Granite Issue with the steering on my granite

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shingo

Active Member
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Location
Montreal
Arrma RC's
  1. Granite
Hi, I have the oem servo on my granite and I have a big issue with the steering.

It goes full left as soon as I put it on.

I tried to play with the throttle trim and dual rate and it doesn’t change anything.

If I force the wheel right and turn the remote right,nothing happen, If I turn left it will go back to the left position but I can’t bring it back.

There’s no weird noise but it feel like a limit switch is dead.

I removed the servi to try and it’s the same behavior
 
I opened the servo, all the gears are fine, the engine spin nicely in one direction but it doesn't spin in the other direction.

I believe it's because of the potentiometer with the arrow. When I turn it at some point the motor will spin in one direction, but whatever I do it never spin in the other direction.

Any idea if these parts can be ordered?

I will try to test the potentiometer later, but I need a refresher course with my multimeter first.

Thank you


IMG_2795.jpg
 
I check with the multimeter, there's no resistance on one side of the potentiometer, so that's probably the source of the issue.

I'm trying to find a replacement potentiometer online, it's pretty difficult to find the exact model.
 
I received my servo from amazon, it’s crazy, it’s a holiday today, everything is closed today. I ordered last night.

It’a bit faster than oem but much stronger
 
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