Product Questions
I would recommend either the 0-0002 or 0-0050 abrasive kits for that sized tumbler.
The motor can get a bit warm which occasionally will also make the base warm to the touch depending on the model. It's always best practice to make sure it's in area which receives good air flow and there shouldn't be anything else on or near the tumbler...
depends on the brand. The product page will display the quantity discount.
Is the drum running at 1725rpm? They are directional, so make sure you don't have it backward. Is it all belts or just one? Email info@kingsleynorth.com