Hangar 9 P-51D Mustang Sport 40 ARF Assembly Manual page 32


Step 8
Use 30-minute epoxy to glue the servo mounting blocks to the
servo cover. Allow the epoxy to fully cure before proceeding.

Step 9
Repeat Steps 2 through 8 to prepare the remaining servo
cover for the servo.

Step 10
Position the servo between the servo mounting blocks.
Use a pencil to transfer the positions for the screws to the
mounting blocks.
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
Step 11
Use a drill and 1/16-inch (1.5mm) drill bit to drill the four
holes for the servo mounting screws.

Step 12
Apply 2–3 drops of thin CA in each hole to harden the
surrounding wood. This will help in preventing the screws
from vibrating loose.

Step 13
Secure the servo to the blocks using the screws provided
with the servo and a #1 Phillips screwdriver.

Step 14
Pass the servo lead through the holes in the wing ribs.
note: If you have installed the fixed flaps and are now
installing the optional flaps, you will need to remove the
flap stay. This can easily be done by scoring the stay
near the wing and bending it slightly, which will break
the flap stay where it was scored.
Hangar 9 P-51D Mustang Sport 40 Assembly Manual