Why Does My Circular Saw Keep Stopping : You Need to know Everything

Have you ever hopped on the internet to ask why does my circular saw keeps stopping?

It is pretty frustrating to have a target and only for your reliable machine to stop working with all effort to fix proving abortive. It will help if you bet yourself over it as we can quickly tell you the reason for such and how to fix it.

Your circular saw can stop working for many reasons, and we will share with you some of the reasons below.

Why does my circular saw keep stopping?

Rough Saw Blades

The most common issue that you can easily detect with a circular saw is with the blade. If a blade works smoothly and stops working, you should check the blade to see the state or condition of the teeth. If the blade turns out to be edgeless or rough, it is clear that the blade will never work.

You can only get to enjoy your performance with a circular saw once the blade is smooth and sharp so, once the blade is blunt or has an issue, it can get stuck while cutting or stop working.

Free Bolts or Clutch

Just as said earlier, your blade can stop working for many reasons, and one of them is when any bolt or clutch that is not well tightened.  You should check the clutch of the saw to see if it is firm and ensure other bolts or nuts are tightened too. If not, you are likely to experience several malfunctioning with the machine.

Pinching of The Saw Blade

Sometimes, if your blade stops, It is not a case of any damages but a safety measure. Instead of kickback, some machine will stop. Your blade can stop work if you are pinching the blade. Once you experience such, you need to stop pressing harder on the blade.

Overloading The Saw

Some machine dares to handle any condition as they have the design to keep all situation under control. But for a circular saw that doesn’t have this feature, once overheating takes place, the machine is expected to malfunction.

Once the machine gets overloaded, it will not work because it requires certain pressure to cut through anything. So, the thermal switch will stop the blade from working once it overheats.

Motor Issues

One other reason your machine can stop working is when the motor gets faulty. The motor triggers the command that makes the engine work, and once it has an issue, it is never going to work.

Circular Saw Troubleshooting

If your circular saw ran into a problem, the next thing is for you to consider troubleshooting it. After you have done the necessary observation and checking, the following are ways to fix a stopping circular saw.

Try Changing The Blade

If your circular saw stops working because the blade is defective, you need to consider changing the blade. You should check the blade section and try and remove it while you replace it with a good one.

Changing the blade might not be as easy as you may think. Especially if it is your fir time, it can be hard to do. So, getting an expert to do the task is never a wrong choice or decision to make. You need to get everything right else, and you might affect the performance of the machine.

If you are changing the blade, you need to ensure you are replacing it with one of the same size or diameters.

Tightening The Nuts or Bolts

The reason for the malfunctioning might be as a result of a nut or bolt that is loose. Then the right thing for you is to do all it takes to tighten it up using a wrench. Once the blade is free in its compartment, it will never be as effective with cutting anything.

So, it would help if you tightened every bolt to ensure the blade is firm for the best performance.

Power Source

You should ensure you use a power source that will provide the right amount of voltage needed to power the circular saw’s motor without any spark or an electrical issue. Also, if you notice your circular saw stops when touched, it might be an indication that might have touched the power button or power cable.


In the quest to finish some tasks, one might get engrossed in the work all through the day and keep the machine running. It is normal for it to get hot due to overheating, which can indeed lead to poor performance from the blade. With this issue, you need to leave the machine for some hours to cool down before you continue with the work.

Faulty Motor Brass

If the motor brass of the circular saw is faulty, it will never operate at the level you want it to operate. It is the reason you need to change the brass with a quality replacement. Once you’ve replaced it, you can go on to enjoy a circular saw operating at its total capacity.

Grease Problem

One of the problems that the motor can encounter is operating with old grease. It is either the motor makes noise, or you get to see changes in the effectiveness of the saw. In this situation, you need to change the grease in the engine and add new grease.

Engine Oil Replacement

Sometimes, the machine goes off and will never come up once the engine oil is small and not up to the quantity required to power the device. Once the engine oil of your circular saw drops below normal, then you need to refill the oil before starting the circular saw.

How to change a blade on a circular saw

If the fault with your circular saw can be traced down to the blade and you need to change with a quality replacement, we have you covered. Below, we have the list of things you ought to do if you ever want to change the blade yourself.

Step one

You need to unplug the circular saw from the power source and ensure it is not working before you ever try to do anything with it.

Step two

You should press down the saw arbor lock button and try all you can to rotate the blade until the sense that the locking mechanism is moving.

Step three

There is an arbor nut holding the blade in place; you need to make use of a quality wrench to remove it. To loosen the blade, you need to turn the wrench in the blade cut direction for easy application.

Step four

Now you can remove the old blade after you must have retracted the saw upper blade guard.

Step five

Slide in the new blade right inside the saw arbor and do ensure that the teeth of the saw are facing the direction of rotation. Then pick your wrench again to tighten the arbor nut. Ensure the nut is firm to secure the blade.

Final Words

With our focus on this page on why does my circular saw keep stopping? We hope you already find out the reasons your circular saw stops working, and we have some of the things you need to do with troubleshooting and how you can change the blade yourself.