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Table Saw: Why does my table saw's blade spin too slow?
Worn motor brushes, a faulty drive motor or using an improper extension cord can cause slow motor speed on a table saw.
Using a long or lightweight extension cord causes a power drop, which decreases motor speed and results in the blade spinning too slow. For a 120-volt table saw plugged into an outlet protected by a 15-amp circuit breaker, extension cord length typically shouldn't exceed 25 feet. Use a shorter or heavy duty extension cord that can handle the current draw of the table saw so the motor spins at the right speed.
Worn carbon motor brushes can prevent the drive motor from running at full speed, so inspect the motor brushes. Replace the motor brushes if they're worn.
If the motor brushes are okay, then an internal motor failure may prevent the motor from spinning the blade at full speed. The motor typically overheats when it has an internal failure. Replace the motor if it overheats and doesn't spin the blade at full speed.
THESE REPAIRS MAY HELP SOLVE YOUR TABLE SAW PROBLEM

Replace the table saw carbon motor brushes
The spring-loaded motor brushes on the table saw mount against the rotating armature, transferring power to the armature. The motor brushes wear down after about 50 hours of run time. Replace the carbon brushes regularly to keep the motor running smoothly.
Table saw carbon motor brushes
Find the required part specific to your product.

How to replace a table saw motor brush set
If your table saw motor is weak or won't run at all, the motor brushes could be worn. This repair guide and video show how to replace table saw motor brushes.
Repair difficulty
Time required
45 minutes or less

Replace the table saw drive motor
The table saw blade mounts directly to the drive motor arbor to spin the saw blade for cutting wood. A defective drive motor won't start or it trips the overload. Replace the drive motor if it's defective or worn out.
Table saw drive motor
Find the required part specific to your product.

How to replace a table saw drive motor
If your table saw motor won't start, the motor might be worn. This repair guide and video show how to replace a table saw drive motor.
Repair difficulty
Time required
45 minutes or less
Symptoms for table saws
Choose a symptom to see related table saw repairs.
Main causes: worn motor brushes, faulty drive motor, using an improper extension cord…
Main causes: lack of power, broken on/off switch, bad motor overload, broken power cord, bad drive motor…
Main causes: saw dust build up, blade elevating and tilting mechanisms need lubrication…
Main causes: blade alignment needs adjustment, worn blade, bevel positive stops need adjustments, bevel pointer needs ad…
Main causes: worn motor brushes, bad drive motor, faulty overload switch, using an improper extension cord, binding saw …
Main causes: dirty saw blade, dull or damaged saw blade, blade alignment needs adjustment…
Repair guides for table saws
These step-by-step repair guides will help you safely fix what’s broken on your table saw.

How to adjust a table saw blade
If the table saw isn’t cutting parallel to the miter gauge groove, adjust the cutting blade following the instructions i…
Repair difficulty
Time required
30 minutes or less

How to replace a table saw drive motor
You can replace a table saw drive motor that is weak or won't run. Here’s how.…
Repair difficulty
Time required
45 minutes or less

How to replace a table saw blade
If the table saw blade is dull or damaged, use these simple steps to replace it.…
Repair difficulty
Time required
15 minutes or less
Articles and videos for table saws
Use the advice and tips in these articles to get the most out of your table saw.

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…