09/11/2018
RANS S-21 OUTBOUND
TEXT MANUAL
116
AILERON CABLE SYSTEM INSTALLATION - FUSELAGE
(FINISHING KIT)
(AFTER SKINNING AND PAINTING OF FUSELAGE)
1.
Refer to parts page and select the required components for assembly. Leave the
bolt through the U-bracket slightly loose to allow a small amount of rotation.
2.
Bolt Pulley Assemblies to bushings welded to Fuselage. If needed run a #11 drill
bit through the bushings.
3.
Route Aileron - Control Stick Cable, bolted to center of Control Stick Link Tube,
through Pulley Assembly outboard of Control Sticks.
4.
Route cable aft through tangs welded to Fuselage. Install Small Pulley between
Tangs.
5.
Attach Turnbuckle to aft end of cable.
(AFTER WINGS MOUNTED TO FUSELAGE)
6.
Route longer side (cable that comes from the forward side of the aileron
bellcrank) of the Aileron Cable from wing through Pulley Assembly at upper
station 3 and down to the Pulley Assembly at lower station 3.
7.
Route the cable forward and connect to the turnbuckle attached to end of Aileron
- Control Stick Cable. Refer to
FIGURE 10C-06
for a control system overview.
8.
Install a small pulley and cable keepers midway up on station 3.
NOTE:
Refer back to
FIGURE 10A-05
, if needed, for Cable Keeper
trimming.
9.
Route cable to outboard side of small pulley located mid station 3. Install cotter
pins to retain the cable in the pulley groove. Refer to
FIGURE 10C-07
.
IMPORTANT:
Make sure bolt is tight enough to prevent rotation of the
cable keepers.
10.
Route the short side (aft side of aileron bellcrank) of the aileron cable from the
wing under the small pulley at upper mid station 3. Install cotter pins to retain
cable in the pulley groove.
IMPORTANT:
Make sure bolt is tight enough to prevent rotation of Cable
Keepers.
11.
Connect the short ends of the aileron cables to each other with a turnbuckle at
upper mid station 3.
12.
Refer to RIGGING AND PREPERATION FOR FLIGHT for rigging and tensioning
of cables.
