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Hedge Trimmer Conked Put.
My neighbour has an old Black and Decker hedge trimmer which stopped working. The on-off switch has a finger trigger and a thumb button to keep it at it. The two triggers didn't work properly and I managed to adjust the mechanical link between the two, but despite that the power didn't operate. There is a capacitor inside the handle, and I am now thinking that there is either a faulty switch or a capacitor failure. Can a failed capacitor prevent a start-up or is it more likely to be a switch problem?
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For more on marking an answer as the "Best Answer", please visit our FAQ.The capacitor is present to reduce voltage spikes on the mains (wired live to neutral).
If the capacitor is short circuit, it will cause the plug fuse to operate, and if open circuit will not prevent mains spikes as intended – but will otherwise have no effect. Therefore it is likely to be a switch issue.
If you have access to a multimeter you could check out the switch operation – everyone should own such a device, these days £10 will buy a fairly decent instrument.
I have one of these, although fairly basic it does most of what I want in terms of measuring voltage, current, continuity etc. I also have a more expensive model with extended ranges etc if needed.
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