7Before you beginChanging the propellers1. Remove the propellers with the propellers mounting tool (A).2. Install the new propellers (B):· place the propellers with a hole in the middle on the motors with a protrudingaxle (front right and rear left motors);· place the propellers without a hole on the motors without protruding axle (frontleft and rear right motors).3. Lock the propellers with the propellers mounting tool.