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Bob Leffler's RV-10
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Date: 5-5-2011
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Number of Hours: 2.50
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Manual Reference: 47-7, 47-8, FF2-6
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Brief Description: Upper Cowl
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47-7, Steps 6, 7, 8, 9, 10, & 11
Cleco the F-1001Y Cowl Upper Pin Retainer to the F-1001Z Filler Plate. Final-Drill #40 all the rivet holes in both parts. Final-Drill #27 the screw holes in the cowl upper pin retainer.
Dissassemble the F-1001Y Cowl Upper Pin Retainer and F-1001Z Filler Plate. Deburr both parts. Machine countersink the rivet holes in both parts.
Rivet the F-1001Y Cowl Upper Pin Retainer to the F-1001Z Filler Plate per the callouts. Do not rivet the nutplates on yet!
Cut a notch in the middle aft edge of the top cowl per the dimensions.
Fit the Cowl Upper Pin Retainer Assembly into the notch made previously. Match-Drill #27 the two screw holes in the F-1001Y Cowl Upper Pin Retainer into the top cowl.
Rivet the nutplates to the Cowl Upper Pin Retainer Assembly per the callouts.
47-8, Step 11
Machine countersink the holes just drilled on the top cowl.
FF2-6, Step 4
Enlarge the #30 pilot holes to 3/4 dia. using a unibit, then remove the material between the two holes.
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Top cowl machine countersunk and ready for riveting
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Cowl Upper Pin Retainer
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Alt Right Support Bracket
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