I reassembled the motor. During reassembly I realized that before I pulled it apart, the fan was originally screwed on too tight and was directly touching the brake pad which was directly in contact with the motor. Upon reassembly, I loosened the fan about 1/16" and set the depth nuts the same distance on the brake pad. This leaves the brake engaged when the machine is off but the 1/16" gap gives it space to attract to the magnet. Once all was out back together, I tested the machine. The electromagnet works when I turn the machine on and it pulls the brake off and away from the fan. Unfortunately my machine does not seem to have a mechanism to engage the electromagnet without the machine itself running and the wheels turning, so I still have the resistance when tracking the blade, but no resistance when the machine is running. My motor still generates some heat, but so far not as bad as it was before. Are there any dangers to disengaging the brake entirely? I may prefer that for ease of use.