Nothing Stops This Drill Press

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Forum topic by ChuckV posted 01-09-2010 07:11 PM 1040 views 0 times favorited 2 replies Add to Favorites Watch
View ChuckV's profile


3184 posts in 3768 days

01-09-2010 07:11 PM

Topic tags/keywords: drill press

This morning I was using my Delta model 17-950L drill press. I went through several on-off cycles with no problem. Then one time that I turned the switch to the off position, the drill kept running. I have a spare Rockler switch that I just ran the power cord through to continue working.

It is too cold in my unheated shop to fiddle around with the switch right now. I am wondering if the cold could be a factor in the switch problem. The low temperature last night was 14F and it is now a balmy 19F. When I flip the switch to the off position, it does not seem to click in the same way that I am used to.


-- “Big man, pig man, ha ha, charade you are.” ― R. Waters

2 replies so far

View PurpLev's profile


8548 posts in 3889 days

#1 posted 01-09-2010 08:29 PM

my first thought would be to check for dust/chips in the switch. something might be blocking it from engaging.

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

View MarkwithaK's profile


370 posts in 3419 days

#2 posted 01-09-2010 11:50 PM

Although a stretch, any moisture inside the switch housing could have frozen either causing the switch to stick or simply shorting across the contacts.

-- If at first you don't succeed then maybe skydiving isn't for you.

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