Garmin GFC 600H Flight Control System Owner's manual

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190-02081-03 April 2020 Revision 2
GFC 600H
Helicopter Flight Control System
Part 27 STC
Maintenance Manual
Contains Instructions for Continued Airworthiness
Rotorcraft Make, Model, Registration Number, and Serial Number and
accompanying STC configuration information in Appendix A must be
completed and retained with rotorcraft permanent records.
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page i
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190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page ii
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190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page iv
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190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
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190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page vi
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190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page vii
Record of Revisions
Change Description
Revision Revision Date Description
1 02/05/2020 Initial release.
2
04/28/2020
Minor change to include GMU 44B.
Section Description of Change
All
Changed references of “GMU 44” to “GMU 44( )” where applicable to include addition of
GMU 44B.
2.2.6.1
Updated Figure 2-6 GSU 75H, GMU 44, GMU 44B, and GTP 59 Sensors to include
GMU 44B.
2.2.6.5
Added RS-422 interface for GMU 44B.
Updated Figure 2-9 GMU 44 and GMU 44B Magnetometers to include GMU 44B.
2.2.6.6 Included GTN Xi units as approved source of GPS for GMC 605H.
5.1 Added new troubleshooting issues to Table 5-1 General Troubleshooting Guide.
5.4.6 Added pinout section for GMU 44B.
6.2
Corrected description for item 4 in Table 6-1 BoM for Pitch and Roll Servo Installation.
Corrected part number and descriptions for items 10 and 6 in Table 6-2 BoM for Yaw
Servo Installation.
6.5 Added Figure 6-15 GMU 44B Installation.
7.7.5 Corrected wording on when the Heading Offset Compensation Procedure is required.
A.1 Added row for GMU 44B installations.
A.2.1 Added row for GTN Xi.
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
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DEFINITIONS OF WARNINGS, CAUTIONS, AND NOTES
WARNING
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WARNING
Perchlorate Material - special handling may apply,
Refer to www.dtsc.ca.gov./hazardouswaste/perchlorate
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NOTE
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WARNING
Warnings indicate that personal injury or death is possible if the instructions are
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CAUTION
Cautions indicate that damage to the equipment is possible if the instructions
are disregarded.
NOTE
Notes provide additional information.
190-00601-06 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page ix
TABLE OF CONTENTS
1 INTRODUCTION .............................................................................................................................1-1
1.1 Purpose ......................................................................................................................................1-2
1.2 Scope .........................................................................................................................................1-2
1.3 Applicability ..............................................................................................................................1-2
1.4 Revision and Distribution ..........................................................................................................1-2
1.5 Terminology ..............................................................................................................................1-3
1.6 Reference Documents ...............................................................................................................1-5
2 SYSTEM DESCRIPTION ................................................................................................................2-1
2.1 GFC 600H Flight Control System Functions ............................................................................2-2
2.2 System Overview ......................................................................................................................2-3
2.3 Power Requirements ...............................................................................................................2-16
3 CONTROL AND OPERATION ......................................................................................................3-1
3.1 GMC 605H Mode Controller ....................................................................................................3-2
3.2 Garmin Displays (G500H Installations) ....................................................................................3-6
3.3 GMC 605H Configuration Mode ............................................................................................3-10
4 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS ........................................................4-1
4.1 Airworthiness Limitations .........................................................................................................4-2
4.2 Servicing Information ...............................................................................................................4-3
4.3 Maintenance Intervals ...............................................................................................................4-5
4.4 Visual Inspection .......................................................................................................................4-6
4.5 Electrical Bonding Check ..........................................................................................................4-8
4.6 Magnetic Field Updates ............................................................................................................4-8
4.7 Servo Arm Torque Check .........................................................................................................4-9
5 TROUBLESHOOTING ...................................................................................................................5-1
5.1 General Troubleshooting ...........................................................................................................5-2
5.2 GMC 605H Mode Controller ....................................................................................................5-4
5.3 GRS 79H or GSU 75H ADAHRS and GMU 44( ) Magnetometer ........................................5-10
5.4 Connectors ...............................................................................................................................5-14
6 EQUIPMENT REMOVAL AND RE-INSTALLATION ..............................................................6-1
6.1 GMC 605H Mode Controller ....................................................................................................6-3
6.2 GFS 83 Servo ............................................................................................................................6-5
6.3 GSU 75H ADAHRS ................................................................................................................6-19
6.4 GRS 79H AHRS ......................................................................................................................6-22
6.5 GMU 44( ) Magnetometer .......................................................................................................6-24
6.6 GTP 59 OAT Probe .................................................................................................................6-29
6.7 Collective Position Sensor ......................................................................................................6-31
6.8 Configuration Module Replacement .......................................................................................6-35
7 CONFIGURATION AND CHECKOUT ........................................................................................7-1
7.1 GMC 605H Mode Controller ....................................................................................................7-2
7.2 GFS 83 Servos ...........................................................................................................................7-3
7.3 Collective Position Sensor ........................................................................................................7-5
7.4 GSU 75H ADAHRS ..................................................................................................................7-6
7.5 GRS 79H AHRS ........................................................................................................................7-8
7.6 GMU 44( ) Magnetometer .........................................................................................................7-8
7.7 Post-Installation Calibration ......................................................................................................7-9
7.8 GFC 600H System Configuration ...........................................................................................7-21
190-00601-06 GFC 600H HFCS Part 27 STC Maintenance Manual
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8 RETURN-TO-SERVICE ..................................................................................................................8-1
8.1 Maintenance Records ................................................................................................................8-2
8.2 Configuration Mode Functional Checkout ................................................................................8-2
8.3 Normal Mode Functional Checkout ..........................................................................................8-3
APPENDIX A INSTALLATION-SPECIFIC INFORMATION .......................................................A-1
A.1 General Installation Information ..............................................................................................A-2
A.2 Interfaced Equipment ...............................................................................................................A-3
A.3 Configuration Log ....................................................................................................................A-5
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
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LIST OF FIGURES
Figure 2-1 System Function Diagram ....................................................................................................2-6
Figure 2-2 GMC 605H Mode Controller ...............................................................................................2-7
Figure 2-3 GMC 605H System Interface Overview ..............................................................................2-8
Figure 2-4 GFS 83 Servo (-11 Variant) ...............................................................................................2-10
Figure 2-5 GFS 83 Servo (-00 Variant) ...............................................................................................2-10
Figure 2-6 GSU 75H, GMU 44, GMU 44B, and GTP 59 Sensors ......................................................2-12
Figure 2-7 GRS 79H ............................................................................................................................2-12
Figure 2-8 GTP 59 OAT Probe ............................................................................................................2-13
Figure 2-9 GMU 44 and GMU 44B Magnetometers ...........................................................................2-14
Figure 2-10 Collective Position Sensor .................................................................................................2-15
Figure 3-1 GMC 605H Normal Mode Operation ..................................................................................3-3
Figure 3-2 FCS Switches .......................................................................................................................3-4
Figure 3-3 Yaw Switch ..........................................................................................................................3-5
Figure 3-4 G500H Alerts and Annunciations Layout ............................................................................3-6
Figure 3-5 GMC 605H Configuration Mode Navigation ....................................................................3-10
Figure 3-6 GMC 605H Configuration Mode Layout ...........................................................................3-11
Figure 3-7 GMC 605H Configuration Mode Map ...............................................................................3-12
Figure 3-8 GDU Configuration Mode Home Screen ...........................................................................3-14
Figure 3-9 System Management Page .................................................................................................3-15
Figure 4-1 Armature Installation (P/N 011-03367-11) ........................................................................4-10
Figure 4-2 Shear Fuse Installation .......................................................................................................4-12
Figure 5-1 Rear View of GMC 605H Backplate .................................................................................5-14
Figure 5-2 GMC 605H P6051/P6052 Connectors ...............................................................................5-14
Figure 5-3 GFS 83 P831-P/R/Y Connector .........................................................................................5-17
Figure 5-4 GSU 75H J751 Connector ..................................................................................................5-18
Figure 5-5 GSU 79H J791 Connector ..................................................................................................5-20
Figure 5-6 GMU 44 J441 Pigtail Connector ........................................................................................5-22
Figure 5-7 GMU 44B Connector .........................................................................................................5-23
Figure 5-8 Collective Position Sensor P6053 Connector ....................................................................5-24
Figure 6-1 Location of GFC 600H System Components ......................................................................6-2
Figure 6-2 GMC 605H Installation ........................................................................................................6-3
Figure 6-3 GFS 83 Pitch and Roll Servo Installation ............................................................................6-6
Figure 6-4 GFS 83 Yaw Servo Installation ...........................................................................................6-8
Figure 6-5 Pitch Control Push-Rod Adjustment ..................................................................................6-11
Figure 6-6 Roll Control Push-Rod Adjustment ...................................................................................6-12
Figure 6-7 Yaw Control Push-Rod Adjustment ..................................................................................6-13
Figure 6-8 Pitch and Roll Clutchless Servo Output Arm and Shear Fuse Installation ........................6-16
Figure 6-9 Yaw Clutched Servo Output Arm and Shear Fuse Installation .........................................6-17
Figure 6-10 GSU 75H Installation .........................................................................................................6-19
Figure 6-11 Pitot and Static Connections ..............................................................................................6-21
Figure 6-12 GRS 79H Installation .........................................................................................................6-22
Figure 6-13 GMU 44 Installation on (Existing) Flux Valve Support ....................................................6-25
Figure 6-14 GMU 44 Installation with Universal Mount ......................................................................6-26
Figure 6-15 GMU 44B Installation ........................................................................................................6-27
Figure 6-16 GTP 59 OAT Probe Installation .........................................................................................6-29
Figure 6-17 Collective Position Sensor .................................................................................................6-32
Figure 6-18 Collective Position Sensor Adjustment ..............................................................................6-33
Figure 6-19 GMC 605H Configuration Module Installation .................................................................6-35
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page xii
Figure 6-20 GRS 79H or GSU 75H Configuration Module Installation ...............................................6-36
Figure 7-1 Rotorcraft Position Example ..............................................................................................7-15
Figure 8-1 Audio Test Page ...................................................................................................................8-2
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
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LIST OF TABLES
Table 1-1 Reference Documents ............................................................................................................1-5
Table 2-1 Servo Program Pins and Configuration ...............................................................................2-11
Table 2-2 GFC 600H Electrical Loads .................................................................................................2-16
Table 3-1 GMC 605H Normal Mode Key Descriptions ........................................................................3-2
Table 3-2 Description of GMC 605H Normal Mode Operation ............................................................3-3
Table 3-3 GFC 600H Switch Function ...................................................................................................3-4
Table 3-4 Description of GDU FCS Annunciation Bar .........................................................................3-6
Table 3-5 GMC 605H Configuration Mode Navigation ......................................................................3-11
Table 3-6 GMC 605H Configuration Mode Layout .............................................................................3-11
Table 4-1 Periodic Maintenance Intervals ..............................................................................................4-5
Table 4-2 Existing Electrical Bonding Requirement (Milliohm) ...........................................................4-8
Table 4-3 Repaired Electrical Bonding Requirement (Milliohm) ..........................................................4-8
Table 5-1 General Troubleshooting Guide .............................................................................................5-2
Table 5-2 GMC 605H LED Indicators ...................................................................................................5-4
Table 5-3 GMC 605H CAS Troubleshooting ........................................................................................5-4
Table 5-4 GMC 605H Configuration Mode (Post-Install Procedures) Test Faults ................................5-7
Table 5-5 General Troubleshoot Guide for AHRS/ADC Install Tool .................................................5-10
Table 5-6 ADC Field Calibration Troubleshooting ..............................................................................5-10
Table 5-7 Post-Install Procedures Troubleshooting .............................................................................5-11
Table 5-8 Upload and Download Troubleshooting ..............................................................................5-13
Table 5-9 P6051 Connector Pinout ......................................................................................................5-15
Table 5-10 P6052 Connector Pinout ......................................................................................................5-16
Table 5-11 P831 Connector Pinout ........................................................................................................5-17
Table 5-12 J751 Connector Pinout .........................................................................................................5-19
Table 5-13 J791 Connector Pinout .........................................................................................................5-21
Table 5-14 J441 Connector Pinout .........................................................................................................5-22
Table 5-15 J442 Connector Pinout .........................................................................................................5-23
Table 5-16 P6053 Connector Pinout ......................................................................................................5-24
Table 6-1 BoM for Pitch and Roll Servo Installation .............................................................................6-5
Table 6-2 BoM for Yaw Servo Installation ............................................................................................6-7
Table 7-1 Airspeed Test Points ..............................................................................................................7-7
Table 7-2 Post-Installation Calibrations ...............................................................................................7-10
Table 7-3 Magnetic Interference Test Sequence Example ...................................................................7-13
Table 7-4 Heading Verification ............................................................................................................7-18
Table A-1 Garmin Equipment ................................................................................................................A-3
Table A-2 Other Equipment ...................................................................................................................A-4
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page 1-1
1 INTRODUCTION
1.1 Purpose..............................................................................................................................................1-2
1.2 Scope.................................................................................................................................................1-2
1.3 Applicability .....................................................................................................................................1-2
1.4 Revision and Distribution .................................................................................................................1-2
1.5 Terminology......................................................................................................................................1-3
1.6 Reference Documents .......................................................................................................................1-5
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page 1-2
1.1 Purpose
This document is designed for use by the installing agency of the Garmin GFC 600H Flight Control
System (FCS) as a Maintenance Manual (MM) and Instructions for Continued Airworthiness (ICA) to
satisfy the requirements for continued airworthiness as defined by 14 CFR Part 27.1529 and 14 CFR
Part 27 Appendix A. This manual includes a description of the GFC 600H FCS and maintenance
information required by the operator to adequately maintain the GFC 600H FCS.
1.2 Scope
This document details maintenance and provides Instructions for Continued Airworthiness (ICA) for the
Garmin GFC 600H Flight Control System (FCS) installed in accordance with STC SR02647SE.
1.3 Applicability
This document applies to all rotorcraft with the GFC 600H FCS installed in accordance with STC
SR02647SE. Maintenance information provided in this document must be included in the operator's
Aircraft Maintenance Manual and operator's Aircraft Scheduled Maintenance Program, if applicable, for
all rotorcraft modified by this STC.
1.4 Revision and Distribution
This manual is required for maintaining the continued airworthiness of the GFC 600H FCS. When this
manual is revised, every page will be revised to indicate the current revision level. Garmin dealers may
obtain the latest revision of this manual on the Garmin Dealer Resource Center
. Dealers are notified of
manual revision changes via Garmin Service Bulletin posted to the Dealer Resource Center.
Owner/operators may obtain the latest revision of this manual from www.flyGarmin.com
or by contacting
a Garmin dealer.
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page 1-3
1.5 Terminology
The following acronyms and abbreviations are used in this manual:
AC: Advisory Circular FTR: Force Trim Release
AD: Airworthiness Directive GDC: Garmin Air Data Computer
ADAHRS: Air Data & Attitude Heading
Reference System
GDU: Garmin Display Unit
ADC: Air Data Computer GFC: Garmin Flight Control
ADTS: Air Data Test Set GFS: Garmin Force-Trim Servo
AHRS: Attitude Heading Reference System GMA: Garmin Marker Audio (audio panel)
ALT: Altitude GMC: Garmin Mode Controller
ALTS: Altitude Preselect GMU: Garmin Magnetometer Unit
AMM: Aircraft Maintenance Manual GNS: Garmin Navigation System (radio)
AP: Autopilot GPS: Global Positioning System
APR: Approach GRS: Garmin attitude Reference System
ARINC: Aeronautical Radio, Incorporated GS: Glide Slope
ATT: Attitude Mode GSPD: Ground Speed Mode
CAN: Controller Area Network GSU: Garmin Sensor Unit
CAS: Crew Alerting System GTN: Garmin Touch Navigator (radio)
CCW: Counter Clockwise GTP: Garmin Temperature Probe
CDI: Course Deviation Indicator GTX: Garmin Transponder
CFR: Code of Federal Regulations HDG: Heading
COMM: Communication Radio HFCS: Helicopter Flight Control System
CPL: Couple Flight Director HSI: Horizontal Situation Indicator
DISC: Disconnect HSDB: High Speed Data Bus
ECO: Engineering Change Order IAS: Indicated Air Speed
EFIS: Electronic Flight Instrumentation
System
ICA: Instructions for Continued
Airworthiness
EL: Equipment List IFR: Instrument Flight Rules
EMI: Electro Magnetic Interference IGRF: International Geomagnetic Reference
Field
ESD: Electro-Static Discharge ILS: Instrument Landing System
FAA: Federal Aviation Administration LMTQ: Limit Que Mode
FCS: Flight Control System LOC: Localizer
FD: Flight Director LRU: Line Replaceable Unit
FPGA: Field Programmable Gate Array LVDT: Linear Variable Differential
Transformer
FPM: Flight Path Marker LVL: Level Mode
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page 1-4
MIN: Minimum SCAS: Stability and Control Augmentation
System
MM: Maintenance Manual SNSR: Sensor
N/A: Not Applicable STC: Supplemental Type Certificate
NAV: Navigation SW: Software
NVIS: Night Vision Imaging System SYS: System
OAT: Outside Air Temperature TAT: Total Air Temperature
OBS: Omni-Bearing Selector TSO: Technical Standard Order
ODA: Organization Designation
Authorization
USB: Universal Serial Bus
PC: Personal Computer VDC: Volts of Direct Current
PFD: Primary Flight Display VFR: Visual Flight Rules
PFT: Pre-flight Test VHF: Very High Frequency
POT: Positional Sensor VLOC: Vertical Localizer
PTRM: Pitch Trim VNAV: Vertical Navigation
PWR: Power V
NE
: Velocity Never Exceed
Rev: Revision VOR: VHF Omni Directional Radio Range
RFMS: Rotorcraft Flight Manual Supplement VS: Vertical Speed
SAS: Stability Augmentation System WAAS: Wide Area Augmentation System
SBAS: Satellite Based Augmentation System
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page 1-5
1.6 Reference Documents
In addition to this manual, the following documents are recommended for performing maintenance on the
GFC 600H FCS. It is the responsibility of the owner/operator to ensure the latest applicable versions of
these documents are used during operation, servicing, or maintenance of the GFC 600H FCS.
All of the documents listed in Table 1-1 are available for download on the Garmin Dealer Resource Center
.
Table 1-1 Reference Documents
Document Title Garmin P/N
GFC 600H Part 27 STC Installation Manual 190-02081-00
GFC 600H AFCS Installation, Airbus Helicopters AS350 B2/B3 190-02081-01
GFC 600H Pilot’s Guide 190-02081-04
Rotorcraft Flight Manual Supplement for Garmin GFC 600H Flight Control System 190-02081-02
190-02081-03 GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 2 Page 2-1
2 SYSTEM DESCRIPTION
2.1 GFC 600H Flight Control System Functions ...................................................................................2-2
2.2 System Overview..............................................................................................................................2-3
2.2.1 Attitude Hold (ATT) ..................................................................................................................2-3
2.2.2 Helicopter Electronic Stability and Protection (H-ESP) ............................................................2-4
2.2.3 Flight Director Modes ................................................................................................................2-5
2.2.4 GMC 605H AFCS Mode Controller ..........................................................................................2-7
2.2.5 GFS 83 Force Trim Servo ..........................................................................................................2-9
2.2.6 Sensors .....................................................................................................................................2-11
2.3 Power Requirements .......................................................................................................................2-16
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