1.Cleco the 3 sets of stiffeners P4103, P4104 and P4105 onto the bottom skin. Ends of stiffeners may need to be trimmed slightly to clear the fuselage tubes. The vertical flange should be inboard as shown. Upsize, deburr and dimple if desired.
2. Fit P-F-Fuel Line Cover sides P4108 and P4109. Ends of the side pieces may need to be trimmed slightly to clear the fuselage tubes. The vertical flange should be inboard as shown. Upsize, deburr and dimple if desired. Do not rivet into place until bottom skin is riveted on.
3. Fit P-F-FUEL LINE COVER TOP P4110 into place. Trim ends if necessary. Upsize holes, but do not rivet into place until engine and fuel components have been installed.
