Once assembled, back the adjusting star wheel all the way in and replace the drum and mount the tire. While spinning the tire, turn the star wheel to adjust the brake shoes into contact with the drums. You’ll hear them start to make contact and grind a bit. Keep going until you get enough resistance to feel, but that the tire will still make about a half-revolution when you spin it. Each time you brake while reversing, the adjusting lever will click the star wheel one tooth to keep the pads in contact with the drums, so make sure your star wheel is in good shape and the teeth aren’t too worn. Rust-belt users should slap some antiseize on threads of the adjuster mechanism.