RANS S-20 RAVEN
TEXT MANUAL
05C-05
05/01
/2017
34.
Rivet Lower Root Skin to Root and #2 ribs.
35.
Locate the parts for the Fuel Tank Cap Assembly.
36.
Modify Capture Ring per
FIGURE 05C-36
. Glue Fuel Scupper edge to
Capture Ring. 3M Super 77 Adhesive or similar will work well.
IMPORTANT: Holes must align!
37.
Place 2” masking tape over hole in top center of Fuel Tank Filler Cap
area. Refer to
FIGURE 05C-37
. Locate and mark the center of the
opening.
NOTE: Center-mark may not be centered on pre-located
manufacturing hole in tank
.
38.
Fabricate a Drill Guide from scrap Aluminum sheet per
FIGURE 05C-37
.
39.
Secure Drill Guide to top of Fuel Tank with 2 small sheet metal screws
with the center hole centered on the mark.
40.
Cut hole into the top of the tank with a fly-cutter or hole-saw using the
Drill Guide. Refer back to
FUEL TANK ASSEMBLY
for required hole
size. Clean debris from tank. Install fuel fittings if not already done.
41.
Modify Cover Ring per
FIGURE 05C-41
. Orientate Scupper per
FIGURE
05C-41A
. Cleo Scupper, Capture Ring, and Cover Ring onto Upper Root
Skin.
NOTE: The Scupper and Capture Ring install under the Upper
Root Skin.
Refer to
FUEL CAP ASSEMBLY
.
42.
Place Fuel Cap Assembly centered in the opening. Align Fuel Cap
Assembly holes with Scupper holes and transfer drill #11. Cleco as you
drill.
43.
Modify Fuel Cap, Retainer and Scupper for Fuel Vent Tube. Be sure to
orientate Fuel Vent Tube hole to outboard. Transfer drill 25/64". Clean
debris from tank.
44.
Glue Scupper, and Capture Ring to underside of Upper Root Skin. Cleco
Cover Ring in place. Be sure Capture Ring is secure to underside of
Scupper. Cover Ring will be removed for covering. Secure Fuel Cap
Assembly to Fuel Tank. Be sure to use a fuel resistant sealant on the
screw threads. RANS uses DOW 730 Solvent Resistant Sealant. Do
NOT
install Fuel Vent at this time; it will be installed after covering and
painting.