Re: Compound power miter saw brake broke

On 9/26/16 6:43 PM, krw wrote:

Momentary or constant? if momentary I assume there is a relay or capacitor in the trigger that applies the voltage.

Almost all of these work with the motor turned into a generator when the trigger switch is 'off' (effectively shorting the motor). The most common fault, by far, is the trigger switch has succumbed to dust intrusion (easily fixed with a blast of compressed air). Sometimes the brushes get worn to the point that they no longer seat properly and cause the same braking problems.

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