Hangar 9 P-47 Thunderbolt Assembly Manual page 15

 
Step 5
Firmly grasp the wing and aileron and gently pull on the
aileron to ensure the hinges are secure and cannot be
pulled apart. Use caution when gripping the wing and
aileron to avoid crushing the structure.
Section 5: Installing the Ailerons
 
Step 6
Work the aileron up and down several times to work in the
hinges and check for proper movement.

Step 7
Repeat Steps 1 through 6 for the remaining aileron.
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