Page 7-28
G1000/DA40 System Maintenance Manual
Revision 6
190-00303-03
7.7.3 GRS/GMU
Calibration
GRS/GMU Recalibration Criteria
Calibrations Required
Condition
Procedure A:
GRS 77
Pitch/Roll
Offset
Procedure B:
GRS/GMU
Magnetic
Calibration
Procedure C:
Engine Run-up
Vibration
Test
GMU 44 was removed and reinstalled. (no
change in serial number)
None Required.
Continue to GRS/GMU Test section.
GMU 44 was replaced with new unit.
(New serial number)
X
GRS 77 AHRS was removed and/or
replaced. The mounting tray was NOT
removed and the mounting tray bolts were
NOT loosened.
None Required.
Continue to GRS/GMU Test section.
GRS 77 AHRS was removed and/or
replaced. The mounting tray WAS removed
and/or mounting tray bolts WERE loosened.
X
X
X
GRS 77 AHRS Configuration Module was
replaced.
X X X
7.7.4 Procedure A: GRS 77 Pitch/Roll Offset Calibration
This first procedure must be carried out with the engine off.
1.
Level the aircraft to within
±
0.25° of zero pitch and zero roll using a digital level. (Follow
instructions in DA 40 Aircraft Maintenance Manual for leveling)
2.
Start the G1000 system in Configuration mode.
3.
Go to the GRS Page Group and select the GRS/GMU Calibration page at the PFD. This page is
protected and the following softkey password must be entered at the PFD to continue:
a)
9
b)
10
c)
11
d)
12 (Far Right softkey)
Summary of Contents for Diamond DA40
Page 1: ...190 00303 03 January 2007 Revision 6 G1000 System Maintenance Manual Diamond DA 40...
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Page 137: ...G1000 DA40 System Maintenance Manual Page A 3 190 00303 03 Revision 6 A 4 Parts List...
Page 138: ...G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Page A 4...
