alpha gen 1 new upper gear set humming

[erikincider]

just replaced upper gear set and have a slight humming noise. I installed using shimming tools and set driven & drive gears to .025 The only thing I could think of is a bearing humming since I used old bearings and races.

 

[moderator1]

Re: alpha gen 1 new upper gear set humming

Moving to I/O questions.