How To Repair Your Bench Grinder

Won't turn on

Reported 51% of the time

If your bench grinder won't turn on, check the following parts: the capacitor, switch, cord, and motor. Use our troubleshooting guide to help determine which part is causing the issue. In most cases this can be a quick and easy fix. Check your owner's manual for complete detailed instructions for your particular model.

Bad vibration

Reported 23% of the time

A bench grinder is an excellent tool used for a wide range of projects. Over time it can begin to vibrate and shake excessively, which can make it hard to control. Check the flange, shaft, grinding wheel, adapter, and bearings. With some investigative work and our helpful guide written by experts, you can have it back up and running in no time.

Smoke from tool

Reported 8% of the time

If you notice smoke coming from your bench grinder check these parts first: the capacitor, switch, stator, and grinding wheel. Use our list of parts and solutions to fix your bench grinder yourself. Always refer to your owner's manual for detailed instructions.

Grinding wheel wobbles

Reported 6% of the time

Wobbly wheels on your bench grinder is a common problem and can present dangers. If this is the case, check these parts: the collar, grinding wheel, shaft, and shaft nut. Before sourcing outside help, use our troubleshooting guide to help you complete your own DIY repair - It might be easier than you think. Always reference your owner's manual for instructions specifically tailored to your model.

Grinding or squealing sound

Reported 5% of the time

Hearing a loud grinding or squealing sound coming from your bench grinder can be concerning, but it is actually a common problem that you can fix yourself. Check out our troubleshooting guide for the most common parts associated with a squealing sound. Be sure to check your owner's manual for details relating to your specific model.

Grinding wheel slips

Reported 4% of the time

If you notice your grinding wheel is slipping, check these parts first: the collar, spindles, adapter, nut, and grinding wheel. Use our troubleshooting guide to determine the part that could be causing the issue. Always check your owner's manual for more detailed instructions unique to your model.

Motor gets hot

Reported 1% of the time

A bench grinder will get quite warm, however, if it gets too hot, it may overheat. If your motor gets too hot while in use, check the following parts: the bearings, extension cord, motor, and grinding wheel. This is a common problem, and we have listed the most likely solutions below. This is a general guide. For more specific instructions relating to your model, please refer to your owner's manual.

Trips the power source circuit breaker

Reported 1% of the time

If your circuit breaker keeps tripping that means it is actually doing its job. They are designed to trip when a fault is detected that could cause an electrical hazard. Use our troubleshooting guide to determine the cause of the circuit trip. Our experts have provided solutions and tips on completing your own diagnoses and repair. Always check your owner's manual for instructions relating to your specific model. This is a general guide only.