Gmu 11 Magnetometer; Gtp 59 Temperature Probe; Gad 27; Gea 24 Engine And Airframe Unit - Garmin G3X Touch Maintenance Manual


GSU 25D connector not firmly attached to unit.

Absence of recommended mounting support.

Cabling leading to the GSU 25D not firmly secured to supporting structure.

An engine/propeller combination that is significantly out of balance.
NOTE
Some aircraft may have difficulty passing this test if performed in windy conditions. Windy conditions do
not provide evidence that the test would otherwise pass successfully; an actual pass is required before
the installation can be considered adequate.

7.3 GMU 11 Magnetometer

Reference Section 7.2.

7.4 GTP 59 Temperature Probe

Original GTP 59 Reinstalled
No software or configuration loading is required when an original GTP 59 is reinstalled.
New, Repaired, or Exchange GTP 59 Installed
If a new, repaired, or exchange GTP 59 is installed, no software or configuration required.
7.4.1 GTP 59 Testing
1. Verify OAT operation by observing the PFD for a valid value for OAT.
2. Apply heat to the GTP 59 probe and observe OAT value rises by at least 5º Celsius.

7.5 GAD 27

Original GAD 27 Reinstalled
No software or configuration loading is required if the removed GAD 27 is reinstalled. Continue to
Section 7.5.1.
New, Repaired, or Exchange Display(s) Installed
If a new, repaired or exchange GAD 27 is installed, the correct software will be loaded automatically by
the G3X GDU when power is applied to the system.
7.5.1 GAD 27 Testing
Apply power to the aircraft and with all the circuit breakers closed, ensure
the GDU.

7.6 GEA 24 Engine and Airframe Unit

Original GEA 24 Reinstalled
No software or configuration loading is required if the removed GEA 24 is reinstalled. Continue to Section
7.6.1
New, Repaired, or Exchange GEA 24 Installed
If a new, repaired or exchange GEA 24 is installed, the correct software version and EIS configuration will
be loaded automatically by the G3X GDU when power is applied to the system. Continue to Section
7.6.1.
Maintenance Manual
G3X Touch EFIS Part 23 AML STC
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