Hangar 9 Piper Cherokee Instruction Manual page 40

Section 14: Installing the Cowling
Step 4. Glue the two cowl halves together using thin CA.
Carefully hold the cowling halves together as you glue them. Be
careful the CA does not run. It is best to apply the CA very
sparingly. Do a small section at a time.
Step 5. Trial fit the cowling over the engine. Position the
cowling so the edge of the cowl mating to the firewall overlaps
approximately 1/4''. Use masking tape to hold the cowl in
position, then mark four screw hole locations on each side of the
cowl. We would suggest two screws in the upper cowl half and
two screws in the lower half, on both sides of the cowling.
Note: The firewall has a plywood/balsa lip to which the
cowling will be attached.
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Step 6. Final trim of the cowl will depend on the type of engine
and the location of the spring of the nose wheel in relation to the
cowl.
Step 7. After you are satisfied with the fit and final location of
the cowling, apply the trim film to the cowling. Any rough edges
should be trimmed with your sanding stick.
CONTINUED