RANS S-20 RAVEN
TEXT MANUAL
09/01/2013
02A-01
CONTROL STICK PUSH-PULL TUBE
ASSEMBLY & INSTALLATION
(AFTER COVERING AND PAINTING OF FUSELAGE)
1.
Refer to the parts catalog and select the required components for
assembly.
2.
Fabricate elevator stop sleeves from raw stock per
FIGURE 02A-02
. Slip
one sleeve onto 35" push-pull tube before inserting tube through Sliding
Block. Slip other sleeve onto tube forward of Sliding Block.
NOTE: Stop
Sleeves will be riveted in place during rigging of Elevators.
3.
Assemble elevator push-pull tubes, side plates and associated hardware
per parts drawing. Install Push-Pull Tube Assembly to mount block
between seat rails per
FIGURE 02A-03
. Cut 1/4" Aluminum Bushings to
length to fit in Rod Ends.
IMPORTANT: Make sure Rod Ends are engaged
at least 10 full threads.
Bolt through top of Side Plate should not be so
tight as to restrict pivoting of assembly.
4.
Bolt Rod End in forward end of 12" Push-Pull tube to lower hole in Control
Stick Torque Tube.
IMPORTANT: Make sure Rod End is engaged at least
10 full threads.
5.
Modify Small Cable Keeper per
FIGURE 02A-05
to make individual Cable
Keepers. Feel free to modify all of the parts, just be sure to keep track of
them after modification.
6.
Bolt Small Cable Keepers, Small Pulleys, and Sliding Block to tabs welded
to Station 3. Fabricate Aluminum Bushings as shown in parts pages.
NOTE: The 1/4" Bushing inserted through the Sliding Block should be
wider than the Block to allow it to swivel.
Rotate Small Cable Keepers to
top of pulleys and tighten bolt to prevent rotation. Insert cotter pins after
Rudder Cables are installed over top of pulleys.
7.
Lubricate Sliding Block and 35" Push-Pull Tube with White Lithium Grease
to allow easy movement. If necessary, the powder coat on the push-pull
tube may be smoothed in the contact area with a Scotch-Brite Pad.
8.
Check elevator push-pull tube assembly for smooth operation.
