RANS S-20 RAVEN
TEXT MANUAL
05C-02
05/01
/2017
INSTALLATION
(AFTER ASSEMBLY OF WING FRAME)
6.
Pre-drilled #30 rib mounting holes are located in Leading & Trailing Edge
Spars. De-burring of holes may be required. Modify 2 FWD Rib Attach
Clips per
FIGURE 05C-06
. Orientate with tabs to the outboard side and
rivet to pre-drilled holes at root of Leading Edge Spar.
7.
Modify Root Ribs and 2 AFT Rib Attach Clips per
FIGURE 05C-07
.
Orientate with tabs to the outboard side and rivet to pre-drilled holes at
root of Trailing edge Spar.
8.
Cleco Attach Clips to Spars for Rib locations #4 & #11. Orientate with
tabs facing inboard. Rivet Clips to Spars.
9.
Modify Ribs per
FIGURES 05C-09
thru
05C-09B
. Install Tinnerman Clips
to lower flange of Root Rib.
10.
Rivet Rib Clips to outboard side of ribs #2, 3, 5, 6, 7, 8, 9, and 10.
11.
Rivet Clips to inboard side of Tip Rib. Cleco and rivet Tip Rib to Tip Bow.
Refer to
FIGURE 05C-11
for location.
12.
Loosen Drag Braces in Wing. Slip Ribs #2 thru #4 over the inboard Drag
Brace and Ribs #5 thru #7 over the outboard Drag Brace. Cleco in place.
13.
Cleco Ribs #8 thru #11 in place.
14.
Transfer drill #30 through Bellcrank Rib Reinforcement into Rib #8.
Cleco as you drill. Do
NOT
rivet at this time.
15.
Rib # 1 and #2 sandwich the fuel tank and should not be riveted to clips
until after fuel tank installation.