Step 1: Clean and prime all parts as desired. If Priming the interior surface of the elevator skins, first mask off the locations of the trailing edge foam ribs so that they will be bonded to bare aluminum. (Note we  are using the bucking bar we built for the trailing edge so we are not using the proseal prep described in this step)

Step 2: Rivet all the common 1/8" holes of the E-903 and E-904 Tip Ribs using rivets called out in Figure 1.

Step 3:Rivet the E-913 Counterbalance Skin to the E-903 and E-904 Tip Ribs using AN426AD3-3.5 rivets. Start riveting with the center holes at the front of the skin and work your way back, around the top and bottom. Don't rivet the six holes at the ends of the counterbalance skin which are common t the E-1001A & B Elevator Skins.

Step 4: Rivet the two E-910 Hinge Reinforcement Plate, and the associated nut plate, to both E-1002 Front Spars using the rivets called out in Figure 3.

Step 5: Rivet the E-905 Root Ribs to the E-1002 Front Spars with the rivets shown in the figure.

Step 6: Install the snap bushing, called out in Figure 3, into the holes indicated.

Step 7: Rivet the WD-605-L-1 and WD-605-R-1 Elevator Horns to their respective E-1002 Front Spars and E-905 Ribs using the rivets shown in Figure 4.

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