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190-02246-11

GI 275 Part 23 AML STC Maintenance Manual

Rev. 1

Page 5-5

5.1.3 GI 275 Re-installation

To re-install the GI 275, perform the following procedure:

1. Place the GI 275 into the instrument panel cutout.
2. Install the three screws. Torque to specifications in Figure 5-1.
3. Connect the pitot-static connections.
4. Connect the wiring connector(s) and any installed antenna wires to the back of the GI 275 and

tighten the retaining screws.

5. Perform the Configuration mode ground checks in Section 5.14.1.

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Summary of Contents for GI 275

Page 1: ...ance Manual Contains Instructions for Continued Airworthiness for STC SA02658SE Aircraft make model registration number and serial number along with the applicable STC configuration information must b...

Page 2: ...eywell International Inc 2020 SiriusXM Radio Inc Sirius XM and all related marks and logos are trademarks of SiriusXM Radio Inc All other marks and logos are property of their respective owners All ri...

Page 3: ...license The free distribution and use of this software in both source and binary form is allowed with or without changes provided Distributions of this source code include the above copyright notice...

Page 4: ...tted Purpose means operating and using the Device on which the Licensed Software is installed for the Device s intended use 2 License a License Grant Subject to the terms and conditions of this Agreem...

Page 5: ...urpose and who have been made aware of the restrictions set forth in this Agreement Licensee shall take prompt and appropriate action to prevent unauthorized use or disclosure of the Licensed Software...

Page 6: ...ce installation or professional services for the Licensed Software b Non Exclusive Each Party s rights and obligations under this Agreement are non exclusive Garmin is not precluded from marketing lic...

Page 7: ...or otherwise unenforceable provisions will be replaced by other provisions which are as similar as possible in terms to such invalid void or otherwise unenforceable provisions but are valid and enfor...

Page 8: ...190 02246 11 GI 275 Part 23 AML STC Maintenance Manual Rev 1 Page vii RECORD OF REVISIONS Revision Revision Date Description 1 1 13 20 Initial release...

Page 9: ...other approved data could result in serious injury damage to equipment or death WARNING This product contains a Lithium ion battery that must be recycled or disposed of properly Battery replacement a...

Page 10: ...3 5 Electrical Bonding Maintenance Check 3 6 3 6 Overhaul Period 3 7 3 7 Special Inspection Requirements 3 7 3 8 Application of Protective Treatments 3 7 3 9 Data Relative to Structural Fasteners 3 7...

Page 11: ...I 275 Part 23 AML STC Maintenance Manual Rev 1 Page x A 3 Equipment Location A 3 A 4 Wire Routing Single Engine A 4 A 5 Wire Routing Twin Engine A 5 A 6 Saved Configuration File A 6 A 7 Print Configur...

Page 12: ...42 Connector Looking at the Connector 4 8 Figure 4 7 GEA 24 J243 P243 Connector Looking at Connector 4 9 Figure 4 8 GEA 24 J244 P244 Connector Looking at the Connector 4 10 Figure 4 9 GEA 110 Connecto...

Page 13: ...11 Installation 5 18 Figure 5 12 GMU 44B Installation 5 20 Figure 5 13 GTP 59 Installation Aircraft with Metallic Skin Example 5 22 Figure 5 14 Backup GPS Antenna Installation Non removable Installat...

Page 14: ...P241 Connector 4 8 Table 4 5 J242 P242 Connector 4 8 Table 4 6 J243 P243 Connector 4 9 Table 4 7 J244 P244 Connector 4 10 Table 4 8 J1101 P1101 Connector 4 11 Table 4 9 J1102 P1102 Connector 4 12 Tabl...

Page 15: ...ance Manual Rev 1 Page 1 1 1 INTRODUCTION 1 1 Purpose 1 2 1 2 Scope 1 2 1 3 Organization 1 2 1 4 Applicability 1 2 1 5 Publications 1 3 1 6 Revision and Distribution 1 3 1 7 Terminology and Acronyms 1...

Page 16: ...ation information specifically tailored to maintenance practices Section 3 Instructions for Continued Airworthiness Provides Instructions for Continued Airworthiness of the GI 275 system LRUs Section...

Page 17: ...noted references made to the GI 275 system will apply to an installed system with one or more GI 275 displays and all LRUs interfaced to the GI 275 s Throughout this document references will be made...

Page 18: ...ased Augmentation System CFR Code of Federal Regulations SD Secure Digital CHT Cylinder Head Temperature SDI Source Destination Identifiers DC Direct Current STC Supplemental Type Certificate EGT Exha...

Page 19: ...1 7 Electrical Load Information 2 4 2 2 Normal Mode Operation 2 5 2 3 Configuration Mode Operation 2 6 2 3 1 Entering Configuration Mode 2 6 2 3 2 Wireless Connectivity 2 6 2 3 3 Import Configuration...

Page 20: ...p battery 2 1 2 HSI Functionality The Horizontal Situation Indicator provides magnetically stabilized heading based on magnetometer data The HSI can provide course error and deviations to an autopilot...

Page 21: ...e aircraft POH and manufacturer This manual only provides information for the EIS sensors installed per the GI 275 AML STC Table 2 1 lists the sensors that are maintained in this manual Refer to the a...

Page 22: ...2 2 GI 275 LRU Electrical Load Notes 1 All GI 275 current draws include the GMU 11 44B and GTP 59 LRU Current Draw 1 14V System 28V System Typical Maximum Typical Maximum GI 275 Base without battery 0...

Page 23: ...dged in the menu Typically the annunciation appears in the top left of the display screen Photocell The photocell may be configured as the lighting source for the display and or knob to automatically...

Page 24: ...rt 23 AML STC Installation Manual for procedures 2 3 3 Import Configuration Configuration settings can be imported via USB using the following procedure 1 Power the GI 275 and all LRUs in the system o...

Page 25: ...on mode 2 Insert a USB drive into the USB dongle or GSB 15 if installed A USB icon should appear on the left of the display once the GI 275 has recognized the device If the icon doesn t appear after 1...

Page 26: ...a is installed the internal VFR GPS is automatically used when the primary GPS source is unavailable The GI 275 internal GPS antenna is installed on the instrument panel glareshield Only one antenna i...

Page 27: ...1 Magnetometer 2 4 5 GMU 44B Magnetometer The GMU 44B Magnetometer senses the magnetic field and sends the data to the internal ADAHRS to determine aircraft magnetic heading This unit receives power d...

Page 28: ...harged by the aircraft electrical system when not in use The backup battery is optional for GI 275 Base models and standard for GI 275 ADAHRS and ADAHRS AP models Figure 2 8 Backup Battery 2 4 8 GSB 1...

Page 29: ...ocesses the signals for the GI 275 The GEA 24 communicates with the GI 275 via RS 232 The GEA 24 is applicable to Class I II aircraft only Figure 2 10 GEA 24 Engine Adapter 2 4 9 2 GEA 110 Engine Adap...

Page 30: ...here are two options for EIS annunciators Figure 2 12 Engine Annunciator Single Figure 2 13 Engine Annunciator Separate 2 4 9 4 Carburetor Temperature Probe The carburetor temperature probe is a Type...

Page 31: ...re small sensors that are supplied with a compatible plug Depending on the installation these sensors may be used to measure oil fuel and manifold pressure Figure 2 17 Brass Pressure Sensor 2 4 9 8 St...

Page 32: ...ntenance Instructions 3 3 3 2 2 Special Tools 3 3 3 3 Maintenance Intervals 3 4 3 4 Visual Inspection 3 6 3 4 1 Aluminum Foil Tape Non metallic Aircraft Only 3 6 3 5 Electrical Bonding Maintenance Che...

Page 33: ......

Page 34: ...units and built in tests are continuously executed while the LRUs are operating Detected errors are indicated on the GI 275 display via failure annunciations system messages or a combination of the tw...

Page 35: ...he Engine Caution and Engine Warning discrete outputs to Inactive 12 calendar months AHRS Magnetic Field Model Update The GI 275 Integrated ADAHRS utilizes an Earth magnetic field model that is update...

Page 36: ...e taken to avoid scratching the surface of the display On Condition Display Backlight Over time the backlight lamp may dim and the display may not perform as well in direct sunlight conditions The use...

Page 37: ...y of these conditions are found the tape must be replaced in accordance with Section 4 of GI 275 Part 23 AML STC Installation Manual 3 5 Electrical Bonding Maintenance Check GI 275 LRU electrical bond...

Page 38: ...craft with non metallic wingtip covers must inspect the magnetometer installation for the following conditions 1 Check the GMU magnetometer body and mount for scorching soot melting pitting denting or...

Page 39: ...3 Troubleshooting Flow Charts 4 17 This section provides information to assist troubleshooting if fault codes are displayed on the GI 275 or problems occur after completing system maintenance Refer to...

Page 40: ...5 has recognized the device If the icon doesn t appear after 1 minute remove the drive and re insert it 3 Navigate to the Maintenance page 4 Press the Export Logs button 5 Select which log to download...

Page 41: ...s for all LRUs that can be installed as part of the GI 275 STC 4 2 1 GI 275 NOTE The J2752 P2752 connector is only included with GI 275 ADAHRS and ADAHRS AP models GI 275 displays have up to three con...

Page 42: ...RS 232 OUT 2 OUT 57 RS 232 IN 1 IN 19 LRU GROUND 58 USB DATA HI I O 20 LRU POWER OUT 59 USB GROUND 21 CONFIG MODULE POWER OUT 60 CONFIG MODULE CLOCK OUT 22 LIGHTING BUS HI IN 61 AIRCRAFT GROUND 23 DI...

Page 43: ...ERROR HI OUT 52 A P HEADING ERROR LO OUT 14 DISCRETE OUT 5 LO OUT 53 SPARE 15 YAW RATE HI OUT 54 BARO CORRECTION LO IN 16 HEADING SYNCRO Y OUT 55 PITCH DC OUT OUT 17 DISCRETE OUT 9 LO OUT 56 RS 232 IN...

Page 44: ...Active Low discrete outputs shall provide a connection to ground with a resistance of no more than 25 when in the active state 36 RS 232 3 GROUND 75 RS 232 OUT 3 OUT 37 DC REF IN IN 76 SPARE GROUND 3...

Page 45: ...2 2 GEA 24 The GEA 24 has four connectors J241 P241 9 pin male contact HD D sub J242 P242 25 pin female contact HD D sub J243 P243 37 pin male contact HD D sub J244 P244 50 pin male contact HD D sub F...

Page 46: ...TX OUT 6 GROUND 7 AIRCRAFT POWER 1 IN 8 AIRCRAFT POWER 2 IN 9 GROUND Pin Function I O Pin Function I O 1 RESERVED 14 CHT 6 HI CHT 2 RESIST HI IN 2 CHT 6 LO CHT 2 RESIST LO IN 15 EGT 6 HI IN 3 EGT 6 L...

Page 47: ...OUT 6 RPM 2 IN 25 FUEL XDCR 12V_2 OUT 7 RPM XDCR GROUND_1 26 GP 5V_1 OUT 8 RPM 1 IN 27 GP GROUND_1 9 RPM XDCR 12V_1 OUT 28 POS 7 TIT 2 MISC TEMP 2 LO IN 10 RPM XDCR 12V_2 OUT 29 POS 7 TIT 2 MISC TEMP...

Page 48: ...3 OUT 10 FUEL QTY 2 GROUND 35 FUEL XDCR 12V_4 OUT 11 POS 3 HI 5V_3 OUT 36 FUEL FLOW shared w Pin 23 J243 connector IN 12 POS 3 GP 3 FUEL QTY 3 IN 37 FUEL RETURN shared w Pin 21 J243 connector IN 13 PO...

Page 49: ...gure 4 9 GEA 110 Connectors Figure 4 10 GEA 110 J1101 P1101 Connector Looking at Connector Table 4 8 J1101 P1101 Connector Pin Function I O 1 AV PWR IN 1 IN 2 RESERVED 3 DISCRETE OUT 1 OUT 4 RS 485 2A...

Page 50: ...1 IN 54 GND 16 FUEL FLOW 2 IN 55 SHUNT 1 IN 17 12 VDC OUT 56 SHUNT 2 IN 18 RPM IN 1 IN 57 BUS 1 IN 19 RPM IN 2 IN 58 BUS 2 IN 20 CONFIG MOD PWR OUT 59 CONFIG MOD CLOCK OUT 21 CHT 1 IN 60 EGT 1 IN 22 C...

Page 51: ...2246 11 GI 275 Part 23 AML STC Maintenance Manual Rev 1 Page 4 13 35 SHUNT 1 IN 74 GND 36 SHUNT 2 IN 75 SPARE 37 RPM IN 1 IN 76 5 VDC OUT 38 RPM IN 2 IN 77 BUS 3 IN 39 CONFIG MOD DATA I O 78 CONFIG MO...

Page 52: ...4 4 2 4 GMU 44B The GMU 44B has one connector J442 P442 6 pin rectangular connector Figure 4 12 J442 P442 Connector Table 4 10 J442 P442 Connector Pin Function I O 1 SHIELD GROUND 2 RS 422 OUT B OUT 3...

Page 53: ...GMU 11 has one connector J111 P111 9 pin female connector Figure 4 13 GMU 11 Connector Table 4 11 J111 P111 Connector Pin Function I O 1 CAN BUS HI I O 2 CAN BUS LO I O 3 UNIT ID 1 IN 4 RS 232 IN IN...

Page 54: ...either a vertical or horizontal position The connector designation P201 or P202 is dependent on the part number but the pin numbers and functions are identical Figure 4 14 GSB 15 Connectors Table 4 13...

Page 55: ...rt messages It is recommended that system troubleshooting and repair only be completed by a Garmin authorized repair facility If a specific alert or fault condition is not listed or the fault still ex...

Page 56: ...n Maintenance Log Message Maintenance Log Message Cause Cause Corrective Action Corrective Action Corrective Action Key stuck Key knob is stuck Maintenance Log Message System detects stuck unit knob C...

Page 57: ...are failure Corrective Action Return GI 275 to Garmin for service Expansion board system fault Maintenance Log Message Expansion Board System Error Cause Bad expansion system data Failed expansion cal...

Page 58: ...Corrective Action Replace battery Run battery capacity test Battery unavailable Communication lost Maintenance Log Message Communication was lost with the battery Cause Battery not properly seated Ba...

Page 59: ...se Battery short circuit failure GI 275 charging circuitry failure Corrective Action If error self clears perform battery rundown test then fully charge battery ensure alert does not reoccur Replace b...

Page 60: ...sensor has failed Battery warning Charge inhibited Maintenance Log Message Battery overtemperature during charge protection fault Cause Corrective Action Allow battery to cool remove exposure to extr...

Page 61: ...on warning Maintenance Log Message Battery pre charge timeout fault Cause Battery charge extremely low led to additional time in pre charge mode Battery GI 275 circuitry failure Corrective Action Ensu...

Page 62: ...erform pitch roll offset calibration on all configured sources AHRS 1 2 3 Magnetic Model out of date Magnetic model is out of date Update the IGRF Magnetic Field Model Cause Maintenance Log Message Co...

Page 63: ...t match ADC 1 2 3 data is missing and cannot be compared Not enough ADC sensors to perform a comparison Multiple ADCs are configured a reported ADC airspeed difference of 7kts or more is detected Corr...

Page 64: ...and current Reload Terrain database Terrain not available due to databases Maintenance Log Message Terrain database unavailable Cause Database out of date or corrupted Corrective Action Reload or upd...

Page 65: ...has failed Corrective Action Refer to ADS B LRU manual for troubleshooting Maintenance Log Message ADS B LRU reports 1090ES traffic receiver fault Corrective Action Refer to ADS B LRU manual for troub...

Page 66: ...ective Action Troubleshoot device in accordance with TIS A LRU maintenance manual TAS TCAS function inoperative Maintenance Log Message Traffic device reported failure Corrective Action Troubleshoot d...

Page 67: ...the Stormscope Corrective Action Verify power to Stormscope Audio inoperative Maintenance Log Message Audio device failed Cause Audio device failed Corrective Action Maintenance Log Message Audio clip...

Page 68: ...e Log Message Navigation database mismatch Cause Multiple GI 275 units have different NAV database expirations Corrective Action Update databases across all units to the same date Navigation database...

Page 69: ...ify GI 275 reference voltage matches the required autopilot reference voltage Power fault Cause GI 275 internal autopilot voltage output is below threshold voltage Corrective Action Ensure GI 275 is n...

Page 70: ...afeTaxi database expired Maintenance Log Message SafeTaxi database expired Cause SafeTaxi database has expired Corrective Action Update database to the current version SafeTaxi database not yet effect...

Page 71: ...et on GI 275 is different from that on the external LRU Cause Corrective Action Ensure configured System ID on GI 275 and external LRU are the same Service required Maintenance Log Message GEA 1 2 3 4...

Page 72: ...tery 5 13 5 5 1 Backup Battery Removal 5 13 5 5 2 Backup Battery Re installation 5 13 5 5 3 Backup Battery Checkout 5 13 5 6 GSB 15 5 14 5 6 1 GSB 15 Removal 5 17 5 6 2 GSB 15 Re installation 5 17 5 7...

Page 73: ...5 14 2 Pitot Static and Airspeed Tape Settings Checks 5 38 This section provides the procedures to remove replace and re install required and optional LRUs that are part of the GI 275 system Refer to...

Page 74: ...n accordance with the instructions in Section 2 3 4 2 Power off the GI 275 and remove power 3 Remove the three screws retaining the GI 275 in the instrument panel 4 Remove the backshell connectors one...

Page 75: ...emove the backshell cover 7 from connector J2751 by removing the two screws 8 4 Remove the screw 10 securing the configuration module 1 to the backshell 6 5 Lift the configuration module 1 out of the...

Page 76: ...dure 1 Place the GI 275 into the instrument panel cutout 2 Install the three screws Torque to specifications in Figure 5 1 3 Connect the pitot static connections 4 Connect the wiring connector s and a...

Page 77: ...p tabs in the switch housing and gently pull the connector out of the module Figure 5 3 EIS Caution and Warning Annunciator Installation 5 2 2 EIS Annunciator Re installation Re installation of the an...

Page 78: ...r Re installation Re installation of the annunciators is accomplished using the following procedure 1 Insert the MS25041 assembly without lens holder from the forward side of the panel and secure 2 In...

Page 79: ...substituted by any suitable aerospace steel self locking nuts or nutplates Figure 5 5 Example GEA 24 Installation ITEM QTY PART NUMBER DESCRIPTION 1 1 011 02848 01 GEA 24 REMOTE MOUNTED ENGINE INTERF...

Page 80: ...remove the drive and re insert it 3 Touch the SW Config button then the Config Options button 4 Touch the Import Configuration button 5 Touch the Select Files button and select the appropriate aircraf...

Page 81: ...Zt W d E Z K Z K d dK D d d E Z K Z K d dK D d EhdW d d D Z s d Z E d W Z D Z E D Z s d h dzW WZ W Z d KE KZ E E d d KE KZ W Z D d WZ W Z d KE KZ E E d d KE K Z s d E Z t ZK d D E Z Z D dZh dhZ dKZYh...

Page 82: ...hE Kd Zt W d E Z K Z K d dK D d E d dZ z d E Z K Z K d dK D d EhdW d d D Z s d Z E d W Z D Z E D Z s d h dzW WZ W Z d KE KZ E E d d KE KZ W Z D d WZ W Z d KE KZ E E d d KE K Z s d E Z t ZK d D E Z Z D...

Page 83: ...aced to the GEA 110 into Configuration mode 2 Insert the USB drive containing the saved configuration into the USB dongle or GSB 15 A USB icon should appear in the bottom left of the display once the...

Page 84: ...attery Re installation 1 Lower the battery with the rubber end caps onto the GI 275 connector Ensure proper alignment and push down to seat the connector 2 The unit will automatically power on Power o...

Page 85: ...s 2 Torque 0 112 40 UNC 2A screws to 5 0 1 0 in lbf Figure 5 8 GSB 15 Cutout Installation ITEM QTY PART NUMBER DESCRIPTION 1 1 010 02201 00 GSB 15 VERTICAL UNIT OR 010 02201 01 GSB 15 RIGHT ANGLE UNIT...

Page 86: ...nting Kit 2 25 Inch Cutout ITEM QTY PART NUMBER DESCRIPTION 1 1 010 02201 00 GSB 15 VERTICAL UNIT OR 010 02201 01 GSB 15 RIGHT ANGLE UNIT 2 1 011 05043 00 SUB ASSY MOUNTING KIT 2 25 GSB 15 3 2 MS24693...

Page 87: ...Mounting Kit 3 125 Inch Cutout ITEM QTY PART NUMBER DESCRIPTION 1 1 010 02201 00 GSB 15 VERTICAL UNIT OR 010 02201 01 GSB 15 RIGHT ANGLE UNIT 2 1 011 05043 01 SUB ASSY MOUNTING KIT 3 125 GSB 15 3 2 M...

Page 88: ...th a mounting kit remove the four screws securing the mounting plate to the instrument panel refer to Figure 5 9 or Figure 5 10 3 Remove the two screws securing the GSB 15 to the instrument panel moun...

Page 89: ...n lbf 3 Nuts can be substituted by any other equivalent aerospace steel nutplates Figure 5 11 Example GMU 11 Installation ITEM QTY PART NUMBER DESCRIPTION 1 1 011 04349 01 GMU 11 MAGNETOMETER UNIT 2 4...

Page 90: ...75 directly connected to the GMU 11 2 Disconnect the GMU 11 connector 3 Remove the four screws securing the GMU 11 refer to Figure 5 11 5 7 2 GMU 11 Re installation To re install the GMU 11 perform th...

Page 91: ...190 02246 11 GI 275 Part 23 AML STC Maintenance Manual Rev 1 Page 5 20 5 8 GMU 44B Figure 5 12 GMU 44B Installation...

Page 92: ...ation properties of the mounting screws must be restored This may be done by replacing the screws with new Garmin P N 211 60037 08 If original screws are reused coat screw threads with Loctite 242 blu...

Page 93: ...Ehd d D t Z d D E WZK d D Z W Zd K dW K d WZK D z d ZD E W E D E DhD Kh Z KtE Z h Z W KWd KE Kh Z d E KE h d Z d E Z Z d E WKd dK Z DKs K d E Z Yh Z dK D Ed E dZ KE Z s d Z E d W Z D Z E D Z s d h dzW...

Page 94: ...erfaced to the GTP 59 2 Remove the mounting nut shown in Figure 5 13 3 Remove the GTP 59 from the hole 5 9 2 GTP 59 Re installation 1 Place the GTP 59 in the previous installation hole 2 Install washe...

Page 95: ...Installation Example 5 7 3 3 6 5 7 3 3 6 5 7 3 3 6 5 5 6 167580 17 3 1 67 1 EKd D E KE Z E E hE Kd Zt W d E Z K Z K d dK D d hW W Ed EE d D d E Z K Z K d dK D d EhdW d d D Z s d Z E d W Z D Z E D Z s...

Page 96: ...STC Installation Manual P N 190 02246 10 or GI 275 EIS MFD Installation Manual P N 190 02246 14 2 0 1 1 2 1 3 1 REF GLARE SHIELD INSTRUMENT PANEL EXISTING 2 2 2 NOTES DIMENSIONS ARE IN INCHES UNLESS...

Page 97: ...manual standard practices manual or practices defined in Chapter 11 Electrical Systems of AC 43 13 1B Aircraft Inspection and Repair Sensors must be connected using hoses and fittings approved as part...

Page 98: ...ust remain free of contaminants during work near and around the carburetor 5 67 1 81 7 5 3257 1 5 85 725 EKd t E E d K d E KZ d Z K h t d d E K Z hZ dKZ ZZ h t Z Z Yh Z dK W d E KZ KZ E z d d DW Z dhZ...

Page 99: ...oken side of the crush washer must face the sensor flange The sensor is torqued finger tight plus one half turn and safety wired in accordance with practices defined in Section 7 Safetying of Chapter...

Page 100: ...irectly below fittings or components that may leak flammable fluid Thread sealant or tape must be used for the NPT threads To reduce the risk of system contamination a minimal amount of sealant should...

Page 101: ...EWd W W d Z h E Ed d W Z d dtK d Z dK Z D E Z K Ed d W DW d E KZ K z d D KZ d KhW E d D dK DKhEd d E KZ 47 7 0 3 57 180 5 6 5 37 21 78 1 2 1 6 3 6 5 7 67 3 7 1 7 2 06 6 5 0 1 3 1 5266 5 66 81 1 21 06...

Page 102: ...dZ KEE dKZ WK Ed KtEt Z yy WZ hZ E KZ d E Z dd E D t d hE d Z E Z Yh Z Z Z dh KEE d KE DW d E KZ K z d D dK DKhEd DW EKd dK K s Ed K E E KZ K z WZ Ed 47 7 0 3 57 180 5 6 5 37 21 78 1 2 1 6 3 6 5 7 67...

Page 103: ...To reduce the risk of fuel system contamination a minimal amount of sealant should be applied leaving at least two threads at the end of the fitting clear of sealant tape 3 Fitting torque must not ex...

Page 104: ...gneto or the ignition switch To replace the P Lead wire remove the old section of wire and replace the entire wire and parallel resistors in accordance with the P Lead installation instructions contai...

Page 105: ...eck This procedure will analyze the voltage and discharge qualities of the installed backup battery The procedure is required to be completed on initial installation and every 12 calendar months when...

Page 106: ...attery ran down 11 For aircraft that are approved for flight over 25 000 feet a rundown time of at least 60 minutes is required to be considered a PASS For aircraft that are only approved for flight a...

Page 107: ...RUs Software updates can be accomplished via USB using the following procedure 1 Create a Software Loader Card using the latest software and instructions available on the Garmin Dealer Resource Center...

Page 108: ...the system must be powered on in Configuration mode 2 All system LRUs must be powered on 3 All installed LRUs must be configured per the printed configuration log contained in Section 5 5 14 1 1 LRU...

Page 109: ...must be completed for each system 1 Power on the GI 275 system in Normal mode 2 Using a pitot static test set increase the airspeed until the ADI airspeed tape pointer is at the bottom of the white ba...

Page 110: ...AS throughout the range of the ASI stop at the limits of all Arc Ranges and at all Marking values configured per the instructions in Table 5 4 and Table 5 5 and listed in the printed configuration log...

Page 111: ...the POH AFM or aircraft specification defined range If a WHITE arc is not defined by the AFM POH or aircraft specifications set both the Min and Max values to the aircraft stall speed in the landing...

Page 112: ...rt 23 AML STC Installation Manual Marking Description POH AFM Section Note Vle Maximum landing gear extended speed 2 Limitations Set to OFF for fixed gear aircraft BLUE BAR Typically marks the single...

Page 113: ...d to be finished after the 20 000 feet calibration if the aircraft operational ceiling is below 20 000 feet CAUTION To avoid damaging the GI 275 pressure sensors both the pitot and static ports must b...

Page 114: ...__________________ AIRCRAFT SERIAL _________________________________________________________________ AIRCRAFT REG _________________________________________________________________ Installed System GI...

Page 115: ...rial Number Mod Level GI 275 1 011 04489 GI 275 2 011 04489 GI 275 3 011 04489 GI 275 4 011 04489 GI 275 5 011 04489 GI 275 6 011 04489 GMU 11 1 011 04349 GMU 11 2 011 04349 GMU 44B 1 011 04201 GMU 44...

Page 116: ...record the fuselage station and provide a brief description of the location Unit Station Description of Location GI 275 1 in GI 275 2 in GI 275 3 in GI 275 4 in GI 275 5 in GI 275 6 in GMU 11 1 in GM...

Page 117: ...AML STC Maintenance Manual Page A 4 190 02246 11 Rev 1 A 4 Wire Routing Single Engine The following diagram depicts the wire routing for the GI 275 LRUs throughout the aircraft structure for a single...

Page 118: ...3 AML STC Maintenance Manual Page A 5 190 02246 11 Rev 1 A 5 Wire Routing Twin Engine The following diagram depicts the wire routing for the GI 275 LRUs throughout the aircraft structure for a twin en...

Page 119: ...ance records To print the system configuration log perform the following procedure 1 Save the aircraft configuration file to a USB drive refer to Section 2 1 10 2 Insert the USB drive into a computer...

Page 120: ......

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