Ensure that the Woodruff Key and drive washer are property and firmly attached. The Woodruff key allows the drive washer to lock into place, as it is the only place where the washer can slide into place to meet the crankshaft.
Fit the propeller nut and washer to the propeller, and screw onto the engine shaft. Tight nut firmly with wrench.
Insert the Propeller Safety Locknut Assembly and tighten firmly with wrench, being sure not to use excessive force.
It is important to remember, especially with wooden propellers, that there is a tendency for propeller materials to shrink due to wear or to heat. Always check to ensure that the propeller is properly secured to the shaft. Tighten the propeller nut if necessary after loosening the Propeller Safety Locknut. RE-Tighten Locknut once propeller nut is secure.
