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500W Series 

Instructions for Continued Airworthiness 

Bell 206B 

 

Reg. No.____________     S/N_______________ 

 
 

 

 

Dwg. Number: 

190-01226-03  Rev. 5 

 

 
 
 
 
 

Garmin International, Inc.  

1200 E. 151st Street 

Olathe, Kansas 66062 USA 

 
 
 
 
 

 

Record of Revision 

 

Rev. 

Date 

Description of Change 

1 07/16/10 

Initial 

Release 

08/11/10 

Updated ref. doc. revisions in section 2.1, revised part number and weight 
of item 2 in table 2.2.1. 

04/09/15 

Add information for remote HTAWS annunciators 

06/18/15 

Updated Airworthiness Limitations section 

02/08/17 

Updated troubleshooting table section and interconnects to add GDL 88H 
and GTX 3X5 

 

 

 

 

 

 

 

 

 

Summary of Contents for 500W Series

Page 1: ...2 USA Record of Revision Rev Date Description of Change 1 07 16 10 Initial Release 2 08 11 10 Updated ref doc revisions in section 2 1 revised part number and weight of item 2 in table 2 2 1 3 04 09 1...

Page 2: ...ations contained herein are the property of Garmin International or its subsidiaries and may not be reproduced or used in whole or in part as the basis for manufacture or sale of products without writ...

Page 3: ...l Operating Information 8 2 4 Servicing Information 8 2 5 Periodic Maintenance Instructions 8 2 6 Troubleshooting Information 11 2 7 Removal and Installation Information 20 2 8 Diagrams 21 2 9 Special...

Page 4: ...trolled in accordance with the Garmin document control system When this document is revised refer to Section 2 15 for information on how to gain FAA acceptance or approval and how to notify customers...

Page 5: ...tallation of a 500W series GPS WAAS Nav Com unit under the Garmin Bell 400W 500W HTAWS STC SR02080SE Definition of Abbreviations See Section 1 5 Precautions None Units of measurement None Referenced p...

Page 6: ...nnunciator panel Installation of optional remote HTAWS annunciators and optional cyclic stick switches for remote control of COM and HTAWS functions are also covered under this STC The 500W Series uni...

Page 7: ...g whether or not a dual navigator system is installed 2 2 1 Weight and Balance Information ITEM DESCRIPTION PART NUMBER WEIGHT LB Moment ARM IN LONGITUDINAL LATERAL 1 GPS 500W Unit Only 011 01062 XX 5...

Page 8: ...n application of power to the units and built in test is continuously executed Detected errors are indicated on the equipment via failure annunciations Maintenance of the components installed by this...

Page 9: ...milliohms Reinstall the 500W Series unit in the mounting rack GPS Antennas Only if antenna is installed by this STC Every 2000 flight hours or ten 10 years whichever is first Perform an electrical bon...

Page 10: ...of 20 000 hours This life may be more or less than the rated time depending on the operating conditions of the 500W Series unit Over time the backlight lamp may dim and the display may not perform as...

Page 11: ...m sources of interference The GPS signal levels are very low Improper antenna installation or coax routing Check GPS antenna installation connections and cable routing The GPS antenna must be mounted...

Page 12: ...S CDI page Wiring connections are incorrect Check wiring ARINC 429 device is not receiving data from the 500W 530W 500W Series unit ARINC 429 output not configured correctly Check ARINC 429 output por...

Page 13: ...able The ADS B traffic system is reporting that the CSA application has failed Traffic alerting on ADS B traffic is unavailable Ensure the aircraft has a clear view of the sky If problem persists cont...

Page 14: ...y still operate regardless of the displayed frequency COM needs service 530W only The unit has detected a failure in its communications transceiver The COM transceiver may still be usable Contact Garm...

Page 15: ...must not be used for actual navigation Check that the DEMO MODE SELECT pin P5001 Pin 75 is not connected G S has failed 530W only The unit has detected a failure in its glideslope receiver Contact Gar...

Page 16: ...chnical support GTN transfer canceled version mismatch The protocol version or database version don t match between the GTN and GNS units Load the most current cycles of the navigation database to eac...

Page 17: ...support NRST key stuck GPS 500 only The NRST key is stuck in the enabled or pressed state Try pressing the NRST key again to cycle its operation If problem persists contact Garmin technical support OB...

Page 18: ...rted by the hardware Reconfigure the unit TERRAIN configuration has changed The unit s terrain settings have changed since it was last turned on in normal mode Reconfigure TERRAIN settings Contact Gar...

Page 19: ...transfer key is stuck 530W only The remote VLOC transfer switch is stuck in the enabled or pressed state Try pressing the switch again to cycle its operation Contact Garmin technical support VLOC tra...

Page 20: ...bezel until the unit is firmly seated in the rack NOTE The installation configuration and user settings are stored internally in the 500W Series unit and will be lost when the 500W Series is replaced...

Page 21: ...LH side center console cover plate 2 Remove copilot side LH side center console cover plate 3 Disconnect cooling fan electrical connector located under cooling ports on fan 4 Extract the three 3X cool...

Page 22: ...n Drawing FASTENER TYPE AND TORQUE 6 32 Screw 4 2 inch pounds 6 32 Screw 12 15 inch pounds 8 32 Screw 12 15 inch pounds 10 32 Screw 12 15 inch pounds 10 32 Screw 20 25 inch pounds 500W Unit Mounting R...

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