Electric circular saws are invaluable tools in woodworking and construction, but a malfunctioning brake can quickly turn a handy tool into a safety hazard. If you find that your electric circular saw’s brake isn’t working as it should, don’t fret.
In this guide, we’ll walk you through a step-by-step process to identify the potential causes for electric circular saw brake not working and provide effective solutions.
Electric Circular Saw Brake Not Working (7 FIXES)
Check the Brushes:
Over time, the effectiveness of the brake can diminish due to worn-out brushes. These brushes play a crucial role in making good contact with the commutator.
If they’re too short or improperly seated, they need replacement. Motor brushes are usually inexpensive, and a quick replacement (usually under $20) might be all your saw needs to get back on track.
Clean the Commutator:
Before installing new brushes, ensure the commutator is free from dirt build-up.
Reversing the flow of electricity during braking can cause wear on the brushes and debris accumulation on the commutator.
Remove the motor housing and use 600-grit aluminum oxide sandpaper to clean the commutator.
Use a plastic scribe to clean between the commutator bars. Finish by cleaning with electrical contact cleaner and reinstalling.
Check the Switch:
If the brushes are not the culprit, a faulty switch could be the issue. Test the switch for continuity using a multimeter.
If it’s not functioning properly, a replacement is in order. Ensuring a reliable switch is essential for the overall performance of your circular saw.
Check the Fuse:
A blown-out fuse can also be a reason for brake failure. Inspect for any damaged fuses and replace them if necessary.
Fuses are relatively easy and inexpensive to replace, and overlooking them can lead to unnecessary complications.
Check the Blade:
A loose blade can interfere with the proper functioning of the brake. Ensure the blade is tightened securely to prevent any issues.
Regularly checking and maintaining the blade’s tightness is a good practice for the overall safety and efficiency of your circular saw.
Check the Positioning:
Incorrect blade positioning can also contribute to brake problems. Make sure the blade is properly aligned to avoid any hindrance in the braking mechanism.
Misalignment can lead to unexpected issues during operation.
Seek Professional Help:
If all else fails, it’s time to seek professional assistance. Take your saw to a reputable repair shop or contact the manufacturer for guidance.
Sometimes, complex issues require the expertise of professionals to ensure a thorough and safe repair.
Conclusion:
Maintaining a functional brake on your electric circular saw is crucial for both efficiency and safety. By following these troubleshooting steps, you can identify and address common issues that may be causing your brake to malfunction.
Remember, regular inspection and timely maintenance are key to keeping your circular saw in top-notch condition. If all else fails, don’t hesitate to seek the expertise of professionals to ensure the longevity and reliability of your tool.