Page 21.19 Mid Fuse Ribs
& Bottom Skins |
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Step 01: Dimple all the #30 holes
and #40 nutplates attach holes in the area indicated in Figure 1 in both
the F-1213-L & R Step Floors. Do Not Dimple the nutplate screw holes. |
Items in this page
are covered in the Alterations |
Step 02: Dimple the nutplates shown
in Figure 1, then rivet them to the F-1213-L & R Seat Floors using the
rivets called out. |
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Step 03: Rivet the F-1213-L & R
Step floors to the F-1202F Bulkhead, the F-1212-L & R Step and the
F-1203A Bulkhead using the rivets called out in Figure 2. Be sure to
capture the two holes in the front flange of the F-1253-L & R Seat floor
Supports when riveting the two outboard holes of the step floors to the
bulkhead. |
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Step 04: Dimple the nutplates shown
in Figure 2, then reach through the lighting holes in the F-1212-L & R
Step Ribs and rivet the nutplates to the top flange of the F-1202F
Bulkhead and to the F-1213-L & R Step floors using the rivets called
out. |
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Step 05: Dimple the four sets of
nutplate attach rivet holes in the F-1207B Baggage Bulkhead for the
nutplates shown in Figure 3. |
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Step 06: Dimple the nutplates, then
rivet them to the F-1207B Baggage Bulkhead using the rivets called out
in Figure 3.
Note: For autopilot bracket installation refer to
Section 39. |
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Step 07: Cleco the F-1207B Baggage
Bulkhead in place, then rivet the baggage bulkhead to the F-126G-L & R
Baggage ribs using the rivets called out in Figure 3. Rivet to these two
ribs only, leave the rest of the baggage bulkhead clecoed. |
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Step 08: Install the snap bushings
depicted in Figure 3. |
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Step 09: Cleco the F-1048 Facet
Pump bracket to the F-1276 Bottom Skin as shown in Figure 3, then
final-drill #30 the four holes common to both parts. |
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Step 10: Remove the F-1048 Facet
Pump Bracket, final-drill #40 and machine countersink the nutplate
attach rivet holes, then attach the nutplates shown in Figure 3 with the
rivets called out. |
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Step 11: Rivet the F-1048 Facet
Pump Bracket to the F-1276 Bottom Skin using the rivets called out in
Figure 3. |
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