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How to desolder hobbywing esc?

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Old 02-07-2014, 07:38 PM
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Default How to desolder hobbywing esc?

I have a hobbywing 150 amp esc and the wires are super thick. I'm trying to desolder them but it won't melt. I am using a hakko soldering station at 899 degrees Fahrenheit and nothing. Any tips?
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Old 02-07-2014, 07:40 PM
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Are you using flux?
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Old 02-07-2014, 07:43 PM
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Yes
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Old 02-07-2014, 07:47 PM
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Ok then.what tip are you using? You could try cutting the wires off as well, then just desoldering the stubs.
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Old 02-07-2014, 07:52 PM
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Ok. And the tip is short. Is te original that comes assembled with hakko
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Old 02-07-2014, 07:57 PM
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The pencil tip or wide chisel tip? You will want to use the wide one for more heat transfer.
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Old 02-07-2014, 08:00 PM
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Ok... It's a pencil tip
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Old 02-07-2014, 09:17 PM
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Cutting the wires short is a good idea as Panda says. It'll stop the long wires transferring the heat away from the joint. Also adding a little fresh solder into the mix can improve the heat transfer process helping to melt the joint quicker. Good luck!
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Old 02-07-2014, 09:23 PM
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Thanks
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Old 02-08-2014, 05:52 AM
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cut the wires as short as you can while still being able to grip them with some pliers when the solder melts.
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Old 02-08-2014, 08:49 AM
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The solder won't melt! I tried everything
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Old 02-08-2014, 08:54 AM
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Get a bigger tip
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Old 02-08-2014, 08:54 AM
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You need a thicker tip. That small tip iron won't melt the solder quick enough for you to remove thick 12 and 10ga wire.
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Old 02-08-2014, 09:20 AM
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Originally Posted by hyujmn
You need a thicker tip. That small tip iron won't melt the solder quick enough for you to remove thick 12 and 10ga wire.
I've tried an 80w iron with a 1/2" wide chisel tip and won't cut it. They use silver solder and that takes alot of heat to melt. Castle does the same thing and I hate that!!! I haven't tried cutting the wire shorter to see if that would help. If it don't...now I have NO wire!
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Old 02-08-2014, 09:35 AM
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Something is wrong then. Silver solder doesn't need to get that hot to melt.
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