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Grinder Repair

An angle grinder is a handy tool to have at your disposal if you are an avid DIYer. However, if it fails to work effectively, its value greatly diminishes. We are here to help you pinpoint the symptom and why it's happening, and how to diagnose it as quickly as possible.

Can't lock spindle to change grinding wheels
Reported 10% of the time
If you can't lock the spindle to change the grinding wheels on your grinder, you should check the wrench, spring, cap, shoulder pin, button, and more. Save yourself the hassle and cost of hiring a repair professional, and use our expert guide to complete the repair yourself. Reference your owner's manual for instructions based on your model.
Bad vibration
Reported 9% of the time
A grinder with bad vibration is difficult to handle. Take a look at the parts we have suggested as being the most common parts associated with bad vibration. These parts include the bearing, carbon brush, gear, flange, and disk. Once you have found the part you think is causing the issue, read our tips for how you can fix this yourself.
Excessive sparks from motor
Reported 8% of the time
Seeing sparks coming from the motor of your grinder is a concern, but fortunately, it is something you can fix on your own. We have made the process of diagnosing your power tool as easy as possible with a repair guide aimed to help you narrow down the part in question, and get it fixed in a timely fashion. Start by inspecting the carbon brush, armature, holder, and springs.
Grinding or squealing sound
Reported 6% of the time
If you hear a grinding or squealing sound coming from your grinder, chances are, a repair is needed. Begin by inspecting these common parts for damage: the gears, bearing, armature, carbon brush, and spindle. Take on the repair project yourself, and read our tips for the most efficient and accurate way to get your tool back up and running. Refer to your owner's manual for detailed instruction for your model.
Motor spins but grinding wheel doesn't
Reported 6% of the time
If the motor spins but the grinding wheel doesn't on your grinder, chances are that one of these parts will need to be replaced: the gears, flange, spindle, and coupler. Read our troubleshooting guide for tips on how you can fix this common issue yourself as quickly and easily as possible. Refer to your owner's manual for specific instructions for your model.
Grinding wheel wobbles
Reported 3% of the time
If your grinder's wheel wobbles, this can make the accuracy of your work difficult. This is something you will need to fix right away. Start by checking the flange, bearings, washers, gears, spindle, and grinding wheel. Use our guide to help you determine which part needs to be replaced and how you can fix it quickly. If you require specific instructions for your model, refer to your owner's manual.
Smoke from tool
Reported 3% of the time
Seeing smoke coming from your grinder is a sure sign that a repair is needed. Our experts have narrowed down the most common parts for causing this symptom to the carbon brushes, armature, field, power cord, and switch. Use our repair guide to help determine which one of these parts is the culprit, and how you can diagnose the problem as quickly as possible.
Motor gets hot
Reported 3% of the time
If the motor gets hot on your grinder, check the carbon brushes, bearings, armature, field, fan, holder, and gears. Our experts have put together a guide to help walk you through your own DIY repair, saving you on the time and money of having to hire help or replace the tool altogether. Start with narrowing down the part in need, and read further for how you can replace it quickly.
Trips the power source circuit breaker
Reported 2% of the time
Does your grinder trip the power source circuit breaker? This can be frustrating, but we are here to help. The likely parts that are causing the issue are the power cord, carbon brushes, switch, armature, field, and extension cord. Read our repair guide for tips on how you can fix your grinder yourself, saving you on time and money. Refer to your owner's manual for advice tailored to your model.

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"Like magic. I took a picture of the model number on my refrigerator, and the app identified it right away ... Very convenient. I'm impressed."
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7036 South High Tech Dr.
Midvale, UT 84047
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