E-flite Apprentice 15e PNP - Manual (Page 21)

21 E-flite Apprentice PNP Assembly Manual
 2. Slide the spinner backplate on the propeller
adapter.
 3. Install the washer on the propeller shaft.
 4. Thread the nut on the propeller adapter. Use an
adjustable wrench to tighten the nut. Make sure the
nut is tightened properly so the propeller does not
depart from your model during flight.
 5. Snap the spinner cone on the spinner backplate.
It should snap on the backplate using a little force.