Hangar 9 Assembly Manual page 14

Section 3: Propeller and Spinner Installation

Step 5
Thread the propeller nut onto the engine crankshaft.

Step 6
Use an adjustable wrench to tighten the propeller nut,
securing the propeller and spinner backplate onto the
engine crankshaft.
Important: When tightening the propeller
nut, always use an adjustable wrench, box
end wrench or 3/8-inch drive socket. Using
pliers will not allow you to place enough
grip to properly tighten the propeller nut.
Note: Make sure the propeller has not
moved from its position as described back
in Step 3. If it has, the spinner cone will not
be able to be installed in the following steps.
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
Step 7
Slide the spinner cone over the propeller. It will fit into the
grooves in the spinner backplate when installed.

Step 8
Use the three 3mm x 10mm sheet metal screws supplied
with the spinner to secure the spinner cone to the spinner
backplate. A #1 Phillips screwdriver will be required to
tighten the screws.