CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
(10) If a new rudder autopilot servo actuator has been installed, do the G3000 Baseline Software/
Coniguration Installation.
Refer to Chapter 34, Garmin Integrated Avionics System -
NOTE:
For more data applicable to the Model 525 G3000 software and coniguration
uploading procedures, refer to Section 6 and Section 8 of the Garmin G3000
Integrated Avionics System Line Maintenance Manual, P/N 190-01579-00, found in
the Introduction, Supplier Publication List.
(11) Do the Garmin GFC 700 AFCS Operational Test, Yaw Axis Check. Refer to Chapter 22, Garmin
GFC 700 AFCS - Adjustment/Test.
(12) Install the aft baggage compartment panel 321AL. Refer to Chapter 6, Access Plates and Panels
Identiication - Description and Operation.
(13) Close the tailcone baggage compartment door. Refer to Chapter 6, Dimensions and Areas -
Description and Operation.
4.
Garmin GSM 86 Rudder Autopilot Servo Gear Box (Mount) and Cables Removal/Installation
A.
Remove the Rudder Autopilot Servo Gear Box (Mount) and Cables. (Refer to Figure 401).
(1) Remove the electrical power from the airplane.
(2) Disengage the AFCS circuit breaker on the right circuit breaker panel in the cockpit.
(3) Open the tailcone baggage compartment door. Refer to Chapter 6, Dimensions and Areas -
Description and Operation.
(4) Remove aft baggage compartment panel 321AL to get access to the rudder autopilot servo
motor. Refer to Chapter 6, Access Plates and Panels Identiication - Description and Operation.
(5) Remove the rudder autopilot servo actuator. Refer to, Garmin GSA 80 Rudder Autopilot Servo
Actuator (Motor) Removal/Installation in this section.
(6)
For Airplanes -0685 and -0800 and On, do the steps that follow:
(a) Remove the clips from the turnbuckle that connects the rudder upper autopilot cable to the
aft rudder autopilot cable. Refer to Chapter 20, Safetying - Maintenance Practices.
(b) Loosen the turnbuckle to release the cable tension.
(c) Remove the rudder upper autopilot cable from the turnbuckle.
(d) For Airplanes -0685 and -0800 thru -0870 that have
NOT
incorporating SB525-27-24, put
a mark on the rudder left aft cable that shows the clamp block position for the attachment
of the rudder lower autopilot cable to the rudder left aft cable.
NOTE:
11.4 +0.50 or -0.50 Inches (289.56 +12.70 or -12.70 mm) from the center of
the rudder autopilot servo gear box.
(e) Loosen the clamp block screws and nuts.
NOTE:
Airplanes -0685, and -0800 thru -0870
NOT
incorporating SB525-27-24 use a
clamp block that is attached with screws and nuts.
(f)
For Airplanes -0685 and -0800 thru -0870 Incorporating SB525-27-24 and Airplanes -0871
and On, remove eyebolt and cable.
(g) Remove the clips from the turnbuckle that connects the rudder upper autopilot cable to the
aft rudder autopilot cable. Refer to Chapter 20, Safetying - Maintenance Practices.
(h) Loosen the turnbuckle to release the cable tension.
(i)
Remove the rudder upper autopilot cable from the turnbuckle.
(j)
Remove the bolt, washer, nut, and cotter pin from the fork end terminal that connect the
left aft rudder cable to the rudder lower autopilot cable and left middle rudder cable.
(k) Remove the lower rudder autopilot cable from the left aft rudder cable.
(l)
Remove the lower autopilot rudder cable from the left aft rudder cable.
(7) Remove the bolts that attach the rudder autopilot servo gear box to the bracket.
(8) Remove the rudder autopilot servo gear box and the cables from the airplane.
(9) If the rudder autopilot servo gear box is to be replaced remove the cable as follows:
(a) Remove the screws and the washers that attach the capstan cover to the cable guard pins.
1
Remove the capstan cover from the pins.
22-10-25
Page 402
© TEXTRON AVIATION INC.
Nov 22/2017
ICA-525-27-00005
Form 2261 Rev 1