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Sandel MT102, Installation Manual

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Sandel MT102 Installation Manual Download Page 31

Instructions for Continued Airworthiness  

82011-IM, REV J 

Sandel SG102 & MT102 Installation Manual 

Page 8-1 

8

 

Instructions for Continued Airworthiness 

The following is a summary of the Instructions for Continued Airworthiness prepared under the 
guidelines of FAA Advisory Circulars 23.1309-1(C) and 25.1309-1(A) which identifies potential 
failure modes of the Sandel Avionics Model SG102 AHRS.  The assumption made is that the function 
of the SG102 will be used as a gyroscopically stabilized magnetic direction instrument (DG). 

No scheduled maintenance required.  

 

Summary of Contents for MT102

Page 1: ...tem Including SG102 D Digital SG102 MOD 2 with High Speed ARINC 429 and Reduced Initialization Time MT102 Magnetic Transducer Accessory Sandel Avionics Inc 2401 Dogwood Way Vista CA 92081 Phone 760 727 4900 FAX 760 727 4899 www sandel com support sandel com ...

Page 2: ...82011 IM REV J Sandel SG102 MT102 Installation Manual Page ii This page intentionally left blank ...

Page 3: ...perational Specifications SG102 MOD 2 SG102 D 2 5 2 5 4 Operational Specifications 2 5 2 5 5 Arinc 429 Labels SG102 MOD 1 2 6 2 5 6 Arinc 429 Labels SG102 MOD 2 SG102 D 2 6 3 Installation 3 1 3 1 Unpacking and Inspecting Equipment 3 1 3 2 Installation Planning 3 1 3 2 1 General Considerations 3 1 3 2 2 Mounting Orientation 3 1 3 2 3 Mounting Base Alignment 3 1 3 2 4 Bendix King KG102 Replacement A...

Page 4: ... Error Codes 7 2 8 Instructions for Continued Airworthiness 8 1 9 Appendix A Post Installation Procedures 9 1 10 Appendix B Environmental Qualification 10 1 11 Appendix C Sample FAA Form 337 11 1 12 Appendix D Sample Airplane Flight Manual Supplement 12 1 13 Appendix E Checkout Procedures 13 1 13 1 Functional Ground Test Procedures Report 13 1 13 1 1 Introduction 13 3 13 1 2 Physical Installation ...

Page 5: ... 3 2 SG102 0xx w MOD 1 1xx 2xx 3xx installed in Mounting Base Assembly 3 6 Figure 3 3 SG102 XXX w MOD 2 installed in Mounting Base Assembly 3 6 Figure 3 4 SG102 X5X SG102 D installed in Mounting Base Assembly 3 6 Figure 5 1 MT102 showing alignment arrow 5 2 Figure 6 1 SG102 mounting orientations 6 2 Figure 7 1 SG102 LED display 7 1 ...

Page 6: ...ility Images updated to include SG102 D Updated for SG102 D Updated for effectivity Updated for SG102 D Typo corrected LED Error Code table updated Updated for SG102 D List of effective drawings updated G2 6 FEB 2014 REV History 2 2 G1 section 2 4 2 reference changed to 2 5 2 Section 2 2 Mod Levels corrected G1 3 FEB 2014 2 5 2 5 2 2 2 14 Cover text updated ARINC Label table updated Startup curren...

Page 7: ...vironmental Qualification Forms Removed aerobatic limitation mod1 E 11 FEB 2009 1 212 Update limitation note Limitation modified for reversionary or backup display D 06 NOV 2008 7 1 12 Changed initialization time Changed sample AFMS section IV C 30 OCT 2008 Cover Rev History 2 2 2 2 3 2 4 1 3 3 1 3 7 7 1 12 13 1 4 14 Updated Format Added model number substitution notes Removed the A from part numb...

Page 8: ...ns technical characteristics components approval procedures installation considerations setup procedures checkout procedures and instructions for continued airworthiness for the SG102 This revision of the SG102 Installation Manual is applicable to the following SG102 models SG102 MOD 1 SG102 MOD2 SG102 D For information pertaining to the SG102 MOD 0 please refer to 82011 IM revision G The SG102 re...

Page 9: ...nd stay level during most flight maneuvers This means that a mechanical DG installed non level will work properly however installing with the SG102 without checking the mechanical alignment will not work Make sure the SG102 is mechanically aligned Once correctly installed the SG102 mounting base is designed to allow removal and replacement of the SG102 without realignment The 4 quadrant compass ca...

Page 10: ...tallation approval procedures is provided for filing with authorities 2 2 MOD Levels The SG102 models covered in this Installation Manual have been produced in several variations over time As indicated on TSO label SG102 MOD 1 Shock Mount Base Increased Roll Rate SG102 MOD 2 Rigid Base Provides High Speed ARINC 429 initialization time is reduced SG102 D Rigid Base All digital MOD 1 and MOD 2 units...

Page 11: ...2 is accessed by the Installation Calibration Software See section 6 2 3 2 Install Kit 2 3 3 Bill of Materials SG102 Install Kit Description SPN Fixed Wing Piston Aircraft MT102 000 Fixed Wing Turbine Aircraft MT102 100 Helicopter MT102 200 All Variants MT102 300 Description SPN SG102 Installation Kit 90171 IK Description SPN QTY Installation Software CD includes Installation Manual 82011 INCD 1 H...

Page 12: ...43 or the applicable airworthiness requirements 2 4 4 Installation and Operational Approval Procedures For the purpose of seeking installation approval declarations should be made in the Description of Work Accomplished section of a Federal Aviation Administration FAA Form 337 or other field approval or other limited supplemented type certification form A sample Form 337 is included in the Appendi...

Page 13: ...ght 2 53 in 6 4 cm Length 6 3 in 16 0 cm excluding mating connector Weight 1 65 lbs 75 kg including connector CG 2 54 from forward face 1 1 from bottom of mounting surface SG102 MOD 2 Item Dimension Width 5 0 in 12 7 cm Height 2 53 in 6 4 cm Length 6 3 in 16 0 cm excluding mating connectors Weight 2 4 lbs 1 08 kg including connectors CG 2 54 from forward face 1 1 from bottom of mounting surface SG...

Page 14: ...imits 250 º sec Initialization Time Approximately 1 Minute Standard day ARINC 429 Low or High Speed Item Spec Static Pitch and Roll Accuracy 35º typical initial 2 º typical after 10 minutes Dynamic Pitch and Roll Accuracy 1º typical Static Heading Accuracy 1º typical after calibration Dynamic Heading Accuracy 4º during maneuvers Body Rate Limits 150 º sec Body Acceleration Limits 5g rms typ see en...

Page 15: ...ed 30 Hz min 320 Magnetic Heading 30 Hz min 324 Pitch Attitude 30 Hz min 325 Roll Attitude 30 Hz min 332 Body Lateral Acceleration 30 Hz min 350 Maintenance 1 Hz 351 Maintenance 1 Hz 352 Maintenance 1 Hz 353 Maintenance 1 Hz 354 Maintenance 1 Hz Label Definition Repetition Rate Low Speed High Speed 155 Maintenance 1 Hz 1 Hz 270 Discrete 25 Hz min 50 Hz min 300 Compass Heading averaged 25 Hz min 50...

Page 16: ...red connectors and associated installation hardware are supplied by Sandel in the Installation Kit 3 2 2 Mounting Orientation The SG102 supports various mounting orientations See section 3 4 below These orientations provide flexibility in locating the position of the output connectors in relation to existing harnesses Ensure that the 4 LED s on the front of the unit are visible after installation ...

Page 17: ... installation from a KG102 to an SG102 interfaced to either a Sandel SN3500 or SN4500 you must remove connections between the c j and n pins 3 3 Installation Considerations 3 3 1 General The SG102 installation should conform to customer requirements and airworthiness standards affecting the location and type of installation For installation refer to Drawing No 90171 05 titled Installation SG102 fo...

Page 18: ...te without the MT102 connected Any application which requires operation without a magnetic reference will not work with the SG102 Note The SG102 will not initialize unless it has communication with the MT102 The SG102 will flag if communication is removed from the MT102 3 3 6 Inverter Outputs The SG102 contains an internal sine wave inverter The inverter load is limited to 5VA which is sufficient ...

Page 19: ... of three feet from high noise sources and not routed with cables from high power sources D The pinout descriptions will assist you in determining installation requirements Adhere to all notes within these descriptions and on installation wiring diagrams E Ground Bonding In order to assure installation characteristics match the DO 160 RF and Lightning test conditions ensure that ground wires of at...

Page 20: ... the SG102 mounting base to reproduce the same pitch and roll tilt angle as the airframe Tighten the base mounting screws friction tight Step 5 Adjust the longitudinal axis of the mounting base so that it is parallel with the longitudinal axis pencil line Align Visually Step 6 Tighten the mounting screws Make sure these are going into self locking nutplates The base should be extremely stiff and s...

Page 21: ... D installed in Mounting Base Assembly 3 8 Post Installation Summary Prior to installing the SG102 a point to point continuity check of the wiring harness should be accomplished to verify proper wiring See FUNCTIONAL GROUND TEST PROCEDURES REPORT in the appendix for verification of this step and other checks Apply power to the SG102 and check that the status lights indicate correctly See section 7...

Page 22: ...t Connect 4 n c Do Not Connect 22 26VAC Inverter Out Out 26VAC out 14 Hdg X Out Out Arinc 407 Out Z GND 5 Hdg Y out Out Arinc 407 Out Z GND 23 Gnd Out Shield Signal Gnd 15 Valid Gnd Out Open Collector 6 Invalid Gnd Out Open Collector 24 Slaving Meter Out 5vdc 1k ohms 16 Manual CW Sw In In Ground to operate 7 Manual CCW Sw In In Ground to operate 25 Slaving Off In Ground to operate 17 Signal Ground...

Page 23: ...nused e Aircraft Power In F 15 VDC f Unused H 15 VDC h Unused J Unused j CW Sw In K 15 VDC k Slaving Meter Out L Stepper C GND OPEN M Unused m Unused N Stepper D GND OPEN n CCW Sw In P Stepper A GND OPEN p 26 VAC Out R Unused r Unused S Stepper B GND OPEN s Unused T 5 0 VDC t Signal Gnd U Unused u Unused V Signal Gnd v Slaving Ct In W Signal Gnd w Unused X Unused x Unused Y Signal Gnd Z Unused Out...

Page 24: ... power This simplifies installation in retrofit applications It is often the case that the original fluxgate wiring is routed to an existing HSI and not to the existing Gyro In this case the MT102 wiring must be extended to reach the SG102 AHRS See the installation drawings for details 5 4 Installation The MT102 must be installed in alignment to the axis of the aircraft In the event that the mount...

Page 25: ...sealed CPC connector which adds to the water proofness of the installation Use care when crimping and sealing the mating connector as if this is done incorrectly it will be the weak point in the installation 5 5 1 Pinouts Outside View Mating Connector Pin Name Signal Type 1 PWR 6 6 VDC unregulated Power input 2 GND Power Ground 3 Shield Shield Ground 4 GND Shield Ground 5 Unused 6 Shield Shield Gr...

Page 26: ... the serial number and software version of the SG102 and MT102 Selecting the default SG102 mount orientation Compass calibration Selecting Arinc 429 enhanced maintenance labels Selecting Arinc 429 Hi Low Speed For SG102 MOD 2 and SG102 D See 82011 ICUG SG102 Installation Calibration Utility User Guide for use of this software Any time changes are made to the SG102 setup or calibration an entry mus...

Page 27: ...Setup Procedures 82011 IM REV J Sandel SG102 MT102 Installation Manual Page 6 2 Figure 6 1 SG102 mounting orientations ...

Page 28: ... with the Sandel SN3500 EHSI the labels are recorded by the SN3500 Data Recording function and the resulting data files can be used by the Factory to diagnose intermittent or installation related problems The Installation Calibration Utility Software provides a means to enable disable these maintenance labels Enable only when interconnected to Sandel SN3500 or SN4500 products 6 1 6 Software Updati...

Page 29: ...ence of primary power Absence of primary power VALID ON Flash OFF Initialized and ready for operation outputs unflagged Operating in Slaving Off mode or fast slaving Not initialized outputs flagged MAG ON Fast Flash OFF MT102 Communicating and operating MT102 Non Volatile Memory Failure MT102 not communicating or operating ERROR FLASH Fast Flash OFF Power up initialization in progress shown by con...

Page 30: ...or during startup when it flashes continuously If an internal failure does occur the ERROR led will flash with a number of consecutive flashes followed by a pause The flashes will continue to repeat as long as power is applied to the SG102 and the error condition continues to exist The ERROR flash codes are as follows No of Flashes Cause 1 15v Power Supply 2 5v Power Supply 3 15v Power Supply 4 5v...

Page 31: ...f the Instructions for Continued Airworthiness prepared under the guidelines of FAA Advisory Circulars 23 1309 1 C and 25 1309 1 A which identifies potential failure modes of the Sandel Avionics Model SG102 AHRS The assumption made is that the function of the SG102 will be used as a gyroscopically stabilized magnetic direction instrument DG No scheduled maintenance required ...

Page 32: ... MT102 Installation Manual Page 9 1 9 Appendix A Post Installation Procedures After all wiring has been verified and the SG102 has been installed into the mounting base the included software must be used to set the SG102 mounting orientation and to calibrate the MT102 ...

Page 33: ...6 3 1 B PASS Operational Shock and Crash Safety 7 0 B PASS Vibration 8 0 S LM H R PASS 160E Section 8 5 1 Standard Vib Cat S Curves L and M 160E Section 8 6 HLSD Curve R SAE AS396B Zone 1 Fuselage Max Accel 5g 5 500Hz RESONANT FREQUENCIES 160E Section 8 5 1 Curve L Pre Scan X 150Hz Y 150Hz Z 150Hz Post Scan X 150Hz Y 150Hz Z 150Hz 160E Section 8 5 1 Curve M Pre Scan X 250Hz Y 225Hz Z 250Hz Post Sc...

Page 34: ... Shock and Crash Safety 7 0 B PASS Vibration 8 0 H R R BB1C C1 PASS 160E Section 8 6 HLSD Curve R 160E Section 8 7 2 Robust Curves B B1 C C1 SAE AS396B Zone 1 Fuselage Max Accel 5g 5 500Hz RESONANT FREQUENCIES Curve B Section 8 7 2 Step a and d Pre Scan X 400Hz Y 125Hz Z 110Hz Post Scan X 395Hz Y 125Hz Z 100Hz Curve C Section 8 7 2 Step a and d Pre Scan X 395Hz Y 130Hz Z 105Hz Post Scan X 410Hz Y ...

Page 35: ...160E Section 8 8 1 SoR Curve G 160E Section 8 8 3 Rondom unknown freq Curves F F1 SAE AS396B Zone 1 Fuselage Max Accel 5g 5 500Hz RESONANT FREQUENCIES Curve G Section 8 8 1 3 Step a and e Pre Scan X 190Hz Y 140Hz Z 115Hz Post Scan X 390Hz Y 90Hz Z 95Hz Curve F Section 8 8 1 3 Step a and e Pre Scan X 180Hz Y 125Hz Z 180Hz Post Scan X 240Hz Y 95Hz Z 140Hz Curve F Section 8 8 1 3 Step b and d Pre Sca...

Page 36: ...rature Variation 5 0 B PASS Humidity 6 3 1 B PASS Operational Shock and Crash Safety 7 0 B PASS Vibration 8 0 H RP R BB1 CC1EE1GJ U2 FF1 PASS 160E Section 8 6 HLSD Curves R and P 160E Section 8 7 2 Robust Curves B B1 C C1 E E1 160E Section 8 8 1 SoR Curves G J 160E Section 8 8 3 Rondom unknown freq Curves F F1 SAE AS396B Zone 1 Fuselage Max Accel 5g 5 500Hz Explosion 9 0 X n a Water proofness 10 0...

Page 37: ...c SG102 AHRS or as appropriate B The Sandel Avionics SG102 is interfaced to the following equipment 1 SN4500 Primary Navigation Display By example state the following functional interface properties C Interference and functional tests and inspections were accomplished with reference to Advisory Circular 23 1311 or as appropriate D A system design and analysis was conducted with reference to Adviso...

Page 38: ...ent This text must be modified by the installation facility to be compatible with the installed equipment SECTION I GENERAL The Sandel Avionics SG102 Attitude Heading Reference System is a compact solid state device that performs the functions of a Directional Gyro DG and as a source of Reversionary Attitude SECTION II LIMITATIONS SG102 Mod 1 software prior to 1 25 Not approved for primary attitud...

Page 39: ...mally be operated in the slaved mode If it is desired to operate in the unslaved mode select the Slaving Off position on the mode selector switch Adjust the heading clockwise or counter clockwise as needed using the manual slew switches All heading outputs will track the new heading Selecting Slaving On will return all heading outputs to the current magnetic heading and restore slaving operation I...

Page 40: ...installed in the aircraft maintenance records A copy must also be forwarded to Sandel Avionics Inc along with the Warranty Registration Form Part Number 82011 0137 which should be mailed after operational acceptance Repair Station Name _______________________________________________ Number _____________ Address or Location ____________________________ City __________________ ST _____ ZIP _______ A...

Page 41: ... Installation Manual Page 13 2 COMPANY NAME COMPANY ADDRESS TELEPHONE FAX Ground Test Procedures Report for Sandel Avionics SG102 and MT102 Installed in Aircraft make and model Registration No _____________ Serial No ______________ Document No ____________ Rev Date ...

Page 42: ...ip free re settable circuit breaker labeled AHRS is clearly visible Completed _______ Comment __________________________________ Install the SG102 into the mounting base and verify that the unit installs solidly and without obstruction Completed _______ Comment __________________________________ 13 1 3 Wiring Verification and Initial Power Up Perform a 100 continuity check of all aircraft wiring t...

Page 43: ...______________ Verify that during the initialization period the MAG LED is illuminated Completed _______ Comment __________________________________ Verify that during the initialization period the ERROR LED is flashing Completed _______ Comment __________________________________ Verify that following the initialization period the VALID LED illuminates steadily Completed _______ Comment ___________...

Page 44: ...______ Comment __________________________________ 13 2 EMI RFI Test Procedures 13 2 1 NAV COM Testing Apply power to the avionics bus and ensure that all electrical equipment including the SG102 and MT102 are operating normally Open the squelch on the primary communications radio and tune the radio to each whole megahertz frequency sequentially Attempt to discern any interference caused by the SG1...

Page 45: ..._______________________________ 13 2 2 General Testing Observe any unusual interaction between the transponder DME ADF or Marker Beacon receivers and the SG102 when switching power to any equipment Completed _______ Comment __________________________________ 13 2 3 Other Appliances Observe any unusual interaction other installed appliances such as Air Conditioner Strobes Beacons etc Completed ____...

Page 46: ...pdated note 4 82011 10 2 B Sandel SN3500 4500 Data Outputs ARINC 407 schematic updated for applicability 82011 10 3 B Bendix King KG102 Replacement MT102 Installation Block Diagram Added note 3 for applicability 82011 10 4 B Reference Only KI525 Non A with SG102 System 82011 10 5 B Reference Only KI525 A with SG102 System 82012 05 1 A Installation Instructions MT102 90171 05 1 4 C Installation SG1...

Page 47: ...sed to connect to a laptop PC during final installation calibration of the SG102 During calibration the MAINT pin must be grounded The DB9 may be remotely mounted in the cockpit if desired NOTE The DB 9 connector and MAINT pin wiring is not required if the SG102 Maintenance adapter P N 81032 is used for calibration 5 AMP 2 1 10 11 19 MT102 Rx MT102 Rx MT102 Tx GND MT102 POWER GND RS 232 RX 3 21 23...

Page 48: ...r 429 data may be routed to other equipment in the aircraft as needed The ARINC 407 heading output supports a maximum of 2 CT loads 5 The SG102 inverter output is limited to 5VA maximum load ARINC 429 Pitch Roll Heading HDG1A ARINC 429 HDG1B ARINC 429 45 3 1 SHIELD GND 3 33 SN3500 SN4500 P1 P1 SN3500 SN4500 1 ARINC 407 Synchro Heading HDG1A ARINC 407 HDG1B ARINC 407 45 3 1 SHIELD GND 3 33 SN3500 S...

Page 49: ...el SG102 KI525 KI525A MT 102 Fluxgate XYZ NEW DC POWER 2 Wire Retained CT 2 Wire retained DATA 3 Wire Re Routed BEFORE AFTER Note 1 For detail MT102 connection see sheet 1 2 Other wiring from KG102 system to drive the KI525 indicator is retained but not shown on this diagram See sheets 4 5 for detail information 3 This drawing is applicable only to SG102 MOD1 and SG102 MOD 2 units Align MT102 to A...

Page 50: ...HERWISE SPECIFIED 1 This drawing is for reference to existing KCS 55 wiring when replacing a KG102 with an SG102 For additional KCS 55 55A information consult original manufactures installation manual 2 If a KI525 indicator is not installed this wiring is not required See sheet 1 3 The KMT112 fluxgate is removed The circled items are re routed wires 4 A 5 amp circuit breaker is required If install...

Page 51: ...iginal manufactures installation manual 2 If a KI525 indicator is not installed this wiring is not required See sheet 1 3 The KMT112 fluxgate is removed The circled items are re routed wires 4 A 5 amp circuit breaker is required If installing in a 28 volt system check existing circuit breaker and replace if necessary Reference sheet 1 of this drawing set Use 22 AWG wire If power is applied to SG10...

Page 52: ...ED ON NEXT ASSY 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 REVISIONS REV DESCRIPTION APPROVED VISTA CA A 82012 M Wiley DWG NO 3T1Z4 NOTES ASME Y14 5M 1994 APPLIES 1 INSTALL UNIT IN MAGNETICALLY REMOTE MAGNETICALLY 2 STABLE AREA ALIGNMENT HOLES AND ARROW SHALL BE ALIGNED WITH AIRCRAFT ROLL AXIS WITHIN 25 MOUNT USING 3 NON MAGNETIC 6 SCREWS 3 RECOMMENDED MOUNTING HARDWARE SUPPLIED UNIT SHALL BE MOUNTED LEVEL T...

Page 53: ...ECORDING OR IN CONNECTION WITH ANY INFORMATION STORAGE OR RETRIEVAL SYSTEM WITHOUT THE PERMISSION IN WRITING FROM SANDEL AVIONICS COPYRIGHT AN UNPUBLISHED WORK SANDEL AVIONICS CAD FILE INITIAL RELEASE A ZONE 12 21 07 CATEGORY 05 DATE A R 844 TITLE NOTES ASME Y14 5M 1994 APPLIES 1 INSTALL 84051 MOUNTING PLATE IN DESIRED 2 ORIENTATION PER 82011 IM CURRENT REV SECTION 6 84051 SHALL BE ALIGNED TO AIRC...

Page 54: ...W 5 00 2 68 FRONT VIEW TOP VIEW SG102 XXX MOD 1 D C B A A B C D SCALE 1 2 NOTED SIZE CAGE CODE B REV 21 22 23 24 25 26 27 28 28 27 26 25 24 23 22 21 VISTA CA 90171 C DWG NO 3T1Z4 SHEET 2 OF 4 CAD FILE 90171 05 INSTALLATION SG102 05 CATEGORY ...

Page 55: ...5 00 2 40 2 53 FRONT VIEW TOP VIEW SG102 XXX MOD 2 D C B A A B C D SCALE 1 2 NOTED SIZE CAGE CODE B REV 31 32 33 34 35 36 37 38 38 37 36 35 34 33 32 31 VISTA CA 90171 C DWG NO 3T1Z4 SHEET 3 OF 4 CAD FILE 90171 05 INSTALLATION SG102 05 CATEGORY ...

Page 56: ...7 5 00 2 40 2 53 FRONT VIEW TOP VIEW SG102 D XXX D C B A A B C D SCALE 1 2 NOTED SIZE CAGE CODE B REV 41 42 43 44 45 46 47 48 48 47 46 45 44 43 42 41 VISTA CA 90171 C DWG NO 3T1Z4 SHEET 4 OF 4 CAD FILE 90171 05 INSTALLATION SG102 05 CATEGORY ...

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