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Old 10-11-2020, 10:17 AM   #1
Quarry Creeper
 
Join Date: Jun 2019
Location: Sunshine Coast, BC, Canada
Posts: 246
Default servo issue

Today I had an issue with my spektrum 6240 servo.
A great servo, fast & powerful, never had any issue at all until today after 5 mins on the trails a strange spinning sound appeared and nothing turned anymore.
Back home, I took a closer look to find out that the servo gear motor has been destroyed by the gear next to it.
I contacted spektrum to see what they can do to fix this.
Stay tunedÖ





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Old 10-11-2020, 11:02 AM   #2
I wanna be Dave
 
Join Date: Jun 2016
Location: Deep in the Everglades
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Default Re: servo issue

Thatís why they sell a replacement gearset with pins.
If EPís arenít set, you can destroy gears if youíre bound up.

https://www.amainhobbies.com/spektru...UaAvjHEALw_wcB


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Old 10-11-2020, 11:11 AM   #3
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Default Re: servo issue

I've seen this kit, but unfortunately this won't help me because the gear that is destroyed is on the motor, and it looks like that small gear can't be changed...
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Old 10-11-2020, 12:21 PM   #4
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Default Re: servo issue

90$ servo and you cant service them ?? Awesome !
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Old 10-11-2020, 12:38 PM   #5
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Default Re: servo issue

Totally!
But let's see what spektrum says about this...It's a really good servo, so I hope something good will happen!

Last edited by STHA; 10-11-2020 at 12:42 PM.
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Old 10-11-2020, 07:52 PM   #6
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Default Re: servo issue

I like those pictures. I'll pass on the servo though.

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Handy gearing spreadsheet
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Old 10-12-2020, 09:29 AM   #7
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Default Re: servo issue


I like your 3d printed crawler, impressive!!!
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Old 10-13-2020, 06:46 AM   #8
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Default Re: servo issue

The color of that gear doesn't make me think of steel. It's also curious why its companion gear is only half of its height?
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Old 10-18-2020, 08:54 AM   #9
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Default Re: servo issue

Update:
Spektrum answered my email, I need to send them the servo for inspection.
This is what I'll do then...
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Old 10-22-2020, 09:59 AM   #10
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Default Re: servo issue

last update:
I'll keep this broken servo and buy a new one... As shipping + inspection = $$$!!!
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Old 10-29-2020, 08:33 AM   #11
I wanna be Dave
 
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Location: central VT
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Default Re: servo issue

Thats lame. What will you replace it with?

How many hours of use did this last? In what ype of truck?

Sucks when expensive electronics die.
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Old 10-29-2020, 09:24 AM   #12
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Join Date: Oct 2019
Location: Texas
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Default Re: servo issue

That small pinion gear looks like brass. Works fine if the companion gear was plastic. Steel would've lasted longer. Top half of the gear doesn't mesh with the companion gear and still useable ... any way you can pull it off the motor shaft and re-install it upside down?
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Old 10-30-2020, 07:57 AM   #13
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Default Re: servo issue

Absolutely, I tried to pull that small gear. Didn't move at all...
Any idea how to remove it properly?!
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Old 10-30-2020, 08:58 AM   #14
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Default Re: servo issue

Quote:
Originally Posted by STHA View Post
Absolutely, I tried to pull that small gear. Didn't move at all...
Any idea how to remove it properly?!
Heat is your friend ..small blowtorch...nly heat the pinion part and then pry it out good luck
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Old 10-30-2020, 10:02 AM   #15
I wanna be Dave
 
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Default Re: servo issue

Quote:
Originally Posted by themountain View Post
Heat is your friend ..small blowtorch...nly heat the pinion part and then pry it out good luck

Micro torch is still too big. Use a pinion puller, or buy a quality servo


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Old 10-30-2020, 12:29 PM   #16
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Default Re: servo issue

I'll buy a new one... But not this one
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