Wills Wing Alpha 180 Owner's Service Manual page 20

Under the glider, at the control bar
Sight down the downtubes, making sure that they are straight.
Check the cables at the control bar corners, making sure that all six cables are properly
secured and that there are no kinks or twisted thimbles. Check for proper installation of all
bolts, nuts, pins and safety rings at the control bar corners.
Make sure that the basetube is fully inserted into the basetube end bracket and is actually
secured by the installed bolt.
Check the control bar apex bracket hardware, including the clevis pin safeties, the control bar
top plug bolts and nuts, and the elbow to apex bracket nut and bolt.
Check the main and backup hang loops, that they are properly installed in the proper position
and that they are in good condition.
Check the attachment of the sweep wire to the crossbar, and the center hinge bolt and nut.
At the nose
Check the security of all nuts at the noseplate, and check the top front wire. Check that the
keyhole tang safety is properly secured and that the button lock is in place.
— 14 —