Step 1- Cleco the R-1010 Counterbalance rib to the R-1002 Spar as shown in figure 1. Final Drill the two holes that attach the rib to the spar with a number 30 Drill

Step 2- Cleco together the R-1003A and R-1000B to the Top Rib then final drill the common holes except the spar attachment hole) Cleco the rib to the spar, using holes shown and final drill

Step 3- Deburr the edges of both R-1001 Skins, then cleco one of the Skins as shown in figure 2

Step 4- The ends of the trailing edge extend beyond the skins. Mark locations, remove and trim. Cleco the trailing edge back in place, 

Step 5- Cleco then second skin to the skeleton

Step 6- Final -drill all the holes common to the R-1001 Skins and rudder skeleton with a #40 drill. When drilling the R-1002 Spar and R-1006 trailing edge, start in the middle of the span and work towards the ends. Drill holes of the trailing edge perpendicular to the chord line of the rudder, not to the skin.

Step 7- Remove the R-1001 Skins and mark the insides as "left" or "right".

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