Installation - Garmin GI 275 Installation Manual

4 INSTALLATION

4.1 Wire Routing and Installation...........................................................................................................4-2
4.1.1 Shielded Cable Preparation ........................................................................................................4-3
4.2 Equipment Bonding ..........................................................................................................................4-5
4.2.1 Vibration Mounts .......................................................................................................................4-6
4.2.2 Aluminum Surface Preparation..................................................................................................4-6
4.3 Instrument Panel Installations...........................................................................................................4-7
4.3.1 GI 275 Multifunction Indicator ..................................................................................................4-8
4.3.2 Backup Battery .........................................................................................................................4-14
4.3.3 EIS Annunciator.......................................................................................................................4-16
4.3.4 GSB 15 .....................................................................................................................................4-18
4.4 Backshell Assembly........................................................................................................................4-25
4.4.1 Configuration Module Installation ...........................................................................................4-28
4.4.2 GSB 15 Connector Assembly ..................................................................................................4-29
4.5 Display Sensors...............................................................................................................................4-30
4.5.1 Backup GPS Antenna...............................................................................................................4-30
4.5.2 GTP 59 .....................................................................................................................................4-33
4.6 Engine Indicating System ...............................................................................................................4-37
4.6.1 GEA 24.....................................................................................................................................4-37
4.6.2 Carburetor Air Temperature.....................................................................................................4-41
4.6.3 Oil Temperature .......................................................................................................................4-42
4.6.4 Pressure ....................................................................................................................................4-43
4.6.5 Fuel Flow..................................................................................................................................4-47
4.6.6 RPM .........................................................................................................................................4-50
4.6.7 CHT, EGT, TIT Probes ............................................................................................................4-51
4.7 Weight and Balance ........................................................................................................................4-52
WARNING
This manual only approves the installation of the GI 275 Base (including backup battery
and backup GPS antenna), GSB 15, and GEA 24 (including EIS annunciator(s) and engine
sensors). Other compatible LRUs listed in Appendix C must use other installation approvals
and may require installation and/or configuration by an authorized Garmin dealer per
Garmin's installation policy.
190-02246-14
Rev. 11
GI 275 STC EIS & MFD Installation Manual
Page 4-1