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Page 22.03 Fwd Lower
Fuselage
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Step 01: Cut apart and deburr the
F-1257 Rudder Pedal supports Channels as shown in Figure 1. |
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| Step 02:
Dimple the aft two holes and nutplate attach holes in the F-1257 Rudder
Support Channels. Dimple the corresponding holes in the F-1201B Firewall
Shelf. See Figure 2. |
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| Step 03:
Dimple then rivet nutplates to F1201B Firewall Shelf and F-1257 Rudder
Pedal Support Channels as shown in Figure 2. |
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| Step 04:
Smear a thin layer of fuel tank sealant on the top surface of the top
flange of the F120C Firewall Bottom. Cleco then rivet the F-1201B
Firewall Shelf and F-1257 Rudder pedal Support Channels to the wd Lwr
Fuse Assembly per the call outs in Figure 2. |
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| Step 05:
Fill the tooling holes on the F-1201C Firewall Bottom with Blind Rivets.
See Figure 2. |
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| Step 06:
Make the F-1201L Bracket from AA6-063 X 3/4" X 3/4" per the dimensions
given in Figure 3. |
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| Step 07:
Draw a centerline on the forward face of the F1201L Bracket. See Figure
3. |
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Step 08:
Place the F-1201L Bracket flush against the F-1217A-R Tunnel Rib and
F-1201C Firewall Bottom dimples as shown in Figure 4. Align the
centerline on the forward of the bracket with the gascolator attach hole
( page22-2, Figure 3 ) then mach-drill #40 the nutplate attach holes in
the firewall bottom into the bracket ( use a small wood block to protect
your fingers ) Remove the bracket and machine counter the nutplate
attach holes in the forward face of the bracket for the dimples in the
firewall bottom.
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| Step 09:
Cleco the F-1201L Bracket to the F-1201C Firewall Bottom. Match-drill
#30 and cleco the two holes in the inboard flange of the bracket into
the F-1217A-R Tunnel Rib ( a #30 12" extension bit is useful for these
holes ). Match-Drill #12 the gascolator attach hole in the firewall
bottom into the bracket. See Figure 4. |
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| Step 10:
Deburr the F-1217A-R Tunnel Rib and F-1201L Bracket. Prime the Bracket. |
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| Step 11:
Rivet the F-1201L Bracket to the F-1217A-R Tunnel Rib and with a
nutplate to the F-1201C Firewall Bottom as shown in Figure 4. Dimple
then rivet a second nutplate to the remaining gascolator attach hole on
the firewall bottom inside the tunnel. |
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