Page 21.05
Mid Fuse Ribs
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Step 01: Set aside two Seat Rib Assemblies ( one left and one
right ). In the remaining two Seat Rib Assemblies ( one left and one
right ), final-drill #19 the screw holes for the nine nutplates depicted
in figure 1.
Note: that in the case of the MS21051-L08 nutplate the
screw hole is Not the center hole. |
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Step 02: Dimple the indicated
attach hole for the MS21051-L08 nutplate in the aft, sloped flange of
the two Seat Rib Assemblies.
Note: The Second attach hole has been
factory dimpled See Figure 1. |
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Step 03: Dimple the four K1000-08
nutplates called out in Figure 1, then rivet them to both Seat Rib
Assemblies. The five remaining nutplates are installed on Pages 21-7 and
21-8. |
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Step 04: In both Seat Rib Assemblies, dimple ( flush on top
surface ) the three #30 holes indicated in Figure 1. |
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Step 05: Locate the four remaining
F-1215-L & R Set Ribs ( two left and two right, without seat belt attach
lugs ). in all four seat ribs, final-drill #19 the screw holes for the
nutplates depicted in Figure 2. |
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Step 06: Set aside one pair of
F-1215-L & R Seat Ribs ( one left and one right ) Dimple the the
nutplates shown in Figure 2, then rivet them to the remaining two
F-1215-L & R Seat Ribs ( one left and one right ) using the rivets
called out. |
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Step 07: Dimple the nutplates shown
in Figure 3 and the corresponding holes in the Left Seat Rib Assembly (
the left seat rib assembly from Figure 1 ), then rivet the nutplates in
place using the rivets called out. |
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Step 08: Machine countersink the
two holes, indicated in Figure 3, in both F-1252 Flaperon Stops.
08/06/12 |
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Step 09: Rivet one of the F-1252
Flaperon Stops and the Pulley Bracket Assembly to the left Seat Rib
Assembly using the rivets called out in Figure 3. |
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Step 10: Rivet the F-1215-L
Seat Rib that has the nutplates installed from step 5, to the Pulley
Bracket Assembly as shown in Figure 3. |
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Step 11: Dimple the nutplates shown
in Figure 4 and the corresponding holes in the Right Seat Assembly ( the
right seat rib assembly from Figure 1 ), then rivet the nutplates in
place using the rivets called out. |
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Step 12: Rivet the remaining F-1252
Flaperon Stop and Flaperon Mixer Arm Assembly to the Right Seat Rib
Assembly using rivets called out in Figure 4.
Note: For autopilot
bracket installation refer to Section 39. |
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Step 13: Rivet the F-1215-R Seat
Rib that has the nutplates installed from Step 5, to the Flaperon Mixer
Arm Assembly as shown in Figure 4. |
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Mid Fuse Ribs
& Bottom Skins |
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