Drum Sander speed control repair

Part 1: I need help to identify a component on speed control circuit board

My drum sander’s conveyor recently quit. We were able (with help) to narrow down the problem to a component on the speed control. My husband said he is willing to attempt to solder on a new component (a new circuit board is over $240) but after...

Part 2: PTL! It works!

I can’t express how thankful I am for all the help in getting my sander’s conveyor running again. Living in the middle of nowhere, I was unable to find a vendor for the bridge rectifier within an hour of here so I ordered one (actually two)...