90-250 G608 GPS Mapping System Installation (continued)
E. Antenna
Refer to § 6-80 for antenna locations & R66 Illustrated Parts Catalog (IPC) Chapter 6.
NOTE
Antenna installation depends on optional equipment installed.
Removal
1. Turn battery switch off and pull out GPS MAP (5 amp) circuit breaker at panel.
2. Remove hardware securing G796-1 duct assembly to cabin and remove duct.
3. Disconnect antenna cable from antenna. Remove screws securing antenna to
cabin and remove antenna.
Installation
1. Turn battery switch off and pull out GPS MAP (5 amp) circuit breaker at panel.
2. Position antenna on cabin and install hardware. Verify security. Connect
antenna cable.
3. Position G796-1 duct assembly on cabin and install hardware. Verify security.
4. Perform ground checks per Part D IMU Sensor steps 6 and 7.
F. Scheduled Maintenance and Inspections
On condition.
G. Special Maintenance and Inspections
Contact Aerocomputers Airborne Systems Technical Support for assistance.
90-260 G685 Aux Strobe Light Installation
Refer to § 33-11 for maintenance procedures.
Page 90.26 Chapter 90 Police Version JUL 2020
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