Maintenance Manual
Page 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Contains Instructions for Continued Airworthiness for Bell 206 STC 190-01277-A3 July 2014 Revision 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Contains Instructions for Continued Airworthiness for Bell 206 STC 190-01277-A3 July 2014 Revision 1
Maintenance Manual
Page 2
S/N Contains Instructions for Continued Airworthiness for Bell 206 STC Dwg. Number: 190-01277-A3 Rev. 1 Garmin International, Inc. 1200 E. 151st Street Olathe, Kansas 66062 USA 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A No. System Maintenance Manual GRA 55/5500 Bell 206 STC as installed in Bell 206B, 206L Series Reg.
S/N Contains Instructions for Continued Airworthiness for Bell 206 STC Dwg. Number: 190-01277-A3 Rev. 1 Garmin International, Inc. 1200 E. 151st Street Olathe, Kansas 66062 USA 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A No. System Maintenance Manual GRA 55/5500 Bell 206 STC as installed in Bell 206B, 206L Series Reg.
Maintenance Manual
Page 3
...: (503) 364-2138 E-mail: support.salem@garmin.com Garmin (Europe) Ltd. Phone: +44 (0) 23 8052 4000 Fax: +44 (0) 23 8052 4004 Aviation Support +44 (0) 87 0850 1243 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page B Garmin hereby grants permission to download a single copy of... this manual and of any revision to this manual onto a hard drive or other electronic storage medium to print one copy of ...
...: (503) 364-2138 E-mail: support.salem@garmin.com Garmin (Europe) Ltd. Phone: +44 (0) 23 8052 4000 Fax: +44 (0) 23 8052 4004 Aviation Support +44 (0) 87 0850 1243 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page B Garmin hereby grants permission to download a single copy of... this manual and of any revision to this manual onto a hard drive or other electronic storage medium to print one copy of ...
Maintenance Manual
Page 4
... 4 Section 5 Section 6 Section 7 Section 8 Section 9 Appendix A Pagination ii through v 1-1 through 1-2 2-1 through 2-1 3-1 through 3-8 4-1 through 4-6 5-1 through 5-7 6-1 through 6-3 7-1 through 7-1 8-1 through 8-2 9-1 through 9-1 A-1 through A-7 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page C
... 4 Section 5 Section 6 Section 7 Section 8 Section 9 Appendix A Pagination ii through v 1-1 through 1-2 2-1 through 2-1 3-1 through 3-8 4-1 through 4-6 5-1 through 5-7 6-1 through 6-3 7-1 through 7-1 8-1 through 8-2 9-1 through 9-1 A-1 through A-7 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page C
Maintenance Manual
Page 5
... that damage to equipment may occur if the instruction is disregarded. Visit the Garmin web site (www.garmin.com) for the particular operation. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page i CAUTION Cautions are used to alert the individual that...explain the preceding step and provide further understanding of the reason for current updates and supplemental information concerning the operation of Garmin products. INFORMATION SUBJECT TO EXPORT CONTROL LAWS This document may contain information which is subject to the Export Administration Regulations...
... that damage to equipment may occur if the instruction is disregarded. Visit the Garmin web site (www.garmin.com) for the particular operation. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page i CAUTION Cautions are used to alert the individual that...explain the preceding step and provide further understanding of the reason for current updates and supplemental information concerning the operation of Garmin products. INFORMATION SUBJECT TO EXPORT CONTROL LAWS This document may contain information which is subject to the Export Administration Regulations...
Maintenance Manual
Page 6
... of Alteration ...2-1 2.2 Block Diagram ...2-1 3 GRA 55/5500 CONTROL AND OPERATION 3-1 3.1 Control, Operating, and Testing Information 3-1 3.2 Downloading and Installing the GRA 55/5500 Retrofit Installation Tool 3-1 3.3 Using the GRA 55/5500 Retrofit Installation Tool 3-2 3.4 Installation Tool Pages ... ...4-1 4.2 Periodic Maintenance ...4-1 4.3 Special Tools ...4-1 4.4 Maintenance Intervals ...4-2 5 TROUBLESHOOTING INFORMATION 5-1 5.1 GRA 55/5500 General Troubleshooting 5-1 6 REMOVAL AND REPLACEMENT INFORMATION 6-1 6.1 Unit Installation ...6-1 6.1.1 Installation Procedure 6-1 6.1.2...
... of Alteration ...2-1 2.2 Block Diagram ...2-1 3 GRA 55/5500 CONTROL AND OPERATION 3-1 3.1 Control, Operating, and Testing Information 3-1 3.2 Downloading and Installing the GRA 55/5500 Retrofit Installation Tool 3-1 3.3 Using the GRA 55/5500 Retrofit Installation Tool 3-2 3.4 Installation Tool Pages ... ...4-1 4.2 Periodic Maintenance ...4-1 4.3 Special Tools ...4-1 4.4 Maintenance Intervals ...4-2 5 TROUBLESHOOTING INFORMATION 5-1 5.1 GRA 55/5500 General Troubleshooting 5-1 6 REMOVAL AND REPLACEMENT INFORMATION 6-1 6.1 Unit Installation ...6-1 6.1.1 Installation Procedure 6-1 6.1.2...
Maintenance Manual
Page 7
... ...8-1 8.7 ICA Revision and Distribution 8-1 8.8 Assistance ...8-1 8.9 Implementation and Record Keeping 8-2 9 AIRWORTHINESS LIMITATIONS SECTION 9-1 APPENDIX A AIRCRAFT SPECIFIC INFORMATION A-1 A.1 Weight and Balance ...A-5 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page iii
... ...8-1 8.7 ICA Revision and Distribution 8-1 8.8 Assistance ...8-1 8.9 Implementation and Record Keeping 8-2 9 AIRWORTHINESS LIMITATIONS SECTION 9-1 APPENDIX A AIRCRAFT SPECIFIC INFORMATION A-1 A.1 Weight and Balance ...A-5 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page iii
Maintenance Manual
Page 8
... Location for Bell 206 A-1 GRA STC Equipment Fuselage Station Location for Bell 206L Series A-1 GRA 55/5500 Unit and Rack Installation in Bell 206B, 206L Series ..... Figure 3-1. Figure 3-4. Figure A-3. Figure 3-6. A-5 Bell 206B LRU and Antenna Locations A-6 Bell 206L Series LRU and Antenna Locations A-7 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page iv...
... Location for Bell 206 A-1 GRA STC Equipment Fuselage Station Location for Bell 206L Series A-1 GRA 55/5500 Unit and Rack Installation in Bell 206B, 206L Series ..... Figure 3-1. Figure 3-4. Figure A-3. Figure 3-6. A-5 Bell 206B LRU and Antenna Locations A-6 Bell 206L Series LRU and Antenna Locations A-7 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page iv...
Maintenance Manual
Page 9
Table A-1. LIST OF TABLES Maintenance Intervals for GRA 55/5500 4-2 Maintenance Intervals for Antennas Replaced Under this STC 4-4 GRA 5500 Fault Descriptions 5-1 Bill of Materials A-2 Circuit Breaker Placard A-3 Weight and Balance Details A-5 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page v Table A-2. Table 5-1. Table 4-2. Table 4-1. Table A-3.
Table A-1. LIST OF TABLES Maintenance Intervals for GRA 55/5500 4-2 Maintenance Intervals for Antennas Replaced Under this STC 4-4 GRA 5500 Fault Descriptions 5-1 Bill of Materials A-2 Circuit Breaker Placard A-3 Weight and Balance Details A-5 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page v Table A-2. Table 5-1. Table 4-2. Table 4-1. Table A-3.
Maintenance Manual
Page 10
... Certification Office 2. TX:Transmit 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 1-1 It is the responsibility of the applicant to determine the suitability of the Garmin GRA 55/5500 STC. 1.3 Document Control This document is released, archived, and controlled ...in compliance with the Garmin document control system. 1.4 Permission to Use Certain Documents Permission is used...
... Certification Office 2. TX:Transmit 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 1-1 It is the responsibility of the applicant to determine the suitability of the Garmin GRA 55/5500 STC. 1.3 Document Control This document is released, archived, and controlled ...in compliance with the Garmin document control system. 1.4 Permission to Use Certain Documents Permission is used...
Maintenance Manual
Page 11
...:This document identifies the Instructions for Continued Airworthiness for the modification of the aircraft by the installation of the Garmin GRA 55/5500 Part 27 STC. 1.7.1 Applicability Applies to the GRA 55 and GRA 5500 radar altimeters. Electrical Standard Practices Manual for Bell Model 206 Series Helicopters, BHT-206-SRM-1, Revision 1, April 1995 7. 1.6 Terminology Except where specifically noted, references...
...:This document identifies the Instructions for Continued Airworthiness for the modification of the aircraft by the installation of the Garmin GRA 55/5500 Part 27 STC. 1.7.1 Applicability Applies to the GRA 55 and GRA 5500 radar altimeters. Electrical Standard Practices Manual for Bell Model 206 Series Helicopters, BHT-206-SRM-1, Revision 1, April 1995 7. 1.6 Terminology Except where specifically noted, references...
Maintenance Manual
Page 12
...%XWWRQV 7; 190-01277-A3 Rev. 1 0DLQ 3URFHVVLQJ 8QLW 5; .(< *5$ /58 $5,1& 0LFURSURFHVVRU EDVHGVXEV\VWHP Figure 2-1. The GRA 55/5500 radar altimeter system features: two antenna architecture for transmitting and receiving radio waves for altitude quantities, remote mounted LRU transceiver for quantifying Above Ground ... Garmin GTN 6XX/7XX for pilot display of the Bell 206B, 206L series aircraft avionics system as part of optional HTAWS functionality. GRA 55/5500 Block Diagram System Maintenance Manual GRA 55/5500 Bell 206 STC Page 2-1 The GRA 55/5500 LRU...
...%XWWRQV 7; 190-01277-A3 Rev. 1 0DLQ 3URFHVVLQJ 8QLW 5; .(< *5$ /58 $5,1& 0LFURSURFHVVRU EDVHGVXEV\VWHP Figure 2-1. The GRA 55/5500 radar altimeter system features: two antenna architecture for transmitting and receiving radio waves for altitude quantities, remote mounted LRU transceiver for quantifying Above Ground ... Garmin GTN 6XX/7XX for pilot display of the Bell 206B, 206L series aircraft avionics system as part of optional HTAWS functionality. GRA 55/5500 Block Diagram System Maintenance Manual GRA 55/5500 Bell 206 STC Page 2-1 The GRA 55/5500 LRU...
Maintenance Manual
Page 13
...a personal computer (installed with Microsoft Windows XP Service Pack 3 or later) and the GRA 55/5500 Retrofit Installation Tool, Garmin part number 006-A0451-00. Installation 1. Click the "Close" button to 2550ft AGL. The GRA 55/5500 will begin. 3. The GRA 55/5500 Retrofit Installation Tool Setup Wizard will encounter NCD conditions; installation directory) as prompted by the...browser's download shortcuts). 2. Once downloaded, launch the installation file from ground level to close the setup wizard. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-1
...a personal computer (installed with Microsoft Windows XP Service Pack 3 or later) and the GRA 55/5500 Retrofit Installation Tool, Garmin part number 006-A0451-00. Installation 1. Click the "Close" button to 2550ft AGL. The GRA 55/5500 will begin. 3. The GRA 55/5500 Retrofit Installation Tool Setup Wizard will encounter NCD conditions; installation directory) as prompted by the...browser's download shortcuts). 2. Once downloaded, launch the installation file from ground level to close the setup wizard. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-1
Maintenance Manual
Page 14
...the lower, righthand corner, check the installation and make sure the GRA 55/5500 has been powered-up the GRA 55/5500 by applying aircraft power 4. Consult the PC's operating system documentation on manually installing drivers. 3.4 Installation Tool Pages The Installation Tool contains five ... Diagnostics, and Utilities (See Figure 3-1). 3.3 Using the GRA 55/5500 Retrofit Installation Tool Once the GRA 55/5500 Retrofit Installation Tool has been installed: 1. Installation Tool Page Tabs 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-2 Power-up and that the ...
...the lower, righthand corner, check the installation and make sure the GRA 55/5500 has been powered-up the GRA 55/5500 by applying aircraft power 4. Consult the PC's operating system documentation on manually installing drivers. 3.4 Installation Tool Pages The Installation Tool contains five ... Diagnostics, and Utilities (See Figure 3-1). 3.3 Using the GRA 55/5500 Retrofit Installation Tool Once the GRA 55/5500 Retrofit Installation Tool has been installed: 1. Installation Tool Page Tabs 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-2 Power-up and that the ...
Maintenance Manual
Page 15
...Figure 3-2. Use Table 5-1 as a reference to determine the proper actions to show the specific failure under that can be encountered during normal operation of the GRA 55/5500. If the unit indicates a fault, the fault's entry on the list is displayed by selecting the Status tab. 3.4.1 Status Page The status page ...(Figure 3-2) is displayed in a bold, red font. Status Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-3 This page provides the basic fault status of each fault should indicate "normal."
...Figure 3-2. Use Table 5-1 as a reference to determine the proper actions to show the specific failure under that can be encountered during normal operation of the GRA 55/5500. If the unit indicates a fault, the fault's entry on the list is displayed by selecting the Status tab. 3.4.1 Status Page The status page ...(Figure 3-2) is displayed in a bold, red font. Status Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-3 This page provides the basic fault status of each fault should indicate "normal."
Maintenance Manual
Page 16
... that section will not be clicked to send the configuration values to Unit" button must be selectable. Configuration Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-4 Clicking the button labeled "Restore Defaults to Unit" restores all settings to change the unit's per-airframe configuration. After adjusting any...
... that section will not be clicked to send the configuration values to Unit" button must be selectable. Configuration Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-4 Clicking the button labeled "Restore Defaults to Unit" restores all settings to change the unit's per-airframe configuration. After adjusting any...
Maintenance Manual
Page 17
Figure 3-4. Software Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-5 3.4.3 Software Page The software page (Figure 3-4) provides a list of currently installed software regions on the GRA 55/5500 as well as an interface to load new software regions to the unit.
Figure 3-4. Software Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-5 3.4.3 Software Page The software page (Figure 3-4) provides a list of currently installed software regions on the GRA 55/5500 as well as an interface to load new software regions to the unit.
Maintenance Manual
Page 27
... installation and all cable connections and retry calibration. However, the service center may troubleshoot a unit to Garmin for the Garmin GRA 55/5500 Radar Altimeter. All faulty units must be returned to ID invalid for SW correct version for version hardware Unit...and test software. Table 5-1. GRA 5500 Fault Descriptions Fault Type Fault Name Configuration N/A Zero-Foot Lock Calibration Zero-Foot Cal Description Cause Resolution GRA HW Revision Update software to Garmin for this fault. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-1
... installation and all cable connections and retry calibration. However, the service center may troubleshoot a unit to Garmin for the Garmin GRA 55/5500 Radar Altimeter. All faulty units must be returned to ID invalid for SW correct version for version hardware Unit...and test software. Table 5-1. GRA 5500 Fault Descriptions Fault Type Fault Name Configuration N/A Zero-Foot Lock Calibration Zero-Foot Cal Description Cause Resolution GRA HW Revision Update software to Garmin for this fault. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-1
Maintenance Manual
Page 42
...-3 6 MS20470AD3-3 Source Garmin Garmin Garmin Best Source Best Source Best Source Description GRA 55 Radar Altimeter Unit GRA 5500 Radar Altimeter Unit Connector Kit, GRA Radar Altimeter Rack, Mounting, GRA Radar Altimeter Screw, Washer... Head, 0.1900-32 UNF-3A, 7/16" Long Nut, Self-Locking, Plate, Two-Lug, Low-Height, Steel Rivet, Solid, Countersunk 100 Deg, Precision Head QTY (1) 1 1 4 4 8 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500...
...-3 6 MS20470AD3-3 Source Garmin Garmin Garmin Best Source Best Source Best Source Description GRA 55 Radar Altimeter Unit GRA 5500 Radar Altimeter Unit Connector Kit, GRA Radar Altimeter Rack, Mounting, GRA Radar Altimeter Screw, Washer... Head, 0.1900-32 UNF-3A, 7/16" Long Nut, Self-Locking, Plate, Two-Lug, Low-Height, Steel Rivet, Solid, Countersunk 100 Deg, Precision Head QTY (1) 1 1 4 4 8 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500...
Maintenance Manual
Page 45
...05 3.5 [1] 161.20 564.20 -6.98 4 GRA 5500 Radar Altimeter (Bell 206L Series) 011-02537-00 3.5 [1] -24.43 [1] Weight specified includes the unit, install rack, and backplate assembly with connectors. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-5 A.1 Weight and Balance... The location of equipment as well as the weight and moment arm for the installed item is depicted in Bell 206B, 206L Series Table A-3. GRA 55/5500 Unit Location and Moment Arm in ...
...05 3.5 [1] 161.20 564.20 -6.98 4 GRA 5500 Radar Altimeter (Bell 206L Series) 011-02537-00 3.5 [1] -24.43 [1] Weight specified includes the unit, install rack, and backplate assembly with connectors. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-5 A.1 Weight and Balance... The location of equipment as well as the weight and moment arm for the installed item is depicted in Bell 206B, 206L Series Table A-3. GRA 55/5500 Unit Location and Moment Arm in ...