Garmin Diamond DA40, Maintenance Manual

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Page 7-16 G1000/DA40 System Maintenance Manual
Revision 6 190-00303-03
7.4.3 GEA 71 Test
All engine/airframe transducers must be checked to ensure proper operation. Restart both displays in
normal mode.
Figure 7-5. G1000 Engine/Airframe Indicators
On the MFD, check the indication for each of the sensor or monitor inputs with the aircraft engine off.
Observe the ‘Default’ page, ‘Lean’ page, and ‘System’ pages by using the DFLT, LEAN, and SYSTEM
softkeys on the MFD
At the appropriate EIS group (System, Lean, or Default), observe the following sensor indications (see
Figure 7-5):
Sensor Reading with Aircraft Engine OFF
•
Oil Pressure Approximately 0 and Low Oil Pressure Annunciation. ‘System’ page.
•
Oil Temperature Ambient. ‘System’ page.
•
CHT Ambient. ‘Lean’ page.
•
EGT Ambient. ‘Lean’ page.
•
MAP Atmosphere Pressure
•
Tachometer ‘0’
•
Fuel Pressure Low Fuel Pressure Annunciation. (Shown on the PFD)
•
Fuel Flow ‘0’
•
Alternator Amps Approximately ‘0’. ‘System’ page.
•
Volts GPU voltage (Battery volts when GPU disconnected) ‘System’ page.
•
Fuel Qty Gal ‘Full’ on MFD with fully fuelled tanks. ‘System page.
If no other service is to be performed, continue to the return-to-service checks in Section 8.