09/11/2018
RANS S-21 OUTBOUND
TEXT MANUAL
53
TRIM SERVO INSTALLATION
(AFTER PAINTING OF THE ELEVATOR AND TRIM TAB)
The trim servo will attach to the elevator trim servo ribs inside elevator with nut
plates.
1.
The Servo Ribs should have been drilled to #11 and nut plates installed during
elevator assembly. If not, do so now.
2.
Drill the 4 servo mounting holes to #20. Attach servo to ribs.
3.
Assemble servo push rod to clevises with jam nuts in place. Attach push rod
assembly to servo and trim tab horns. The push rod will be set to neutral length
during rigging.