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04-27-2011, 04:13 AM
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#1
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Newbie
Join Date: Apr 2011
Posts: 1
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hear humming but they're not working
you can hear the magnets humming, but the brakes are not applying themselves
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04-27-2011, 05:41 AM
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#2
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Learning by Doing
Join Date: Jan 2008
Location: Easton, Maryland
Posts: 3,156
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hear humming but they're not working
Classic!
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If I could only remember to THINK about what I was doing before I did it.
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04-27-2011, 07:33 AM
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#3
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Member
Join Date: Dec 2008
Location: Wilmington, DE
Posts: 3,097
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hear humming but they're not working
Not sure to what you are referring, trailer brakes, what???
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04-27-2011, 09:23 AM
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#4
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the Musigician
Join Date: Jul 2008
Location: I'm right here!
Posts: 10,404
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hear humming but they're not working
Quote:
Originally Posted by lunchbox
you can hear the magnets humming
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They forgot the words.
Quote:
Originally Posted by lunchbox
but the brakes are not applying themselves
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Don't you just hate lazy brakes?
But seriously, please do not post vague questions here. All we can do is speculate what you are talking about. Details people! Details!
DM
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to see some of my original magic tricks and trick boxes!
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04-27-2011, 12:34 PM
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#5
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Member
Join Date: Jan 2010
Location: Pennsylvania
Posts: 525
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hear humming but they're not working
If the magnets are a-hummin', don't come a-strummin'.
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04-27-2011, 12:35 PM
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#6
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Member
Join Date: Jan 2010
Location: Pennsylvania
Posts: 525
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hear humming but they're not working
F***ing magnets, how do they work?
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The Following 2 Users Say Thank You to operagost For This Useful Post:
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04-27-2011, 01:28 PM
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#7
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Member
Join Date: Jul 2010
Posts: 1,548
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hear humming but they're not working
It sounds to me like a screwdriver or two may have been involved in the proceess; maybe one of them stuck to the magnets.
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04-27-2011, 02:08 PM
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#8
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Licensed electrician
Join Date: Sep 2007
Location: Maryland
Posts: 5,984
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hear humming but they're not working
If you want the magnets to work while humming you needed to buy the multi-tasking model, not the economy ones.  . Or make sure they are happy.
__________________
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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04-27-2011, 02:10 PM
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#9
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Licensed Pro
Join Date: Mar 2007
Location: SC
Posts: 1,420
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hear humming but they're not working
Brakes require lyrics, humming alone will not work.
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"Life is hard. Life is harder when you're stupid." John Wayne
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04-27-2011, 02:34 PM
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#10
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Scared Electrician
Join Date: Nov 2009
Location: Colorado
Posts: 715
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hear humming but they're not working
this sounds like trailer brakes, at one time i knew a thing or two about them
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Ragged Trousered Philanthropist
Please follow the code - its there for your safety no matter how inconvenient.
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04-27-2011, 06:32 PM
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#11
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Member
Join Date: Jul 2010
Posts: 1,548
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hear humming but they're not working
Quote:
Originally Posted by Saturday Cowboy
this sounds like trailer brakes, at one time i knew a thing or two about them
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That was actually my first thought too, Cowboy, but you surely must agree that without some familiarity with them, it's a stretch. I thought by now we might have some more information, but in the absence of that, and assuming it is trailer brakes, OP, it sounds like you have power to them, so you're going to have to pull the wheels and take a look. If it has set for a while, you may be able to simply knock the cobwebs out, or you could have a seized actuator, etc., but no way to diagnose it without getting the drums out of the way. Once you get that far, they are really a pretty simle design; nothing that you should be wary of diagnosing.
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04-28-2011, 07:28 PM
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#12
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Scared Electrician
Join Date: Nov 2009
Location: Colorado
Posts: 715
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hear humming but they're not working
well if this is not a troll, then he/she might have better luck on a automotive forum. while some of us have had our run ins with them, we a by trade electricians.
__________________
Ragged Trousered Philanthropist
Please follow the code - its there for your safety no matter how inconvenient.
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