RANS S-20 RAVEN
TEXT MANUAL
09/01/2013
08C-03
21.
Pre-iron the fabric all the way around to remove wrinkles and to pre-
tension the fabric.
22.
"Size" the fabric around the Horizontal Stabilizer bushings using thinned
glue. Let dry and cut to allow the fabric to slip over the bushings.
23.
Final tension the bottom and both sides evenly. Use care when applying
heat to the flat lap joint area as heat will soften the adhesive and the bond
may separate.
24.
Rivet a Lexan Cover Strap over the center of the Vertical Stabilizer Rib.
Refer to
WING COVERING - FIGURES 08A-26A
thru
08A-26C
for details
about riveting.
25.
The Lexan Cover Straps should extend a minimum of 1/4” past the first
and last rivet. Cut the supplied Lexan Cover Straps to length. Apply the
small clear double-stick tape on top of the fabric centered along each rib
and extending 1/4” past the first and last hole. Remove the protective
paper on top of the double stick tape and glue on the Cover Strap. Make
sure the Strap is centered over the holes in the ribs.
26.
Use a hot knife with a pointed tip or a soldering iron and melt through the
cover strap and the fabric into the rib holes.
27.
Cut the melted build up, on top of the Lexan straps, off using a razor
blade.
28.
Insert a rivet in each hole and rivet.
29.
Bond all exit rings, inspection ring, and rudder cable exits in place as
follows.
30.
A template is used to locate the elevator yoke exit rings (both sides of
fuselage). Fabricate template by gluing together the parts of
FIGURES
08C-30
thru
08C-30C
. HINT: You may want to make copies of the pages
just in case. Mark the ring location, scuff surface of rings and glue to
fabric.
31.
Cut out the Rudder Cable Exit Fairings from supplied sheet and cut out aft
opening for rudder cable in fairing. Be sure to leave a flange to bond to
fuselage skin. Mark location as per template. Scuff surface of fairing and
glue directly to fabric (both sides of fuselage).
IMPORTANT: Left and
Right Rudder Cable Exit Fairings are located in different positions on the
fuselage.
32.
Mark location per template on left side of fuselage for the Inspection Ring.
Scuff surface of ring and glue to fabric.
33.
Mark locations, scuff surface and glue on inspection rings, drain grommets
and the 2” ring at the fuel drain location. Refer to
FIGURES 08C-33
thru
08C-33B
for guidance.