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Thread: Dremel not working
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15th May 2016, 10:20 AM #1.
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Dremel not working
My Dremel is about 5 years old and has had "light use" during that time.
About a year ago it started playing up, stop and start intermittently, would not start without winding the chuck by hand but eventually that did not work either.
The RPM indicator was flashing at slowest speed and if I held the "+" button down it would eventually get going if the RPM indicator managed eventually to get to 10-12.
Now it does not work at all and the speed indicator does not show anything when switched on
I have changed the brushes without luck.
I wonder if anyone else has experienced this and what they might have been able to do about it, before I take it apart and try to find out what is going on?
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15th May 2016 10:20 AM # ADSGoogle Adsense Advertisement
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15th May 2016, 11:39 AM #2Ring Master
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It may be jammed with fine dust - had a similar problem with an exhaust fan in our en-suite. It was caked with talcum powder. Use a leaf blower to spin the fan blades and exit the powder. the sprayed WD40 all over the armature. turned on the exhaust fan, hit it with the leaf blower and its still working as good as new many years later. The exhaust fan was installed when I built the house in 1976
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15th May 2016, 01:39 PM #3.
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Hello Ned,
Thanks for the response.
It does not appear to be jammed because it spins quite freely by hand but I will try that anyway.
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15th May 2016, 04:10 PM #4China
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Speed controller is faulty, mate in lighting ridge had a similar problem replaced a small circuit board and all is well
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15th May 2016, 11:38 PM #5.
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15th May 2016, 11:44 PM #6China
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Probably not if you can find some one who good at electronics they can most likely determine which component has failed and just replace that
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16th May 2016, 12:10 AM #7Senior Member
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I had the old style one that was pretty much faulty from new, also tried new brushes with no luck.
It turned out to be a bad connection on the stator, they little connectors on mine pretty loose. I had no option but to solder it which didn't seem to last all that long. I bought a 4000 to replace it but I don't really like it so I'm going to try to find another brand and give that a go.
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16th May 2016, 12:22 AM #8.
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I'd have a crack at it myself but most of the components on the board are gooped to the board or to each other with what looks like black epoxy.
I am almost resigned to getting another but this is what gives me the pips.
I just need the tool, I got the kit with all the accessories last time, most of which I never use. Plus SWMBO has a kit with most of the same stuff in it.
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16th May 2016, 05:00 PM #9China
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Is it some thing you use all the time, you may want to consider upgrading to something of a professional nature such as this
Series SR CE Motor with Foot Control in plastic housing twice the price of a Dremel but will out last 100 of them.
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16th May 2016, 06:10 PM #10.
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I've looked at those sorts of units (especially the bigger 1/3rd HP ones) but I'm barely enough of Dremel user so I can't really justify $365 + hand piece, for something like that.
The other thing is the heap of Dremel accessories that I already have and do use occasionally - I'd hate to chuck all these out and start again.
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16th May 2016, 10:51 PM #11China
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If you only use off and on a bit costly, just so you know the Foredom H-30 hand piece will accept Dremel accessories
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17th May 2016, 11:53 AM #12
The old potted circuit trick. Don't you hate that? Probably done to reduce the effect on the circuit of vibration but sometimes done so that you cannot repair it and make you buy a new one. Most likely the former in this case though. (Some smarty pants mfgs. sand the markings off the chips which is really "dog in the manger".
John
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17th May 2016, 02:27 PM #13
Foredom is the way to go. I have a Dremel and haven't touched it since I started using the Foredom tool. Versatile and powerful for a small electric tool. 1/4" chucks allow the use of die grinder bits.
Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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18th May 2016, 09:34 PM #14.
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Was in at my local Bunnings buying some bits and pieces and happened to wander past the power tools and just have a look at the Dremels.
In behind the latest display models and accessories was a 4000 series Dremel that had obviously been a demo model as it had the usual zip tie lock downs on the trigger etc but it had no price tag.
I knew that Bunnings no longer sell the 4000 because I had asked at another store on Sunday and they said they haven't stocked them for some time.
I thought, "I wonder if they would sell me that demo tool", so I looked around for one of the older team members that has been at the store for years and he knows me.
I explained that mine had just died and the fix up costs was at least $90 and that I already had most of the accessories and all I needed was the tool itself.
He said "Let me check on the computer".
While he was on the computer various customers were coming up and asking questions so his enquiries dragged on for some time.
After much Uhming and Ahhing he confirmed it was no longer stocked at Bunnings and he said he would need to go talk to the manager.
Another few minutes went past and he came back with a piece of paper with a signature, an item number and $45 written on it. "Take that to the checkout he said"
A small win and a demonstration that you can but ask.
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18th May 2016, 11:27 PM #15China
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Good one!!
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