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400W Series 

190-01226-04 Rev. 2 

Instructions for Continued Airworthiness Bell 206B 

Page 22 of 22 

The latest revision of this document will be available through any Garmin dealer or from Garmin 
customer assistance.  A Garmin Service Bulletin, describing ICA revision, will be sent to dealers if 
revision is determined to be significant.   

2.16 Assistance 

FAA Flight Standards Inspectors or the certificate holder’s PMI have the required resources to respond 
to questions regarding this ICA. In addition, the customer may refer questions regarding this equipment 
and its installation to the manufacturer, Garmin. Garmin customer assistance may be contacted during 
normal business hours via telephone 913-397-8200 or email from the Garmin web site at 
www.garmin.com. 

2.17  Implementation and Record Keeping 

Modification of an rotorcraft by this Supplemental Type Certificate obligates the rotorcraft operator to 
include the maintenance information provided by this document in the operator’s rotorcraft maintenance 
manual and/or the operator’s rotorcraft scheduled maintenance program. 

3. AIRWORTHINESS LIMITATIONS 

There are no additional Airworthiness Limitations as defined in 14 CFR § 27, Appendix A. A27.4 that 
result from this modification. The Airworthiness Limitations section is FAA approved and specifies 
maintenance required under §§43.16 and 91.403 of the Federal Aviation Regulations unless an 
alternative program has been FAA approved.  

  

Summary of Contents for 400W Series

Page 1: ..._________ Dwg Number 190 01226 04 Rev 2 Garmin International Inc 1200 E 151st Street Olathe Kansas 66062 USA Record of Revision Rev Date Description of Change 1 7 16 10 Initial Release 2 8 11 10 Updat...

Page 2: ...ol Operating Information 7 2 4 Servicing Information 7 2 5 Periodic Maintenance Instructions 7 2 6 Troubleshooting Information 8 2 7 Removal and Installation Information 19 2 8 Diagrams 20 2 9 Special...

Page 3: ...t 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 of changes 1 4Permission to Use Certain Docum...

Page 4: ...m units Definition of Abbreviations See Section 1 5 Precautions None Units of measurement None Referenced publications Garmin 005 00610 03 Rev 1 Equipment List 400W 500W Series Installation Bell 206B...

Page 5: ...ricted to VFR only including rotorcraft that may not have previously been restricted to VFR To clarify this operation limitation a placard with the text APPROVED FOR DAY NIGHT VFR is required to be in...

Page 6: ...5 5 GNS 430W Unit Only 5 1 GNS 430W Installed with rack and back plate 011 01060 XX 6 2 GNS 430AW Unit Only 5 1 1 GNS 430AW Installed with rack and back plate 011 01061 XX 6 2 39 7 0 1 2 GCF 3XX 3 Por...

Page 7: ...for signs of wear deterioration or damage to wires backshells or connectors of the 400W Series unit and wiring harnesses to ensure installation integrity 1 Inspect the unit for security of attachment...

Page 8: ...isplay a low battery message when replacement is required Once the low battery message is displayed the battery should be replaced within 1 to 2 months If the battery is not replaced and becomes total...

Page 9: ...nnector P4002 11 and 12 and ground to P4002 21 and 22 The 400W Series unit does not transmit The input voltage is too low Increase input supply voltage to 12VDC 24VDC for 430AW models The sidetone lev...

Page 10: ...not updating DME Wiring connections are incorrect Check wiring 400W Series unit ARINC 429 output not configured correctly Check ARINC 429 output port setting for port that device is connected to ARIN...

Page 11: ...ontinued Airworthiness Bell 206B Page 11 of 22 Problem Possible Cause Solution CDI scaling on EFS 40 50 is not correct On EFS 40 50 FMS 1 2 configuration is not set to KLN 90 GPS Reconfigure EFS 40 50...

Page 12: ...s not solve the problem replace the card Basemap database integrity error The 400W Series unit has detected a failure in the built in basemap land data database Land data does not appear on the Map Pa...

Page 13: ...sing the switch again to cycle its operation COM transfer key stuck 420W and 430W only The COM flip flop key is stuck in the enabled or pressed state If the message persists contact Garmin technical s...

Page 14: ...ceiver has failed Operational status of the glideslope receiver is unknown Contact Garmin technical support G S needs service 420W and 430W only The unit has detected a failure in its glideslope recei...

Page 15: ...OM Move GPS antenna further from the COM antenna Add a 1575 42 MHz notch filter in COM coax Fix or replace the COM Disconnect the ELT antenna coax to check for possible re radiation Low Battery Unit N...

Page 16: ...the Terrain data card The data is not usable Try reloading the information onto the card If that does not solve the problem replace the card RAIM position warning Although sufficient GPS satellite cov...

Page 17: ...he information onto the card If that does not solve the problem replace the card VLOC has failed 420W and 430W only The GNC 420 GNS 430W has detected a failure in its VLOC receiver Contact Garmin tech...

Page 18: ...X 500 Check for proper configuration Check the wiring WX 500 device has failed The WX 500 is reporting a system failure Refer to the WX 500 installation manual for additional troubleshooting informati...

Page 19: ...he installation configuration and user settings are stored internally in the 400W Series unit and will be lost when the 400W Series is replaced with a new unit Original 400W Series unit is Reinstalled...

Page 20: ...e 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 cooling fan mounting scre...

Page 21: ...Fasteners FASTENER TYPE AND TORQUE Location see Installation Drawing 6 32 Screw 12 15 inch pounds 8 32 Screw 12 15 inch pounds 10 32 Screw 22 25 inch pounds 400W Unit Mounting Rack X GPS Antenna X Co...

Page 22: ...mer assistance may be contacted during normal business hours via telephone 913 397 8200 or email from the Garmin web site at www garmin com 2 17 Implementation and Record Keeping Modification of an ro...

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