Before each flight, inspect the propellers for cracks, wear, warping, corrosion, or loose screws. If any issues are found, replace them following the user manual instructions. Use the included screwdriver for proper installation.

Please follow the instructions provided.

1. Remove the two blades and screws from the motor, and replace with the new propellers and screws.

2. Attach the marked propellers to the marked motors, and the unmarked propellers to the unmarked motors.

3. Ensure that the propellers and motors are installed securely before each flight.