Rev: B
Vizion Install Appendix E C180, C182-
C182D, C185
TruTrak Doc: 255
17
Figure 3-7
2.24.
Tension the aileron cable according to the aircraft service manual.
NOTE: Proper cable tension is essential for proper autopilot performance! Use
a tensiometer to verify cable tension.
2.25.
Verify that aileron rigging is correct according to the aircraft service manual
and adjust as needed.
2.26.
Safety wire the aileron cable turnbuckle.
2.27.
Fully thread an AN345-10 on a MM3-300 rod end bearing then partially thread
the MM3-300 rod end bearing in one end of the 41” push rod (2520-062).
2.28.
Insert the push rod assembly in the aileron bellcrank inspection hole with the
rod end bearing going toward the roll servo.
2.29.
Ensure that the aileron cable is not wrapped around the 41” push rod (2510-
062) then partially thread the MM3-300 rod end attached to the aileron
bellcrank in the outboard end of the push rod.
2.30.
Have an assistant hold the yoke in the full right position and rotate the servo
arm against the outboard stop on the roll servo bracket.
2.31.
Thread the MM-3-300 rod end bearing into the servo end of the pushrod until
the pushrod is the correct length to align with the drive point on the servo arm.
2.32.
Verify that the control cable is not twisted around the pushrod.
2.33.
Attach the pushrod assembly to the Cessna 172 Roll Servo Arm (P/N 7200-
091) as shown in Figure 3-8
and torque to 20-25 in-lb.
