RANS S-20 RAVEN
TEXT MANUAL
09/01/2013
03L-03
22.
Cut two Aluminum Strips from 3/4" x .020" raw stock. Drill #30 holes on
centerline of each piece. Refer back to
FIGURE 03L-20
. Using Aluminum
Strip as a drill pattern, locate #30 holes in cowl 13/16" fwd of opening.
Using Aluminum Strip as a drill pattern, locate holes in door 1/2” aft of fwd
edge of opening.
23.
Remove Upper and Lower Cowling.
24.
Cleco 1/4 Turn Receptacles through #11 holes to inside of Boot Cowl
Strips. Align and transfer drill #40 though Receptacles. Remove
Receptacles.
25.
Cleco 1/4 Turn Receptacles through #11 holes to inside of lower Cowling
joggle. Align and transfer drill #40 though Receptacles. Remove
receptacles.
26.
Position 4 forward Nut Plates to inside of lower Cowling, temporarily retain
with Truss Head Screws and transfer drill #40. Remove Nut Plates
27.
Cleco 1/4 Turn Receptacle through #11 hole to inside of upper Cowling at
aft edge of Oil Access Door opening. Align Receptacle vertically and
transfer drill #40 though receptacle. Remove receptacle.
28.
Step drill Receptacle holes to 5/16”. Refer to
FIGURE 03L-28
.
NOTE:
Rivet holes in the cowling may be countersunk for a more flush fit.
IMPORTANT: The 4 forward most holes must remain #11 for the #8
Screws.
29.
Step drill the fastener holes to 1/4”. Refer back to
FIGURE 03L-28
.
IMPORTANT: The 4 forward most holes must remain #11 for the #8
Screws.
30.
Locate opening for Muffler Extension to extend through lower Cowling.
This opening may need to be enlarged after the engine is run to prevent
contact with Exhaust Extension.
31.
Trim aft edge of lower Cowling air exit per
FIGURE 03L-31
.
32.
Paint Cowlings and Oil Access Door.
(AFTER PAINTING OF COWLING AND OIL ACCESS DOOR)
33.
Rivet 1/4 Turn Receptacles and Nut Plates in place.
34.
Install 1/4 Turn Fasteners in Cowlings. Refer back to
FIGURE 03L-28
.
35.
Sandwich ends of Vinyl Fabric hinge between Aluminum Strips, upper
Cowl and Oil Access Door. Excess material will bulge out to the inside at
forward edge of opening to allow door movement. Locate #30 holes
through Vinyl Fabric and install rivets. Install 1/4 Turn Fastener.
36.
Install Cowling and admire.