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String trimmer head won't stop spinning

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Common solutions for: String trimmer head won't stop spinning
Solution 1:
The clutch engages the clutch pads to spin the trimmer head. If the clutch assembly is defective, the clutch will not disengage the clutch pads, and the trimmer head will continue to spin, even at low... speeds. If the clutch is defective, replace it. (Note: some string trimmers do not have a clutch. If your string trimmer does not have a clutch, the trimmer head will spin whenever the engine is running.)
Required Part
String Trimmer Clutch
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