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Old 10-11-2015, 11:57 AM   #1
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Default Tekin hd brushed motor rebuild ?

Hello all!
I've got a 35t hd Tekin brushed motor. It would sporadically work, so I changed brushes in it. It still will not work, and no sound from the esc. I tried a diff motor, and the fxr esc works fine. What could it be?
Thanks!
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Old 10-11-2015, 12:00 PM   #2
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Default Re: Tekin hd brushed motor rebuild ?

did you check the commutator?
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Old 10-11-2015, 12:13 PM   #3
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Default Re: Tekin hd brushed motor rebuild ?

Does it work if you give it a push/nudge/kick?
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Old 10-11-2015, 12:17 PM   #4
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Default Re: Tekin hd brushed motor rebuild ?

I'll be honest, I don't know how to check the commutator. And eepee- I haven't really tried it. Since the new brushes I tried it out of the rig.
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Old 10-11-2015, 12:18 PM   #5
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Default Re: Tekin hd brushed motor rebuild ?

This is the first time I've had to rebuild a motor in the ten years of rc- I know I sound like a complete noob
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Old 10-11-2015, 12:21 PM   #6
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Default Re: Tekin hd brushed motor rebuild ?

Make sure the brushes move freely in the brush hoods. Pull on the brush wires a little and the brushes should snap back. Or, take it all apart and look at the commutator. Could be done.

Pictures are good.
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Old 10-11-2015, 12:23 PM   #7
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Default Re: Tekin hd brushed motor rebuild ?

I'll do that and get back with pics. Thanks man
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Old 10-11-2015, 12:28 PM   #8
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Default Re: Tekin hd brushed motor rebuild ?

The brushes don't move freely at all. Gonna order some new brushes and springs, and google how to check the commutator. Thanks
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Old 10-11-2015, 12:54 PM   #9
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Default Re: Tekin hd brushed motor rebuild ?

You might have bent a brush hood. Needlenose pliers work. Little bitty bend and check. Repeat til the brush moves freely.
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Old 10-11-2015, 08:04 PM   #10
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Default Re: Tekin hd brushed motor rebuild ?

Does it matter if the brushes stick out a bit? I took some brushes off an integy motor I have to try. Kept the same springs.
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Old 10-11-2015, 08:18 PM   #11
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Default Re: Tekin hd brushed motor rebuild ?

That's kind of unusual in my experience. All 2000 new, various brushes I have are the same length and absolutely fit entirely in the hood.
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Old 10-11-2015, 10:14 PM   #12
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Default Re: Tekin hd brushed motor rebuild ?

Yeah mine always go fully in. I'm guessing the brushes aren't even touching the comm if they are sticking out which would explain why you are getting no noise or anything.
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Old 10-12-2015, 08:50 AM   #13
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Default Re: Tekin hd brushed motor rebuild ?

I'll get some pics lol
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Old 10-12-2015, 12:12 PM   #14
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Default Re: Tekin hd brushed motor rebuild ?



Thoughts?
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Old 10-12-2015, 12:21 PM   #15
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Default Re: Tekin hd brushed motor rebuild ?

I've seen worse but if that was mine I'd be cutting the comm for sure. But I still don't understand why the new brushes were sticking out of the hood.
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Old 10-12-2015, 12:36 PM   #16
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Default Re: Tekin hd brushed motor rebuild ?

I completely miss worded that. The new ones (integy) stuck out further than the Tekin ones. Are brushes pretty universal? I don't understand why it's not working is all- no sound or anything
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Old 10-12-2015, 12:40 PM   #17
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Default Re: Tekin hd brushed motor rebuild ?

There is a few different type of brushes I believe tekin uses stand up brushes like holmes motors. Got a pic of the brushes?

My comm looked like that when I had to send it back to holmes. He said he forgot to fully cut the comm before he sent it to me originally. (Black friday deal last year)
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Old 10-12-2015, 03:00 PM   #18
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Default Re: Tekin hd brushed motor rebuild ?

I'll snap some pics of them
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