Toro 521 Auger Impeller Bushing Bearing Repair

How to replace the Auger Bushing/Bearing on a Toro 521 Snowblower Model 38052. I take apart the snowblower and replace the auger/impeller bearing/bushing. Auger Bearing on Amazon: http://www.amazon.com/s/?_encoding=UTF8&camp=1789&creative=390957&field-keywords=toro%2012-8789&linkCode=ur2&rh=i%3Aaps%2Ck%3Atoro%2012-8789&tag=mtsyoutube-20&url=search-alias%3Daps&linkId=6EEUAEKFX5RGBII6