Hangar 9 Piper Cherokee Instruction Manual page 46

Section 16: Installing the Linkages
Step 15. Slide a piece of heat shrink tubing over the end of the
balsa dowel and shrink it in place using a heat gun.
Step 16. Carefully cut away the plastic on the left side on the
tail of the fuselage where the rudder pushrod will exit.
Step 17. Insert the pushrod assembly, threaded rod first, into
the fuselage so the threaded rod exits the rudder pushrod hole.
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Step 18. Screw on a clevis 12 complete turns. Fasten the clevis
in the third hole from the inside of the rudder control horn.
Note: It's a good idea to place a piece of fuel tubing over the
clevis as extra insurance to prevent the clevis from
accidentally coming open.
Step 19. Center the rudder servo and, using a felt tipped pen,
place a mark on the unthreaded end of the rudder pushrod where
is passes the respective servo arm.
Step 20. Using Z-bend pliers, make a Z-bend at the marked
location on the rod. Cut off the excess rod.
CONTINUED