STC GROUP LLC 480 RUDDIMAN DRIVE MUSKEGON, MICHIGAN REPORT NO REVISION D TRIO AUTO PILOT INSTALLATION INSTRUCTIONS

Transcription

1 STC GROUP LLC 480 RUDDIMAN DRIVE MUSKEGON, MICHIGAN REPORT NO REVISION D TRIO AUTO PILOT INSTALLATION INSTRUCTIONS CESSNA MODEL 182 WITH CESSNA NAVOMATIC EQUIPPED AUTO PILOT DATE: Original Issue 11 March, 2017 WRITTEN BY: Paul Odum APPROVED BY: Jeff Ley

2 STC GROUP LLC Page 1 REVISIONS Rev. Date: By: Checked By: - 10 July, 2017 Paul Odum Jeff Ley A 30 August 2017 Paul Odum Jeff Ley B 20 November 2017 Paul C. Odum Jeff Ley C 21 November 2017 Paul C. Odum Jeff Ley D 15 December 2017 Paul C. Odum Jeff Ley ER No: 1006 Section: Description All Initial Release Rev A Added Red Arrow and NOTE to Page 13. Changed roll to pitch. Page 16 NOTE. Removed references to 10062XX documents. Changed arrow types and colors. Added NOTE boxes to some depictions. Updated TOC page numbers. Rev. B Copied G Rev. M document into and Revved to Rev. B Rev. C Rev. D Formatting changes Appendices Revisions Page 1 of 33

3 STC GROUP LLC Page 2 TABLE OF CONTENTS FORMATTING CHANGES... 1 APPENDICES REVISIONS... 1 TABLE OF CONTENTS... 2 LIST OF TABLES... 3 LIST OF FIGURES... 4 List of Images... 5 REFERENCES... 6 ACRONYMS, ABBREVIATIONS, AND SYMBOLS TRIO AUTOPILOT INSTALLATION ROLL SERVO INSTALLATION OEM ROLL SERVO REMOVAL TRIO AUTO PILOT ROLL SERVO MOUNT INSTALLATION ROLL SERVO ANGLE INSTALLATION MTG PLATE - ROLL SERVO INSTALLATION TRIO PITCH SERVO INSTALLATION PITCH SERVO MOUNT INSTALLATION SERVO TRAY, PUSH PULL TUBE, POSITIONING THE SERVO ARM APPENDIX A - TRIO PRO PILOT AUTOPILOT INSTALLATION APPENDIX B DWG FROM ILLUSTRATED PARTS CATALOG APPENDIX C - DWG TRIO PRO PILOT WIRING DIAGRAM Page 2 of 33

4 STC GROUP LLC Page 3 LIST OF TABLES No table of figures entries found. Page 3 of 33

5 STC GROUP LLC Page 4 LIST OF FIGURES FIGURE 1-1 CESSNA 100 SERIES INSTALLATION LOCATIONS FIGURE 2-1 TRIO PRO PILOT ROLL SERVO INSTALLATION FIGURE ROLL SERVO MOUNTING ANGLE INSTALLATION FIGURE 2-3 ROLL SERVO FLAP CLOSEOUT ANGLE INSTALLATION FIGURE 2-4 ANGLE AND MTG PLATE FWD AFT POSITION CHECK FIGURE 2-5 ROLL SERVO MOUNTING PLATE INSTALLATION FIGURE 2-6 ROLL SERVO ANGLE TO MOUNTING PLATE ATTACHMENT FIGURE 2-7 ROLL SERVO MOUNTING PLATE AT WS INSTALLATION FIGURE 2-8 ROLL SERVO AND PUSH-PULL TUBE INSTALLATION FIGURE 2-9 ROLL SERVO INSTALLATION ON MOUNTING PLATE FIGURE 2-10 PUSH-PULL TUBE ASSEMBLY FIGURE 3-1 TRIO PRO PILOT PITCH SERVO INSTALLATION FIGURE 3-2 PITCH SERVO TRAY INSTALLATION FIGURE 3-3 PITCH SERVO SHELF & ZEE BRACKETS ALIGNMENT FIGURE 3-4 ZEE ANGLE LAYOUT FIGURE 3-5 PITCH SERVO SHELF ASSEMBLY POSITIONING FIGURE 3-6 ELEVATOR IDLER BELLCRANK PUSH PULL TUBE INSTALLATION FIGURE 3-7 PITCH SERVO PUSH PULL TUBE INSTALLATION Page 4 of 33

6 STC GROUP LLC Page 5 LIST OF IMAGES IMAGE 1 - ROLL SERVO ACCESS PANELS IMAGE INBOARD MOUNTING ANGLE INSTALLATION IMAGE 3 INBOARD ANGLE INSTALLATION AT WS 100.5' IMAGE ANGLE AND MOUNTING PLATE INSTALLATION IMAGE 5 SERVO (P/N ) HUB ROLL PIN ALIGNMENT IMAGE 6 BASEPLACE HOLES TO BE ENLARGED FOR #8 SCREW IMAGE 7 ACCESS PANEL SCREWS AND ZEE ANGLE RIVET LOCATIONS IMAGE 8 ZEE ANGLE RIVET LOCATIONS Image A-1 Groen Constant Pressure Clamp Page 5 of 33

7 STC GROUP LLC Page 6 REFERENCES The following documents form a part of this report. Unless a specific revision of one of these documents is specified, the revision in effect at the time of original issue of this document shall apply. DWG Trio Pro Pilot System Wiring Diagram Industry Specifications and Standards: 1. MMPDS-09 Metallic Materials Properties Development and Standardization 2. AC B Aircraft Inspection, Repair & Alterations Other Data: ER1006 STC GROUP LLC Program Engineering Record. Page 6 of 33

8 STC GROUP LLC Page 7 ACRONYMS, ABBREVIATIONS, AND SYMBOLS ASSY Autopilot C.G. ER FAA ICA INCH LH OEM OUTBD PCS Recover RH Servo STC WS Assembly Trio Pro Pilot Autopilot Center of Gravity Engineering Record Federal Aviation Administration Instructions for Continued Airworthiness Inches Left Hand Original Equipment Manufacturer Outboard Pilot Controlled Steering Recover Button Right Hand Trio Gold Stand Servo Supplemental Type Certificate Wing Station Page 7 of 33

9 STC GROUP LLC Page TRIO AUTOPILOT INSTALLATION Thank you for your purchase of the TRIO Pro Pilot Autopilot for your Cessna 182. This document is written to ensure your installation is easy, ensures safety, and is professionally completed. Before you begin Read All Instructions. Call Jeff Ley at The STC Group LLC at (661) call/text/phone/vm if you have hardware installation questions. Check all items included in the kit to ensure all parts are accounted for. Jeff Ley of the STC Group LLC is available Sunday through Friday. You may contact Paul Odum at (805) on Saturdays. Call Trio Avionics with all Trio Pro Pilot autopilot related questions. Trio Avionics may be reached (619) seven days per week. Installation drawings are denoted in the References section above and throughout these installation instructions. Drawings may be downloaded along with the Illustrated Parts Catalog from The STC Group LLC website at Note The aileron and elevator control surfaces must be locked into the neutral flight position before starting the installation procedure. Remove control lock first. Care should always be taken to avoid marring or scratching any surfaces of autopilot assemblies including anodized surfaces. Painters tape may be used to prevent marring hardware surfaces. Areas of modification FIGURE 1-1 CESSNA 182 SERIES INSTALLATION LOCATIONS Page 8 of 33

10 STC GROUP LLC Page ROLL SERVO INSTALLATION 2.1 OEM ROLL SERVO REMOVAL 1. Remove RH wing inspection panels located at WS 103.5, 112.0, and 144.8, Ref Figure If the airplane is equipped with the OEM installed servo, disconnect the servo electrical harness connector and servo drive cable. Remove the servo, and servo bracket installed at W.S Remove the cable guide wheel and bracket, located at RH WS by removing the attachment bolts or drilling out the attachment rivets common to the guide wheel bracket and the aft spar web. 4. Cap, coil, and stow the servo wiring harness forward of the aft spar for use as a pull string when installing the TRIO roll servo wire harness. 5. Weigh and record all removed parts for weight and balance calculations. 6. Retain the old autopilot components in a suitable storage container. Wing Access Panels WS 103.5, & IMAGE 1 ROLL SERVO ACCESS PANELS Page 9 of 33

11 STC GROUP LLC Page 10 The lower face of p/n angle is located 6.25 (approx.) from the face of the rear spar, & 3.33 (approx.) from aileron cable. Rear Spar Aileron Cable FIGURE 2-1 TRIO PRO PILOT INSTALLATION NOTE: If any issues arise during installation of the bracket assemblies or autopilot, contact Jeff Ley at The STC Group LLC immediately at (661) Page 10 of 33

12 STC GROUP LLC Page TRIO AUTO PILOT ROLL SERVO MOUNT INSTALLATION ROLL SERVO ANGLE INSTALLATION 1. Lay out and drill four (4) #40 drill size pilot holes through the Angle as shown in Section D-D of the drawing. Refer to Figure inches FIGURE ROLL SERVO MOUNTING ANGLE INSTALLATION FIGURE 2-3 ROLL SERVO FLAP CLOSEOUT ANGLE INSTALLATION Page 11 of 33

13 STC GROUP LLC Page 12 Wing Upper Skin Cleco Clamps (4) Cover WS rib with painter s tape and mark on tape Angle Lower Face of angle is located 6.25 (approx.) from rear spar & 3.33 (approx.) from aileron cable. IMAGE INBOARD MOUNTING ANGLE INSTALLATION 2. Position the Angle on the WS rib as shown in Figures 2-2, 2-3, 2-4 and Image 2. The lower forward face of the Angle should be positioned approximately 3.33 aft of the aileron cable with the ailerons locked in the neutral position from rear spar (approx) FIGURE 2-4 ANGLE AND MTG PLATE FWD AFT POSITION CHECK 3. Using the Angle as a drill locator, drill four (4) #40 drill holes, following FAA best practices, through the Angle and WS rib as shown in Figure 2-2 and Image Using 3/32 Silver P Series Temporary Cleco Clamps, secure the Angle in position as shown in Image 2. Page 12 of 33

14 STC GROUP LLC Page Enlarge all holes using a #30 drill bit. 6. Remove the Angle and deburr. 7. Deburr the four (4) W.S holes. 8. Reposition the Angle and secure it into position using 1/8 Copper P Series Temporary Cleco Clamps. 9. Install four (4) MS20470AD4-4 rivets through W.S into the Angle at W.S rib. Refer to Image 3. It may be necessary to install a single Cherry 3213 into the upper hole. Refer to the NOTE below. NOTE: If the airplane was previously modified with flap gap seals, CR Cherry Max rivets may be used in lieu of driven fasteners at all blind locations. Flap gap seals may be removed and reinstalled if driven rivets are desired. Wing Upper Skin Angle WS Rib Forward IMAGE 3 INBOARD ANGLE INSTALLATION AT WS Page 13 of 33

15 STC GROUP LLC Page MTG PLATE - ROLL SERVO INSTALLATION 1. Position the MTG Plate to and align the outboard flange of the Plate with the WS rib and the forward face of the Angle, as shown in Figure 2-5, 2-6, 2-7, and Image 4. Face of angle positioned 3.33 aft of aileron cable. See View C-C. FIGURE 2-5 ROLL SERVO MOUNTING PLATE INSTALLATION Angle WS MTG Plate Aft Pilot Hole IMAGE ANGLE AND MOUNTING PLATE INSTALLATION 2. Verify the inboard and outboard ends of the MTG Plate are located aft of the aft spar web as shown in Section D-D of Figure 2-2, Section E-E of Figure 2-7. Page 14 of 33

16 STC GROUP LLC Page 15 FIGURE 2-6 ROLL SERVO ANGLE TO MOUNTING PLATE ATTACHMENT FIGURE 2-7 ROLL SERVO MOUNTING PLATE AT WS INSTALLATION 3. Using the Angle holes as a guide use a center punch, or equivalent, to mark the hole locations into the MTG Plate. Refer to Figure 2-6, View G-G, and Image Remove the Mounting Plate and drill (2) #17 drill size holes at the marks using the three-step method. #51 (or #40), #30, #17 drill bits. 5. Secure the Mounting Plate to the Angle using the appropriate clamps or as shown in Image 4. Page 15 of 33

17 STC GROUP LLC Page 16 NOTE: A drill press if preferred to this operation. Accuracy is critical for this step. 6. Verify that the Forward to Aft position of the Mounting Plate is positioned as shown in Figures 2-5, and Center punch through the Mounting Plate return flange nutplates onto WS rib. Refer to Figures 2-6, and Pilot drill two (2) #40 holes. 9. Reposition the servo mounting plate and check for fitment. 10. If fitment is acceptable enlarge the holes using a #17 drill bit. 11. Remove the Servo Mounting Plate and deburr all drilled holes. 12. Reinstall the Servo Mounting Plate using the suppled MS screws. Torque to the proper specification. 13. Install the Trio Roll Servo and Push Pull tube assembly as shown in C-C & F-F of Figure 2-8, G- G of Figure 2-9, and H-H of Figure Use the hardware supplied in the kit and torque to the proper specifications. NOTE: The Push-Pull Tube attachment will vary according to the year of the aircraft. Later model 172 aileron bellcranks allow the rod end to be positioned between the bellcrank arms. Earlier models may require the rod end to be positioned either on top or below the aileron bellcrank arm. 14. Apply torque seal to all jam nuts and screws after tightening. This applies to entire installation. 15. Apply blue Loctite 242 to all M3x.5x10mm screws before installation. Mark screws with torque seal. 16. All bolts and nuts that retain the spherical rod ends should be set for the proper preload (backlash) before the cotter pins are installed. Roll Servo P/N FIGURE 2-8 ROLL SERVO AND PUSH-PULL TUBE INSTALLATION Page 16 of 33

18 STC GROUP LLC Page 17 FIGURE 2-9 ROLL SERVO INSTALLATION ON MOUNTING PLATE FIGURE 2-10 PUSH-PULL TUBE ASSEMBLY Page 17 of 33

19 STC GROUP LLC Page 18 NOTE: The Roll Servo (P/N ) hub roll pin hole must be aligned with the servo stop as shown in Image 4 before attaching the crankarm to the hub. Servo Hub Roll Pin Hole Servo Stop Roll Servo p/n IMAGE 5 SERVO (P/N ) HUB ROLL PIN ALIGNMENT NOTE: The four (4) outer baseplate holes must be enlarged for #8 screws using a #18 drill bit. Enlarge outer holes for #8 screw 4 places IMAGE 6 BASEPLACE HOLES TO BE ENLARGED FOR #8 SCREW Page 18 of 33

20 STC GROUP LLC Page TRIO PITCH SERVO INSTALLATION Servo Arm at 1 O clock position Facing Passenger Cabin Pitch Servo P/N FIGURE 3-1 TRIO PRO PILOT PITCH SERVO INSTALLATION NOTE: The Pitch Servo arm must face forward towards the passenger cabin at approximately the 1 o clock position. See Red arrow in Figure 3-1. Page 19 of 33

21 STC GROUP LLC Page PITCH SERVO MOUNT INSTALLATION 1. Secure the Pitch Servo Mounting Tray, p/n , to the ZEE Angles, p/n , using four (4) Silver 3/32 P Series Cleco Temporary Fasteners. Refer to Figure 3-2, view B-B. FIGURE 3-2 PITCH SERVO TRAY INSTALLATION FIGURE 3-3 PITCH SERVO SHELF & ZEE BRACKETS ALIGNMENT 2. Remove (10) fasteners that secure the bottom empennage access panel as shown in Image 7. Page 20 of 33

22 STC GROUP LLC Page 21 IMAGE 7 ACCESS PANEL SCREWS AND ZEE ANGLE RIVET LOCATIONS 3. Position the Pitch Servo Tray Assembly between the left hand and right-hand stringers and slide the assembly aft until the ZEE Angle vertical inner faces are coincident (snug) with the stringers as shown in View C-C in Figure 3-4 and Figure 3-5. FIGURE 3-4 ZEE ANGLE LAYOUT Page 21 of 33

23 STC GROUP LLC Page 22 NOTE: Verify that the distance between the aft end of the Pitch Servo Tray, p/n , and FS frame web shown in View B-B in Figure 3-2 is approximately Variations may occur between aircraft and are normal. FIGURE 3-5 PITCH SERVO SHELF ASSEMBLY POSITIONING 4. Mark the AFT and FORWARD ends of the ZEE Angles with a permanent marker or equivalent. 5. Identify the existing OEM belly skin-stringer fasteners that are present between the marks made in Step 4. NOTE: Skin-stringers fasteners must align with the ZEE angles with a minimum edge distance of 0.20 inch from the ends and edges of the ZEE angles. Fasteners that will intersect the ZEE angles less-than 0.20 inches are to be omitted. 6. Remove a minimum of four (4) rivets between the marks made in Step 4 on the LH and RH belly skin stringers as shown in View C-C of Figure Replace the removed rivets with Silver 3/32 P Series Cleco Temporary Fasteners. Caution: Take care to prevent enlarging the fastener holes when drilling off rivet heads. 8. Re-position the Pitch Servo Tray and back drill the ZEE Angles using the removed belly skinstringer rivet holes as locaters. Use a #40 drill bit for this step. NOTE: A Magnavon bushing, or equivalent drill guide should be used to drill through the fuselage skin rivet holes into the ZEE Angles. This practice will prevent hole enlargement. Page 22 of 33

24 STC GROUP LLC Page It is recommended to drill through the two (2) forward rivet holes first and secure the ZEE Angles to the fuselage and stringers using Silver P Series Temporary Fasteners. 10. After completing Step 9 back drill the AFT rivet holes and secure the ZEE Angles using Silver P Series Temporary Fasteners. 11. After completing Steps 9 and 10 back drill the remaining holes into the ZEE Angles and secure using Silver P Series Temporary Fasteners. 12. After back drilling is complete remove the Clecos and remove the tray assembly from the aircraft. 13. Disassemble the tray assembly and enlarge all holes drilled above using a #30 drill bit. 14. Deburr all holes and remove a debris before proceeding. 15. Match drill the (4) pilot holes in the Pitch Servo Tray and ZEE Angles using a #17 (0.173) size drill bit. 16. Install the four (4) MS21075L08N #8-32 nutplates supplied in the hardware kit. 17. Install two nutplates on each of the return flanges of the ZEE angels as shown in View B-B of Figure Cleco the ZEE Angles into position and rivet into position. 19. MS20470AD4-4 driven rivets or Cherry Max CR rivets may be used in lieu of driven rivets. 20. Secure the servo tray to the ZEE Angles using four (4) MS screws supplied in the hardware kit. Typical OE Skin-Stringer Fasteners Elevator Inspection Panel IMAGE 8 ZEE ANGLE RIVET LOCATIONS Page 23 of 33

25 STC GROUP LLC Page SERVO TRAY, PUSH PULL TUBE, POSITIONING THE SERVO ARM 1. Mount the Pitch Servo to the servo tray. 2. Attach the push pull tube to the elevator idler bellcrank using the hardware supplied in the pitch servo kit. Refer to Figures 3-1 and 3-6. FIGURE 3-6 ELEVATOR IDLER BELLCRANK PUSH PULL TUBE INSTALLATION FIGURE 3-7 PITCH SERVO PUSH PULL TUBE INSTALLATION 3. Install the pitch servo to the pitch servo tray using the MS fasteners supplied in the pitch servo hardware kit. 4. Position the servo arm as shown in Figure 3-1. The servo arm should face towards the front of the aircraft at approximately the 1 o clock position. 5. Attach the push pull tube to the servo arm using the hardware supplied. Refer to Figure Verify push pull tube has proper clearance from control cables. 7. Due to manufacturing differences, there may be a clearance problem with the lower pitch cable. If there is an interference, perform Step 9 otherwise skip to step 17. Page 24 of 33

26 STC GROUP LLC Page It is recommended to cover elevator control cable closest to the servo arm assembly with I.D. tubing available at any hardware store. Chafing can be checked when performing annuals inspections of the servo assembly. 9. If there is interference with the cables, the pitch servo tray mounting holes may be elongated by approximately 0.15 so that the tray sits more to the starboard side of the aircraft. 10. Contact the STC Group prior to performing any modifications to the pitch servo installation. The following modification should correct any manufacturing differences between aircraft years. 11. Un-mount the servo but leave the unit assembled. Remove the pitch servo tray. 12. Mark the tray and center punch. 13. Drill a pilot hole using a #51 drill bit in that location. 14. Using a #17 drill (0.173 ) enlarge the pilot hole. 15. Deburr and reinstall the pitch servo tray. 16. Mount the servo and recheck clearances. If a problem remains recheck push pull tube assemble for correct positions of spacers and washers. If the problem continues contact The STC Group for technical support. 17. Tighten down all screws once aligned. 18. Check for full range of motion on pitch controls and recheck for clearance on the cables. Page 25 of 33

27 STC GROUP LLC Page 26 APPENDIX A - TRIO PRO PILOT AUTOPILOT INSTALLATION NOTE Prior to plugging harness DB9 or DB37 into servos or autopilot control perform a full power, ground, and data test on the harness by ringing the wires from plug to plug using PRO PILOT WIRING HARNESS DWG or latest approved version. Refer to Appendix B. Call Trio Avionics at if you have additional questions or need assistance. The Trio Pro Pilot autopilot controller must be integrated with the aircraft pitot and static system. A pitot and static system test must be performed prior to opening the pitot and static system. Roll Servo Harness Installation 1. Remove interior trim panels on cockpit passenger side 2. Remove existing Cessna factory autopilot wiring and set aside for weighing if so equipped. 3. Route Trio Harness Roll servo wiring along same path and using the same clamps as factory autopilot wiring. 4. Take care to protect harness pins at end of harness. 5. Terminate supplied DB9 connector per Trio diagram. 6. Attach DB 9 connector to Trio Roll Servo. 7. Secure harness cable end at the servo end with supplied clamp or equivalent. Pitch Servo Harness Installation 1. Remove co-pilot seat 2. Route Trio Harness Pitch servo wiring under cockpit floor taking care to secure away from other aircraft wiring and moving components. 3. Route harness to Trio Pitch Servo location. 4. Take care to protect harness pins at end of harness. 5. Terminate supplied DB9 connector per Trio diagram. 6. Attach DB 9 connector to Trio Roll Servo. 7. Secure harness cable end at the servo end with supplied clamp or equivalent. Trio Autopilot Controller 1. The Trio autopilot controller is ordered in Panel Mount or Instrument Mount versions. 2. The Trio autopilot controller will support 12 to 30 volts. 3. The Trio controller is provisioned with Pitot and Static ports. 4. A pitot static system check must be performed before installation to verify system operation and integrity. 5. The Trio Pro Pilot autopilot controller is provisioned with Pitot and Static ports on the rear of the controller. 6. The controller pitot and static ports must be integrated (plumbed) into the aircraft pitot and static systems. 7. Every aircraft Pitot and Static system is different. The following are for example only as the aircraft systems will vary. 8. The following components, or equivalent, will be used in most installations.: Page 26 of 33

28 STC GROUP LLC Page 27 a. Tygon tubing. 2 each x 24 pieces. Aircraft Spruce P/N , or equivalent. b. Nylo Seal fittings. 2 each. Aircraft Spruce P/N 264-N04. c. Nylo Seal Inserts. 8 each. Aircraft Spruce P/N 259-N04. d. Groen ¼ constant pressure clamp or equivalent. 2 each. Refer to Image Extend the pitot & static hoses & cable connector through the tray and out through the front of the instrument panel to allow for ease of servicing. 10. Mate the pitot and static hoses to the control head. 11. Apply constant pressure clamps to secure pitot and static connections at the rear of the autopilot controller. Refer to Image Mate the 37 pin D connector to the control head using the screws provided. 13. If using an Instrument mount control head secure the control head using #6 brass instrument screws. 14. If using a Panel mount control head slide the control head into the tray, then tighten the securing screw. Do not over tighten control head in the tray. 15. It is required that a pitot and static system leak test is performed after autopilot installation. 16. Install the controller using best practices in either panel or hole locations. Refer to AC for this step and all following steps. 17. Utilize Trio DWG and Appendix B for the following steps. 18. Install supplied 5 ampere circuit breaker within easy reach of the pilot and label per If a Panel Mount unit is ordered install the supplied power switch and label. 20. Terminate supplied DB37 connector per Trio drawing in Step Terminate wiring with aircraft GPS or handheld. 22. If ARINC 429 is available from GPS terminate ARINC 429 connections. 23. Install the supplied PCS button on the left side of the pilots control yoke and label PCS. 24. Install Recover button in an available convenient location within easy reach of the pilot and label AP Recover. 25. Ensure that the analog alarm out is connected to the un-switched audio input on the Audio Panel. 26. Install Limitation Placard, P/N , supplied in plain view of Pilot. Trio Autopilot Data Connections 1. For the RS-232 connection set the output at the GPS unit to "Aviation w/ no altitude" or NMEA 0183 OUT. 2. If your aircraft is equipped with a GPS that has ARINC 429, set unit to output "GAMA" Low Speed. 3. Prior to making the connections to the GPS unit in the aircraft determine what else is connected. 4. It may be necessary to parallel the connections. a. If parallel connections are required, verify that the lines you are connecting to use, or can use, the same data format that is required. 5. Both the RS-232 and the ARINC 429 can be paralleled with like connections. Page 27 of 33

29 STC GROUP LLC Page 28 Trio Initial Setup and Checks 1. Refer to The Avionics Addendum Section 10 for initial checks and setup of the autopilot installation. 2. Autopilot gain settings have been programmed before shipment. 3. Individual aircraft may require fine tuning of servo gains on the first few test flights. 4. The Avionics Addendum may be downloaded at IMAGE A-1 GROEN CONSTANT PRESSURE CLAMP (OR EQUIVALENT) Page 28 of 33

30 STC GROUP LLC Page 29 APPENDIX B DWG FROM ILLUSTRATED PARTS CATALOG Page 29 of 33

31 STC GROUP LLC Page 30 Page 30 of 33

32 STC GROUP LLC Page 31 Page 31 of 33

33 STC GROUP LLC Page 32 APPENDIX C - DWG TRIO PRO PILOT WIRING DIAGRAM Page 32 of 33