Reply by PurpLev

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Posted on Dewalt Drill

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8534 posts in 3616 days

#1 posted 12-29-2011 06:39 PM


chucks don’t like liquid based lubricants or WD40 unless you are using it to clean it and then completely dry (as in take off the jaws and really fully dry it) – what might happen is that then dust, debris, sawdust, chips and the likes will get caught in the liquid/paste/grease and will jam the chuck even further to the point it can ruin it.

there is graphite lubricant for chucks that is in dry form for this purpose.

most likely something is stuck in there or it has started to rust, or is simply dirty (just thinking of the possibilities), see if you can fully open it, and clean it with some brushes – see if you can see any debris or anything else stuck in there and try to lube it with graphite.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

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