Intall the drive pin into the shaft hole and align it with the propeller (The drive pin and the cross-shaped propeller groove must align horizontally). Install the Sacrificial Anode stainless washer and nut into the shaft (figure.7) when the propeller is assembled.
Hold the propeller to prevent it from revolving and use the propeller wrench to tighten the propeller nut.
Use the propeller wrench supplied or 7mm wrench for the installation.(The use of inappropriate tools may cause motor damage)
Tighten the prop nut 1/4 turn past snug.(30 inch lbs) over tightening the prop nut can damage to the prop.