Rans S-7S COURIER, Text Manual

Page: 168 / 203

11/19/02
09B-04
Operational check
•
Correct deflections of trim tab.
•
Visual check trim tab for twist.
•
Check free movement of trim tab through one full motion and listen for
unusual noises from servo.
RUDDER
Neutral position and cable tension
17. Verify neutral position of rudder with forward rudder pedals neutral
(visual).
18. Cable tension should be a minimum of 15 lb measured on both cables
under rear seat. Replace Rudder Return Springs as needed.
Deflections
19. For deflection measurements move pedal in cabin, hold at full travel
position and measure at rudder. Adjust stops as required.
•
Left: 28

(Tolerance is +3.0

/ -0.0

)
•
Right: 28

(Tolerance is +3.0

/ -0.0

)
Surface clearance
•
The minimum gap between rudder and vertical stabilizer is 0.060”
all the way.
•
The minimum gap between rudder and top of vertical stabilizer is
1/8”.
Operational check
20. Operate forward and rearward rudder pedals throughout full range of
travel and check for:
•
Correct rudder deflection.
•
Interference of controls, linkages, cables and rudder with other
components.
•
Excessive friction.