Bonnie H Broken Bow , OK August 29, 2014 The shaft of one of the wheels got bent and the wheel broke and fell off I tried to order only the wheel, but they don't come that way. I had to buy the whole bottom section. I received the part on 8-26-2014. Instead of dismantling the bottom of the machine, I just replaced the damaged wheel. It was very simple to do. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes