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Bob Leffler's RV-10
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Date: 1-15-2010
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Number of Hours: 2.00
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Manual Reference: 43-7, 43-8
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Brief Description: Cabin Cover #3
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43-7, Step 8
Machine countersink all of the #12 holes in the forward and aft portions of the C-1001 Cabin Cover door openings for the heads of AN509-10 screws, and all of the #19 holes in the bottom portion of the door openings for AN509-8 screws. There is not enough room for a countersink cage, so you will need to use a deburring tool extension in a drill. Countersink in line with the hole, not perpendicular to the tapered surface of the cabin Gover. This will produce a countersink that is deeper on the inboard side of the hole than on the outboard side. Countersink just deep enough so that the screw is flush with the outboard side.
43-7 Completed per plans
43-8, Steps 1, 2, 3, & 4
Final-Drill #12 the four holes at the top of the WD-1043 Center Cabin Brace.
Insert the tab at the bottom of the WD-1043 Center Cabin Brace into the slot in the F-1071 Fwd Top Skin. Slide the brace as far forward as it will go, then space the bottom end of the tube off the fwd top skin using a 0.032" scrap aluminum shim. Center and then clamp the top end of the brace to the C-1001 Cabin Cover.
Match-Drill #12 one of the four holes in the top of the WD-1043 Center Cabin Brace into the C-1001 Cabin Cover. Insert an AN3 bolt into the hole to maintain alignment, then match-drill the remaining three holes.
Two bolts are used to secure the WD-1043 Center Cabin Brace to the F-1044A Fwd Cabin Rib and the F-1044B Angle. Match-Drill #12 one of these two bolt holes in the fwd cabin rib into the tab at the bottom end of the center cabin brace and the angle. Insert an AN3 bolt, then match-drill the second hole.
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Center Cabin Brace match drilled
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Left side of cabin cover countersinked
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Right side of cabin cover countersinked
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