In this Rotochopper University video, Rotochopper Customer Service Manager, Adam Asmus will show you how to install the main rotor bearing on your Rotochopper MC-266, MP-2, or EC-256/366 horizontal grinder. Adam explains why you may need to change your main rotor bearing, the PPE and tools you’ll need, and step-by-step instructions on how to install a main rotor bearing. Contact Rotochopper customer service for support if you still have questions on how to install a main rotor bearing.