RANS S-20 RAVEN
TEXT MANUAL
06/09/2015
05-04
WING FRAME ASSEMBLY
26.
Select either a Right or Left hand set of Leading and Trailing Edge Spars.
Place on padded sawhorses and bolt in root Inner Compression Tube.
IMPORTANT: Be sure to install the Aileron Cable Rub Block and the
Aileron Cable Retention Plate at the Trailing Edge Spar.
Refer to
FIGURE
05-26
. Install Single-Ear Nut plates to the top of Aileron Cable Retention
Plate.
IMPORTANT: Be sure the nut plates align with the Rub Block.
Refer to
FIGURE 05-26A
. Only finger tighten the 2 bolts at this time.
27.
Slide the Compression Tube Doubler inside the Bell Crank Compression
Tube so that the holes align with the AFT holes in the Compression Tube.
Reference
FIGURE 05-27
.
NOTE: The Bell Crank Compression tube has
two holes that are used for the Bell Crank Brace.
Place the Compression
Tube with these holes orientated to the Trailing Edge Spar.
28.
Install both the Flap and Bell Crank Compression Tubes into the wing
frame. Refer to the parts drawing for orientation of each Compression
Tube.
NOTE: Do NOT tighten the rear bolt on the Bell Crank Compression
Tube at this time.
29.
Install the Jury Strut Bracket to the forward bolt retaining the Flap
Compression Tube. Refer to
FIGURE 05-26
.
30.
Assemble the Teleflex Retainer and the Cable Guide to the Flap
Compression Tube as per
FIGURE 05-26
.
31.
Cut four bushings, 1" long, from 3/8" x .095" material. These will later be
inserted between Bell Crank Braces.
32.
Slide Bell Crank Braces into position as per parts manual (between
Compression Tube and U-bracket). Refer to
FIGURE 05-27
. Cleco the 2
braces together along their flanges and to the U-bracket. Temporarily bolt
to Compression Tube. Transfer drill #11 through 3 forward Brace holes,
top and bottom. Cleco. Transfer #30 through remaining holes in Brace
along Compression Tube.
33.
Remove all clecos and deburr parts. Install 1" bushings.
HINT: A dab of
JB Weld on ends of bushing will help hold then in place.
Re-install Braces
with clecos. Remove one cleco at a time and rivet. Refer to parts manual
and
FIGURE 05-27
for rivet details.
NOTE: Three holes for mounting
Bellcrank Bearing Mount Blocks on top and bottom do not receive rivets.