Garmin G3X Touch Maintenance Manual
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Garmin G3X Touch Maintenance Manual

Electronic flight instrument system
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Garmin G3X Touch
Electronic Flight Instrument System
Part 23 AML STC Maintenance Manual
Contains Instructions for Continued
Airworthiness for STC SA01899WI
190-02472-02
2019
Revision 2

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Summary of Contents for Garmin G3X Touch

  • Page 1 Garmin G3X Touch Electronic Flight Instrument System Part 23 AML STC Maintenance Manual Contains Instructions for Continued Airworthiness for STC SA01899WI 190-02472-02 2019 Revision 2...
  • Page 2 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or...
  • Page 3 1979. The preceding statement is required to be included on any and all reproductions in whole or in part of this manual. The information on this document is subject to change without notice. For updates and supplemental information regarding the operation of Garmin products visit www.fly.garmin.com. Maintenance Manual 190-02472-02...
  • Page 4 FOLLOWING SOFTWARE LICENSE AGREEMENT. PLEASE READ THIS AGREEMENT CAREFULLY. Garmin Ltd. and its subsidiaries (“Garmin”) grants you a limited license to use the software embedded in the Garmin Product (the “Software”) in binary executable form in the normal operation of the Garmin Product.
  • Page 5 Ensure no dust or grit accumulates at the bottom of the display glass. The GDU 4X0 display uses invisible infrared beams for touch detection, this makes it very important to keep the screen clean, especially along the edges. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page v...

  • Page 6: Table Of Contents

    5.7 Transponder Alert Messages .................... 46 5.8 Loss of Navigation Information (External Navigators) ............46 5.9 Garmin GFC 500 Failure Messages ................. 47 5.10 Loss of Non-Garmin Autopilot Heading and/or Course Datum ......... 47 5.11 Miscellaneous Alerts ......................47 5.12 Aircraft Harness/LRU Connectors ..................47 6.
  • Page 7 B.4 Traffic and Weather Source .................... B-6 B.5 Non-Garmin Autopilot Systems ..................B-8 B.6 Audio Panel ........................B-11 B.7 EIS Sensors ........................B-12 B.8 Antennas ........................B-15 Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page vii...
  • Page 8 Figure 5-18 – View of J242 Connector on the GEA 24 ..............55 Figure 5-19 – View of J243Connector on the GEA 24 ..............56 Figure 5-20 – View of J244 Connector on the GEA 24 ..............57 Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page viii...
  • Page 9 PAGE Table 1-1 – Required Documents ....................5 Table 2-1 – G3X Touch AML STC Installed Sensors ..............12 Table 2-2 – GDL 5XR Data Link Features and Functions ............. 13 Table 2-3 – G3X Touch and Supporting Equipment ..............17 Table 2-4 –...
  • Page 10 Table B-3 – Compatible Equipment – VHF NAV/COM ..............B-5 Table B-4 – Compatible Traffic and Weather Sources ..............B-6 Table B-5 – Compatible Equipment – Non-Garmin Autopilots ............ B-8 Table B-6 – Compatible EIS Sensors ..................B-12 Table B-7 – Supported GPS & SXM Antennas ................B-15 Table B-8 –...

  • Page 11: Introduction

    Appendix G. Information in this document is required to maintain the continued airworthiness of the G3X Touch EFIS systems. 1.1.1 Applicability This document applies to all aircraft with the G3X Touch system installed in accordance with AML STC SA01899WI. Modification of an aircraft by this STC obligates the aircraft operator to include the maintenance information provided by this document in the operator’s Aircraft Maintenance Manual and the operator’s...

  • Page 12: Organization

    Specifies return-to-service (checkout) procedures to be performed upon completion of maintenance of the G3X Touch EFIS system. Appendix A: Installation Specific Information Provides a template to record aircraft-specific installation and configuration data for the G3X Touch EFIS system. Maintenance Manual...

  • Page 13: Acronyms & Abbreviations

    Traffic Advisory System GDU: Garmin Display Unit True Airspeed GEA: Garmin Engine and Airframe Unit TAWS: Terrain Awareness and Warning System GFC: Garmin Automatic Flight Control System Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 3...
  • Page 14 VHF Omni Directional Radio Range TSO: Technical Standard Order WAAS: Wide Area Augmentation System Transmit WPT: Waypoint UAT: Universal Access Transceiver XM Satellite Radio UHF: Ultra High Frequency Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 4...

  • Page 15: Publications

    This document is required for maintaining the continued airworthiness of the aircraft. When this document is revised, each page will also be revised to indicate the current revision level. Garmin Dealers may obtain the latest revision of this document on the Garmin Dealer Resource Center website.

  • Page 16: System Description

    2. SYSTEM DESCRIPTION This section provides an overview of the line replaceable units (LRUs) installed by the G3X Touch EFIS Part 23 AML STC. The Garmin G3X Touch EFIS replaces the standard pneumatic instruments (altimeter, airspeed indicator (ASI) and vacuum attitude gyro indicator) and combines primary flight instrumentation, aircraft systems instrumentation, and navigational information, all displayed on one- or two-color Garmin Display Units (GDU) 4X0.

  • Page 17: Equipment Descriptions

    2.1.1 GDU 460 The Garmin Display Unit (GDU) 460 provides a central display and user interface for the G3X Touch EFIS Touch system. GDU 460 is a 10.6-inch landscape-oriented, panel mounted control and display unit with a GPS receiver. The GDU features a high-resolution infrared touchscreen user interface augmented by a set of dual-concentric knobs and dedicated buttons for commonly used functions.

  • Page 18: Figure 2-1 - Gdu 460 (Single Display, With Eis Optional)

    2.1.2 GDU 470 The Garmin Display Unit (GDU) 470 provides a central display and user interface for the G3X Touch EFIS Touch system. The Garmin Display Unit (GDU) 470 is a 7-inch LCD portrait-oriented panel mounted control and display unit with a GPS receiver. The GDU features a high-resolution infrared touchscreen user interface augmented by a set of dual-concentric knobs and dedicated buttons for commonly used functions.

  • Page 19: Figure 2-2 - Gdu 470

    24).  Wireless Bluetooth transceiver that can communicate with tablet computers and other Garmin devices that support Connext interface protocol. Refer to G3X Touch Pilot’s Guide for Certified Aircraft (190-02472-00) for guidance in using Connext Bluetooth connections.  CAN and RS-232 interfaces to communicate with Garmin LRUs and other devices. Refer to the appropriate sections in the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472- 01) for interconnect and configuration information.

  • Page 20: Figure 2-3 - Gsu 25D Adahrs

    GSU 25D to support computation of flight attitude and heading data. Figure 2-4 – GMU 11 Magnetometer 2.1.5 GTP 59 Temperature Probe The Garmin GTP 59 is an externally mounted temperature probe that provides raw outside air temperature data. The device is a three-wire temperature probe interface. Maintenance Manual 190-02472-02...

  • Page 21: Figure 2-6 - Gad 29B (Arinc 429 Adapter)

    2.1.6 GAD 29B ARINC 429 Adapter (Optional) The GAD 29B allows the G3X system to interface to IFR GPS navigators such as the Garmin GPS 175, GNX 375, GNS and GTN series. It also allows for interface to some non-Garmin autopilots.

  • Page 22: Figure 2-8 - Gea 24 Engine And Airframe Unit

    If a GEA 24 is installed, configured engine data and airframe parameters are displayed on the GDU. This manual only provides information for the EIS sensors that were installed by the G3X Touch EFIS Part 23 AML STC. Table 2-1 lists the sensors that are maintained in this manual. Refer to the applicable maintenance data and/or TSO manual for other sensors that are interfaced to the EIS.

  • Page 23: Figure 2-9 - Gdl 52R Data Link

    (UAT) and 1090 ES (Extended Squitter) frequency bands. When in range of a ground station, these units will receive FIS-B weather over the UAT link. The GDL 5XR products provide information to G3X Touch displays via RS-232 and to devices running Garmin Pilot™ via a Connext® data connection (via Bluetooth®). Please see additional information in the G3X Touch Pilot's Guide for Certified Aircraft (190-02472-00).

  • Page 24: G3X Optional Interfaces

    Figure 2-10 – GPS Antenna 2.2 G3X Optional Interfaces See APPENDIX B for equipment that may be connected to and interfaced with a G3X Touch system. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 14...

  • Page 25: G3X Touch Architecture Example

    (3) Maximum of two (2) COM/NAV units installed. (4) GAD 27 required for 14v airframes with EIS and may optionally be connected to PFD and GSU 25D in 14v airframes without EIS. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 15...
  • Page 26 (5) A GTS 8XX traffic system cannot be interfaced to the GDU if an ADS-B In transponder such as the GTX 345(R) or GNX 375 is installed. (6) If a non-Garmin autopilot is installed, only one external navigator (GPS and/or VHF) can be connected to G3X. A second navigator, if installed, must use a dedicated CDI and cannot interface to G3X.

  • Page 27: Electrical Power Distribution

    *Reference Section 2.1.7 for applicability. 2.4 Electrical Power Distribution Electrical load information for the G3X Touch EFIS system LRUs is provided below in Table 2-4. Appendix A of this document contains details specific to the load changes for the specific aircraft installation.

  • Page 28: G3X Control & Operation

    G3X CONTROL & OPERATION The Garmin G3X Touch EFIS is intended for Part 23 aircraft covered by the AML STC # SA01899WI. The following is an overview of G3X Touch panel-mounted units and display features that are provided by the G3X Touch EFIS.

  • Page 29: Display Modes

    20/40/40 percent display when the engine bar is present. The location of the split/full button and the format to be displayed at power up are configured in the Display Configuration page. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 19...

  • Page 30: Figure 3-2 - Split/Full Format Buttons - Gdu 460

    The location of the split/full button and the format to be displayed at start up, are configured in the Display Configuration page. Figure 3-4 – Normal Mode, Full Format – PFD w/ EIS (Example) Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 20...

  • Page 31: Figure 3-5 - Normal Mode, Split Format - Pfd W/ Eis (Example)

    470 when configured as an MFD does not have split format functionality in normal mode but is available in reversionary mode if the PFD fails. In its place the button is used to toggle between PFD and MFD functionality. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 21...

  • Page 32: Figure 3-6 - Normal Mode, Full - Mfd With Eis (Example)

    To enter configuration mode: 1. Hold down the “MENU” key on the GDU 4X0 while applying power to the aircraft, until the display shows “Configuration Mode" text. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 22...

  • Page 33: Figure 3-7 - Gdu Knob Function Example

    To change the contents of a highlighted data field, use the either the pop-up keyboard, pop-up keypad, pop-up slider bar or touch panel as applicable. Figure 3-8 – Data Entry Options (Examples) Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 23...

  • Page 34: Figure 3-9 - Configuration Mode Pages

    Using the PFD knob and data entry options as described in Sections 3.2.2.1 and 3.2.2.2 a user can navigate through different pages and page groups in the Configuration Mode. Reference the Garmin G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01) on how to make configuration changes.
  • Page 35 2. Use the “Move Selector” knob or touch panel to make selections as necessary. 3. After all configuration changes have been made, use the “Save & Reboot” page to save all changes and return to normal mode. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 25...

  • Page 37: Servicing Information

    4.2 Servicing Information G3X Touch EFIS LRUs maintenance is ‘on condition’ only. No component-level overhaul is required for the G3X Touch EFIS Part 23 AML STC installation. See section 6 for equipment removal and installation. 4.2.1 On-condition Servicing ‘ On Condition’ replacement and/or servicing should occur when an item exhibits conditions, symptoms, and/or abnormalities defined in Section 5 of this manual.

  • Page 38: Table 4-1 - Maintenance Intervals

    On Condition installation Actual or Suspected Engine/Airframe Sensors Oil Pressure Oil Temperature Manifold Pressure Removal & Replacement: 6.6.1 On Condition Carb Air Temp Fuel Pressure Fuel Flow Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 28...

  • Page 39: Visual Inspection

    4.4.1 Aluminum Foil Tape (Non-metallic Aircraft Only) Any aluminum foil tape if used in the G3X Touch installation for grounding of a GSU 25D, GEA 24, GAD 29B or GAD 27, (refer to Appendix A of this document) must be inspected every 12 calendar months.

  • Page 40: Gsu 25D Earth Magnetic Field Updates

    The GSU 25D utilizes an Earth magnetic field model which is updated once every five years. The IGRF (International Geomagnetic Reference Field) update is expected to be available from Garmin in July 2020 and every five years thereafter, as long as the GSU 25D remains a Garmin-supported product.

  • Page 41: Troubleshooting

    3. Connect an auxiliary ground power unit and apply power to the aircraft. 4. Turn ON the G3X Touch EFIS and record the system software level on the GDU start up page. 5. After the system is initialized, note any Red-X’s on the displays, ALERT messages and Red-X’s on the GDU.

  • Page 42: Can Bus Network Troubleshooting

    If the condition is not resolved by following the preceding instructions, use data in this section before contacting Garmin Product Support for additional assistance. A Garmin Field Service Engineer may ask the technician to download the fault logs via an SD card and email the logs back to Garmin to help determine the root cause.

  • Page 43: Figure 5-1 - Incorrect Can Bus Topographies

     When adding a new device to the CAN bus, evaluate proposed modifications to the CAN bus wiring connections to ensure compliance with all above requirements and the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01). 4. Ensure the CAN bus is terminated in only two locations, and only at the extreme ends of the CAN bus.

  • Page 44: Figure 5-3 - Network Error Rate (Configuration/Diagnostic Mode)

    CAN errors Network Rx Warning Increasing ≥ 1 CAN bus wiring problem Troubleshoot wiring and connection per minute issues that might create CAN errors Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 34...

  • Page 45: Gdu 4X0

    Data logging on the G3X Touch GDU may be used to help troubleshoot issues. Operational data is gathered from the G3X Touch during flight or on ground and is stored in *.csv log files on the SD card (if installed and enabled).

  • Page 46: Table 5-4 - Unit Communication Error Messages (Dual Gdu Installations)

    State of a GDU's mode pins Check for loose connections and was detected to have changed. reference the G3X Touch EFIS Part 23 “[UNIT]” network address AML STC Installation Manual (190- changed” 02472-01) for information on GDU mode pin connections “GDU COMM ERROR –...

  • Page 47: Gsu 25D Adahrs And Gmu 11 Magnetometer Troubleshooting

    Possible Cause Recommended Action Verify that the Electrical Load Analysis and Battery Capacity Analysis have been performed with satisfactory results per the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01) Sections 3.6.1 and 3.6.2. Install a GAD 27 If troubleshooting does not reveal any anomalies in the aircraft’s battery or electrical system, a GAD 27 may be...
  • Page 48 Inspect GMU 11 wiring GSU 25D and GMU 11 Ensure the GMU 11 installation is in Magnetic heading not accordance with the G3X Touch EFIS Part present 23 AML STC Installation Manual (190-02472- Communication lost between Inspect GMU 11 wiring...

  • Page 49: Figure 5-4 - Heading Failure Indication

    Magnetometer calibration (Section 7.2.1) need to be performed. If either of these is not calibrated, the ADAHRS heading, pitch, and roll may all be flagged as invalid. Calibrate the unit to the installation. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 39...

  • Page 50: Figure 5-5 - Attitude Failure Indication

     ADAHRS extended operation in no-GPS mode 8. Did the onset of the problem occur shortly after a software upload to the G3X Touch system, or shortly after a repeat of the magnetometer calibration procedure? Were there any GPS Alert...

  • Page 51: Figure 5-6 - Magnetometer Interference Test On-Screen Instructions

    5. The actions must be carried out as called for in the prepared test sequence. During calibration, a real-time value is displayed that represents the current magnetic field strength as a percentage of the maximum limit. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 41...

  • Page 52: Figure 5-7 - Magnetometer Interference Test Progress

    The magnetic deviation value is displayed to indicate the pass or fail margin of the test. Press the Done softkey to return to the Magnetometer Page. Figure 5-8 – Magnetometer Interference Test Status Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 42...

  • Page 53: Table 5-7 - Magnetometer Interference Test Sequence Example

    All Wing-Tip Lights On (simultaneous) 5:40 All Wing-Tip Lights Off (simultaneous) 5:50 Beacon On 6:00 Beacon Off 6:10 Pitot Heat On 6:20 Pitot Heat Off 6:30 Test Complete Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 43...

  • Page 54: Engine Indication Troubleshooting

    A maximum deviation value greater than 100% of the total limit in any axis indicates a problem that must be resolved. Compare the corresponding timestamps with the prepared test sequence to identify which action produced the problem. Contact Garmin for assistance in resolving the problem.

  • Page 55: Traffic Alert Messages

    Manifold pressure obstructions. inaccurate Sensor failure Replace pressure manifold sensor Notes: (1) Reference the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01) 5.6 Traffic Alert Messages Table 5-9 – Traffic Alert Troubleshooting Failure Message Possible Cause Recommended Action ...

  • Page 56: Transponder Alert Messages

     If the flight ID was entered via GTX tool, correct it. 5.8 Loss of Navigation Information (External Navigators) If VHF/GPS Navigation information is removed from the G3X Touch GDU and (in magenta) and “VFR” “ ”...

  • Page 57: Garmin Gfc 500 Failure Messages

    5.9 Garmin GFC 500 Failure Messages During operation of the GFC 500 AFCS, the G3X Touch GDU may annunciate a failure or fault that is specific to the GFC 500 Autopilot system. Refer to the GFC 500 Autopilot with Electronic Stability Protection Part 23 AML STC Maintenance Manual with Instructions for Continued Airworthiness (190-02291-01), for assistance in troubleshooting the problem.

  • Page 58: Figure 5-10 - View Of P4X01 Connector From Back Of Gdu

    A pinout arrangement of P4X02 is shown in Figure 5-11 and connector pin functions are shown in Table 5-14 Figure 5-11 – View of P4X02 Connector from back of GDU Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 48...

  • Page 59: Table 5-14 - P4X02/J4X02 Pin Functions

    RS-232 TX 4 RS-232 TX 5 RESERVED 14V LIGHTING BUS HI RS-232 GROUND 5 CAN-L CAN-H RS-232 RX 1 RS-232 TX 1 CONFIG MODULE GROUND CONFIG MODULE DATA Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 49...

  • Page 60: Figure 5-12 - View Of J251 Connector On The Gsu 25D

    GSU. A pinout arrangement of J251 is shown in Figure 5-13 and connector pin functions are shown in Table 5-16. Figure 5-13 – View of J252 Connector on the GSU 25D Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 50...

  • Page 61: Figure 5-14 - View Of J111 Connector On The Gmu 11

    Figure 5-14 – View of J111 Connector on the GMU 11 Table 5-17 – P111/J111 Pin Functions Pin Name CAN-H CAN-L RESERVED RESERVED RESERVED RESERVED AIRCRAFT POWER 1 RESERVED POWER GROUND Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 51...

  • Page 62: Figure 5-15 - View Of J271 Connector On The Gad 27

    GSU. The pre-installed lead wires are ten feet in length. Reference Table 5-18 for lead wire functions. For specific wiring information refer to G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01). Table 5-18 – GTP 59 Lead Wire Functions...
  • Page 63 This connection is only required for 14 VDC aircraft using p/n 235-00094-00 ring terminal. A terminal arrangement of TB273 is shown in Figure 5-16 and connector terminal functions are shown in Table 5-20 Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 53...

  • Page 64: Figure 5-16 - View Of Tb273 Terminal Block On Gad 27

    Table 5-21. Figure 5-17 – View of J241 Connector on the GEA 24 Table 5-21 – P241/J241 Pin Functions PIN NAME CAN HI CAN LO RESERVED Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 54...

  • Page 65: Figure 5-18 - View Of J242 Connector On The Gea 24

    EGT CYL 4 HI CHT CYL 3 HI EGT CYL 3 HI CHT CYL 2 HI EGT CYL 2 HI CHT CYL 1 HI EGT CYL 1 HI Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 55...

  • Page 66: Figure 5-19 - View Of J243Connector On The Gea 24

    TIT 1 HI or CARBURETOR TEMP HI OIL TEMP LO OIL TEMP HI BUS 2 AMPS LO BUS 2 AMPS HI BUS 1 AMPS LO BUS 1 AMPS HI Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 56...

  • Page 67: Figure 5-20 - View Of J244 Connector On The Gea 24

    FUEL QTY 3 RESERVED RESERVED FUEL QTY 4 RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED VOLTS 1 RESERVED RESERVED VOLTS 2 RESERVED RESERVED RESERVED Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 57...

  • Page 68: Figure 5-21 - View Of J291 Connector On The Gad 29B

    Figure 5-21 – View of J291 Connector on the GAD 29B Table 5-25 – P291/J291 Pin Functions PIN NAME CAN-H CAN-L RESERVED RESERVED RESERVED POWER GROUND AIRCRAFT POWER 1 RESERVED GROUND Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 58...

  • Page 69: Figure 5-22 - View Of J292 Connector On The Gad 29B

    The aircraft harness connector P5X1 is a 15-socket D-sub plug connector and interfaces to the J5X1 connector on the GMU. A pinout arrangement of J5X1 is shown in Figure 5-23 and connector pin functions are shown in Table 5-27. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 59...

  • Page 70: Figure 5-23 - View Of J5X1 Connector On The Gdl 5Xr

    RS-232 RX 2 RS-232 TX 1 RS-232 RX 1 POWER GROUND AIRCRAFT POWER RS-232 GROUND 1 RS-232 GROUND 2 MUSIC OUT LEFT AUDIO COMMON MUSIC OUT RIGHT Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 60...

  • Page 71: G3X Equipment Removal & Reinstallation

    G3X EQUIPMENT REMOVAL & REINSTALLATION This section contains basic procedures for removing and reinstalling G3X LRUs. The G3X Touch EFIS equipment part numbers approved by STC SA01899WI are in the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01).

  • Page 72: Figure 6-1 - Gdu 460 Shown, (Gdu 470 Similar)

    4. Lift the configuration module (1) out of the backshell (6) and disconnect the wiring harness (3) from the module. Inspect the wiring harness (3) and connector pins (2) for damage, loose wiring, or corrosion. Repair any defects or replace components as necessary. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 62...

  • Page 73: Figure 6-2 - Configuration Module (Pfd)

    System configuration will be automatically copied to the module by the PFD upon the first power ON after replacement. If the PFD was also replaced in conjunction with the module, system configuration and calibration will be required. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 63...

  • Page 74: Gsu 25D Adahrs

    4. Unscrew the four bolts or screws that secure the GSU 25D to the mounting location. Note the mounting orientation for reinstallation. 5. Lift the GSU 25D off the mounting location. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 64...

  • Page 75: Gmu 11 Magnetometer

    2. Disconnect the electrical connector. 3. Remove the 4 fasteners that secure the GMU 11 to the mounting location. 4. Lift the GMU 11 off the mounting location. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 65...

  • Page 76: Gtp 59 Temperature Probe

    2. Install the washer and nut. 3. Torque nut to 100 +/- 20 in-lbs. 4. Continue to section 7.4 for checkout procedures. NOTE Reference the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01) for installation of new GTP 59. Maintenance Manual 190-02472-02...

  • Page 77: Gad 27 Electronic Adapter Unit

    4. For a newly installed GAD 27, install the d-sub cover plate on unused connector. 5. Connect the connector and ring terminals to the GAD 27. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 67...

  • Page 78: Gea 24 Engine Indicating System

    3. Inspect the electrical connectors and pins for signs of damage. Repair any damage. 4. Connect the wiring harness connectors to the GEA 24. 5. Continue to section 7.6 for configuration and checkout procedures. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 68...
  • Page 79 Figure 6-8 – GEA 24 6.6.1 EIS Sensors In addition to the data in this manual and the G3X Touch EFIS Part 23 AML STC Installation Manual (190- 02472-01), replacement or re-installation of each probe/sensor and wire must be accomplished in accordance with the sensor manufacturer instructions or as recommended by the engine manufacturer.

  • Page 80: Figure 6-9 - Pressure Sensor, Coupling Mount Type

    The sensor location will vary for different carburetors. Reinstall the carburetor temperature sensor as described in Figure 6-10. CAUTION Fuel and air passages must remain free of contaminants during work near and around the carburetor. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 70...

  • Page 81: Figure 6-10 - Carburetor Air Temperature Sensor Mounting

     Fitting torque must not exceed 12 ft-lbs, or two full turns past finger tight, whichever occurs first. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 71...

  • Page 82: Gad 29B Arinc 429 Adapter

    2. Disconnect the GAD 29B connectors. 3. Remove the four screws that hold the GAD 29B to the mounting location. 4. Lift the GEA 24 off its mounting location. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 72...

  • Page 83: Gdl 5Xr Datalink

    3. Inspect the electrical connector to ensure there are no bent or damaged pins. Repair any damage. 4. Connect the electrical and coax connectors as applicable to the GDL 5XR. 5. Continue to Section 7.8 for configuration and checkout procedures. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 73...

  • Page 84: Gps Antenna (P/N 011-04036-00)

    3. Connect the GPS antenna coax cable to the back of the PFD. 4. Coil any excess coax cable and secure with cable ties. 5. Conduct return to service procedures in Section 8 as applicable. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 74...

  • Page 85: Figure 6-14 - Gps Antenna (Screw-Mounted Installation Example)

    Figure 6-14 – GPS Antenna (Screw-mounted Installation Example) Figure 6-15 – GPS Antenna (Hook and Loop Installation Example) Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 75...

  • Page 86: G3X Equipment Configuration & Testing

    PFD. If both the PFD and configuration module are replaced with new modules, configuration of the system is required. Reference Section 5 of G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-00) for configuration information.

  • Page 87: Table 7-1 - Gsu 25D/Gmu 11 Recalibration Criteria

    For a new GSU 25D or GMU 11 and if the mounting screws that secure the mounting rack is loosened for any reason affecting the orientation of the unit, ADAHRS Unit Orientation and Magnetometer Orientation respectively, must be repeated in accordance with the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01).

  • Page 88: Figure 7-1 - Aircraft Level Attitude

    4. Ensure that aircraft and ADAHRS comply with all on-screen instructions, then select the START button. 5. “Pitch/roll offset calibration in progress” will appear on the display along with calibration information. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 78...

  • Page 89: Figure 7-2 - Pitch/Roll Offset Calibration In Progress

    With the aircraft stationary, initiate the magnetometer calibration procedure as follows: 1. Start the aircraft engine per the POH/AFM. 2. Taxi the aircraft to a desired calibration area. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 79...

  • Page 90: Figure 7-4 - Compass Rose Starting Position

    Figure 7-5 – Magnetometer Calibration On-Screen Instructions 8. Follow the on-screen instructions, the dots at the end of the text will be removed as the test progresses. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 80...

  • Page 91: Figure 7-6 - Magnetometer Calibration Progress

    2. Power on the PFD in configuration mode if it is not already in configuration mode. 3. Select the ADAHRS Calibration Page. 4. Select Static Pressure Calibration. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 81...

  • Page 92: Figure 7-7 - Static Pressure Calibration

    7. At each calibration point (sea level, 10K, 20K, and optionally 30K ft), the display will present a screen that allows time to establish the calibration pressure before continuing. Figure 7-10 – Static Pressure Calibration in Progress Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 82...

  • Page 93: Figure 7-11 - Static Pressure Calibration Completion Status

    Mounting of GSU 25D at a location that is subject to severe vibrations such as near engine mounts.  Mounting screws and other hardware for GSU 25D and/or GMU magnetometer not properly attached. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 83...

  • Page 94: Gmu 11 Magnetometer

    If a new, repaired or exchange GEA 24 is installed, the correct software version and EIS configuration will be loaded automatically by the G3X GDU when power is applied to the system. Continue to Section 7.6.1. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 84...

  • Page 95: Gad 29B

    G3X GDU when power is applied to the system. Continue to Section 7.7.1. 7.7.1 GAD 29B Testing Verify external LRUs that are connected to the GAD 29B such as compatible navigators and non-Garmin autopilots are operating as intended: 1.
  • Page 96 5. Select from the drop-down list the correct drive letter of the SD card to be used for the update. Click next. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 86...
  • Page 97 6. A window will pop-up on the screen to indicating file progress. 7. Once successfully completed, a message/window similar to below will pop-up. Click Finish to finalize SD card. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 87...
  • Page 98 Software loading is performed in normal mode. Obtain the software loader card as formatted and loaded with software per section 7.9.1. This section describes the procedures needed to load software to Garmin LRUs as part of configuring the G3X system for use.

  • Page 99: Figure 7-12 - Update Software Window

    4. Scroll the Device List box and select device’s info by using the Touch Panel or a Move Selector Knob as necessary to verify the software and version numbers installed in the system. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 89...

  • Page 100: Activation Of Gdl 51R/52R Siriusxm Radio And Weather

    “Pilot Pro” is the subscribed product. NOTE Do not remove power from the aircraft during the activation process. Figure 7-13 – Data Link Page Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 90...

  • Page 101: System Return To Service Procedure

    SYSTEM RETURN TO SERVICE PROCEDURE This section provides checkout procedures to be completed after maintenance and/or repair has been performed in accordance to this manual, in order to verify the proper operation and function of G3X Touch systems. Perform the procedures as applicable to the specific installation. Procedures not applicable may be skipped.

  • Page 102: Transponder Check

    14 CFR Part 91.413, a special transponder ground maintenance test mode is provided. To access ground maintenance mode in a G3X Touch system: 1. Access the Transponder page, press the Menu key twice to access the main menu.
  • Page 103 10. Repeat step 8 for other installed COM transceivers supporting 8.33 MHz channel spacing if applicable. This COM interference test should be repeated if a second GDU is installed in the aircraft and paired with GPS antenna. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 93...

  • Page 104: Nav Receiver Check

    The CDI source field in PFD options page should also display “LOC” (or “LOC1”/“LOC2”. 4. If dual navigation receivers are installed, power off NAV 1 and power on NAV 2. 5. Repeat the steps 2 through 4 above. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 94...

  • Page 105: Ads-B Traffic Interface Check

    9. Verify that the traffic system runs a self-test and the self-test traffic pattern is displayed. 8.6 TIS-A Traffic Interface Check If a Garmin GTX 3X5 transponder is connected to the G3X Touch system and no other traffic systems covered in this manual is installed, the traffic interface is verified as follows: 1.

  • Page 106: Stormscope Interface Check

    If this is not the case, it is recommended that these checks be performed in flight within range of an FAA ground station. 1. Verify the G3X Touch EFIS is in normal mode. 2. Verify the GPS and FIS-B source is in normal mode.

  • Page 107: Gdl 51R/52R Sxm Audio Interface Check

    8.10 GDL 51R/52R SXM Audio Interface Check This procedure only verifies correct installation and activation of G3X Touch system functions. It does not activate the GDL 5XR Series XM data link radio. SiriusXM weather and radio activation is required for this check, reference Section 7.10 for instructions.

  • Page 108: Adahrs And Magnetometer Ground Checks

    (Vs0). 5. Verify that the pitot and static pressure settings used on the test set match what is displayed on the GDU. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 98...

  • Page 109: Table 8-2 - Airspeed Test Points

    Verify or correct the standby compass deviation card. 4. Repeat step 2 for each of the headings listed in Table 8-3. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 99...

  • Page 110: Garmin Gfc 500 Autopilot

    Appendix B.5. and the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01). Only those interfaces which are directly affected by the G3X Touch STC are covered by this manual; if any other autopilot modifications were performed, they are outside the scope of this STC and must be checked in accordance with the autopilot installation manual.
  • Page 111 8.14.1 Autopilot Engagement Check This section verifies that the autopilot can be engaged. 1. Verify the G3X Touch system is in normal mode. Allow the PFD to obtain a valid heading, attitude, altitude, and GPS location. 2. Verify the GPS navigator is in normal mode.
  • Page 112 9. Adjust the OBS course 20 degrees to the right of current aircraft heading. 10. Verify that the flight controls move toward the right. 11. Adjust the OBS course to aircraft heading. 12. Disengage the autopilot. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 102...

  • Page 113: G5 Miscompare Check

    8.16 EMI / RFI Check An EMC check must be conducted once the G3X Touch system is installed and all interfaces to external equipment are verified to be working correctly. The EMC check verifies that the G3X system is not producing unacceptable interference in other avionics systems and other avionics systems are not producing unacceptable interference in the G3X system.
  • Page 114 Transmit various modulating tones on each COM radio (e.g. Whistling). b. See section the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01) for details if the fuel flow indication fluctuates.

  • Page 115: Table 8-4 - Emi Victim/Source Matrix

    Anti-Collision Lt Landing Lights Gov RPM Incr / Decr Hyd System Radar Altimeter TAS/TCAS Transponder Audio Panel Autopilot / SAS <add equipment here> <add equipment here> Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page 105...

  • Page 116: Appendix Ainstallation Specific Information

    APPENDIX A INSTALLATION SPECIFIC INFORMATION A copy of this appendix must be used to record information for a specific installation of the G3X Touch EFIS Part 23 AML STC system. The completed copy must be kept with the aircraft permanent records.

  • Page 117: Equipment Locations

    A.3 Wire Routing Figure A-1 is a generic aircraft drawing to be used for documenting the wire routing for the installation of the G3X Touch EFIS LRUs. The drawing will be completed during the initial installation and maintained with the aircraft records.

  • Page 118: Figure A-1- Generic Aircraft Figure

    Figure A-1– Generic Aircraft Figure Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page A-3...

  • Page 119: Appendix Bexternal Interface Configuration

    APPENDIX B EXTERNAL INTERFACE CONFIGURATION B.1 GPS/VHF Nav Interfaces The GPS position sources listed in Table B-1 are compatible with the G3X Touch. Reference Section 3.2.2 for entering configuration and changing data on G3X units. NOTE Make configuration changes only as described in this section, changing other configuration settings is not recommended and may significantly alter the unit’s operation.
  • Page 120 Page: On Both GTNs Serial Port ‘x’: “MapMX” (PFD) Serial Port ‘x’: CHNL x Input: “MapMX Format “GTN Connext 2” (PFD) 2” CHNL x Output: “MapMX Format 2” Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-2...
  • Page 121 GTN 2. In dual GDU installations GTN, #2 may be connected to any port on the MFD) (2) Only used when a Non-Garmin autopilot is interfaced, reference applicable interconnect diagrams in the G3X Touch EFIS AML STC Installation Manual (190-02472-01).

  • Page 122: Gps Nav Interface

    B.2 GPS NAV Interface The GPS Nav position source listed in Table B-2 is compatible with the G3X Touch. Reference Section 3.2.2 for entering configuration and changing data on G3X units Table B-2 – Compatible Equipment – GPS NAV Model...

  • Page 123: Vhf Nav/Com Interface

    B.3 VHF NAV/COM Interface The navigation receivers listed in Table B-3 are compatible with the G3X Touch system. These receivers transmit data to the G3X Touch system digitally. Table B-3 – Compatible Equipment – VHF NAV/COM Model Data G3X Configuration Setting...

  • Page 124: Traffic And Weather Source

    RS-232 CH (Connected to GTX) Output: “ADS-B+ Format 1” RS-232 Port ‘x’: ‘Connext 57600 Baud” (GDU port connected to GTX) (2) For Traffic/Weather (if no other source is connected) Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-6...
  • Page 125 (4) Only one ADS-B Source maybe configured at a time. (5) If a GDL 50R/52R is installed with a GTX 33ES or GTX 335R, ensure UAT and 1090ES are enabled (green indicator). Reference the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01) for detailed configuration information.

  • Page 126: Non-Garmin Autopilot Systems

    B.5 Non-Garmin Autopilot Systems Non-Garmin autopilots listed in Table B-5 are compatible with the G3X Touch system. Table B-5 – Compatible Equipment – Non-Garmin Autopilots Model Data G3X Configuration Setting Interfacing Equipment Format Configuration Information Century 1C388* analog Analog Autopilot Configuration Page: Autopilot Type: “Century 1C388”...
  • Page 127 Autopilot Type: “Bendix King KAP 200” GPS Steering: “Enabled” GPSS Scale Factor: “1.000” KFC 150 analog Analog Autopilot Configuration Page: Autopilot Type: “Bendix King KFC 150” GPS Steering: Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-9...
  • Page 128 Autopilot Type: “S-Tec System 60” GPS Steering: “Enabled” GPSS Scale Factor: “1.000” Analog Autopilot Configuration Must be configured to operate System 65 Analog Page: with KI-525 (KCS-55) heading discrete system. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-10...

  • Page 129: Audio Panel

    This STC does not specify any configuration requirements for the audio panel to which the G3X system is interfaced. Refer to installation guidance for the selected audio panel for configuration information. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-11...

  • Page 130: Eis Sensors

    Misc Temp 1 or 2 Interface Only (various →Carb Temp (Type K manufacturers) Thermocouple) Garmin 011-04202-20 75 PSIG Brass Fuel Pressure → Interface & Kavlico P4055-5020-3 Installation (0-75 PSI) Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-12...
  • Page 131 N/A (No sensor Cylinder Lead (1.500 pulse/rev) req’d) Magneto P-lead, 6- RPM → Magneto P- N/A (No sensor Cylinder, 0.64000:1 Lead (2.344 pulse/rev) req’d) Prop Gear Ratio Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-13...
  • Page 132 RPM → Magneto P- N/A (No sensor 4-Cylinder Lead (2.000 pulse/rev) req’d) Dual Magneto P-lead, RPM → Magneto P- N/A (No sensor 6-Cylinder Lead (1.500 pulse/rev) req’d) Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-14...

  • Page 133: Antennas

    This STC provides installation approval only for the Garmin glareshield-mounted GPS Antenna (011- 04036-00), refer to the G3X Touch EFIS Part 23 AML STC Installation Manual (190-02472-01) for installation guidance. All other antennas are approved as interface only and require separate installation approval.

  • Page 134: Table B-9 - Sxm Satellite Radio Antenna Minimum Requirements

    Standard 50 Ω vertically polarized antenna with a VSWR < 1.7:1 at 978 MHz and < 1.5:1 at 1090 MHz.  TSO-C66, TSO-C74, or TSO-C112 antennas that also meet the VSWR specification. Maintenance Manual 190-02472-02 G3X Touch EFIS Part 23 AML STC Revision 2 Page B-16...

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