Thread: Problem with drivetrain and we can't figure it out.
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Unread 09-02-2016, 06:56
DaveL DaveL is offline
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Re: Problem with drivetrain and we can't figure it out.
There was a thread a few weeks ago about AndyMark transmissions. One side made a lot more noise than the other side. That happened to us. We followed their break-in procedure and when that didn't work, we swapped in a different gear housing.
Seems to be much better as a result. We also noticed a vibration coming from one motor, so we replaced it.

I also found a wheel bearing was pushed out when a student replaced the axles. Try pushing sideways on your wheels to see if they all have spacers. If there is a lot of wheel wobble, it could mean that a wheel bearing is missing or was pushed out.
Dave