Quote:
Originally Posted by EricH
If this weren't a cordless drill, I'd agree. However, the modern cordless drills can be hand tightened, but no farther, due to inexplicably not having keyed chucks. Hand tight usually isn't good enough when drilling. Modern hand drill chucks are meant to be tightened with a little power, carefully applied.
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Just because it's common doesn't mean it's right or safe. From the Dewalt DC940 users manual (which is a modern cordless drill):
Quote:
WARNING: Do not attempt to tighten drill bits (or any other accessory) by gripping the front
part of the chuck and turning the tool on. Damage to the chuck and personal injury may result.
Always lock off trigger switch when changing accessories.
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Mentors: Don't give up folks, your efforts are not in vain. The kids get something out of it whether we get acknowledgment or not. - Swampdude [more] 
20-02-2009, 12:54
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