Hammer Drill Repair
Hammer drills have to drill through some very rugged substances, and there are numerous issues that can come up that can impact the speed of your work and cause it to break down completely. Our expert technicians have compiled the most common symptoms associated with the malfunction of the hammer drill, and have listed the corresponding parts that could be causing the problem. Use our repair guides to fix your tool on your own, saving you time and money.
Won't turn on
Reported 35% of the time
If your hammer drill won't turn on, check the carbon brushes, switch, power cord, holder, armature, and field. If you notice any signs of damage or wear and tear on any of these parts, read the corresponding repair advice for how to fix it. Refer to your owner's manual for detailed instructions for your model.
Chuck slips
Reported 16% of the time
Does the chuck slip in your hammer drill? The most likely parts that are causing this issue are the drill chuck, key, drill bit, and chuck jaw. Follow our repair advice created by professional technicians, and have you hammer drill back up and running. Check your owner's manual for advice tailored to your model.
Excessive sparks from motor
Reported 8% of the time
Excessive sparks coming from the motor of your hammer drill may be alarming, but it is something that you can fix on your own, with some help from us. Check these parts for signs of damage: carbon brushes, holder, armature, field, and springs. Once you determine the part that is causing the problem, follow our expert repair advice for easy to follow in structions on completing a DIY repair.
Smoke from tool
Reported 8% of the time
Seeing smoke coming from your hammer drill may feel concerning, but it is actually something you can fix yourself, with some help from us. First inspect the armature, carbon brushes, holder, switch, field, and housing. Once you have determined which part the problem is stemming from, read our repair advice for instructions on how to fix your hammer drill. Refer to your owner's manual for specific information on your model.
Hammer drill mode is weak or drills too slow
Reported 7% of the time
If your hammer drill mode is weak or drills too slow, check out the following parts: the carbon brushes, switch, grease, and selector switch. Make the repair yourself by following our repair guide. Your hammer drill will be working at peak performance again in no time. Refer to your owner's manual for detailed instructions on your model.
Drill spins but chuck doesn't
Reported 5% of the time
Does the drill spin but the chuck doesn't on your hammer drill? This is a common symptom that can be fixed yourself. First, check these parts that are commonly associated with this issue: the drill chuck, gears, knobs, spindle, transmission, and gear case. Now that you know the part that needs to be fixed, read our repair instructions for how to fix it yourself. Reference your owner's manual for advice tailored to your model.
Bad vibration
Reported 4% of the time
When a hammer drill has bad vibration it can make the accuracy of your work difficult. In many cases, the parts that cause this issue are the carbon brush, handle, housing, bearings, gears, and spindle. Once you have located the part that is causing the problem, read on for expert repair advice and instructions on fixing your tool yourself. Refer to your owner's manual for tips specific to your model.
Grinding or squealing sound
Reported 3% of the time
If your hammer drill is making a grinding or squealing sound, check the carbon brushes, bearings, armature, and gears. Once you have located the part that is causing the problem, read our repair guide for tips on fixing your hammer drill yourself. It might actually be a lot easier then you think. Reference your owner's manual for instructions relating to your model.
