Section 4. Bolting The Wing To The Fuselage - Hangar 9 J-3 Piper Cub Instruction Manual

Section 4: Bolting the Wing to the Fuselage
Parts Needed
• Left and right wing panels
• Fuselage
• Aluminum wing brace 24
• Aluminum wing brace 16" long
• Aluminum wing brace screws (2 large w/washers and
2 small w/washers )
• Wing attachment bolts/washers (2 each)
Step 1. Locate the two aluminum wing braces, the wing brace
hardware, and the wing attachment bolts from the hardware bag.
Step 2. Attach the 24 1 /
ward portion of the cabin area using the hardware provided. You
may need to carefully trim the covering away from the opening.
The blind nuts are already installed. Use a drop of Threadlock
applied to the threads before installing the screws.
14
1 / " long
2
" long aluminum wing brace to the for-
2
Tools and Adhesives Needed
• Allen wrench (provided in kit)
• Medium Phillips screwdriver
• Threadlock
Step 3. Attach the 16" aluminum wing brace to the area behind
the forward brace using the screws provided. Remember to apply
Threadlock to the screws first.
Step 4. Slide both wing panels on the wing braces and attach
the left and right wing panels using the two wing bolts/washers
provided. This is a temporary installation to help in the align-
ment of the horizontal and vertical stabilizers in the next section.
Note: The wing struts will be installed in Section 15.
WARNING
The wing struts MUST be installed before flight. They
are functional, providing the support necessary for the
wing to withstand normal flight loads. Do not fly the
aircraft without the wing struts installed!