely held. Be careful not to overtighten the nut as this can deform the nut and wear down the threads that keep it secure. If you experience difficulties removing or tightening the nuts, use a centerlock nut tool or a cassette lockring tool instead. Note that this nut is sold individually.

Set screw

This is an authentic Murray replacement part that has been sourced from the original manufacturer to be used with trimmers, edgers, and lawnmowers. The flanged hex head screw is used with several different types of machines and the application of the screw can vary based on the model of the equipment. This item is sold individually, please see your model's illustrated diagram for the screw's location and usage.