Garmin G1000 NXi, Дополнительное руководство по обслуживанию, Страница: 139 / 171

G1000 Supplemental Maintenance Manual Page 7-34
Textron Nav III Series Revision 3
190-02128-04
Table 7-4, Required GRS/GMU Calibrations
Condition
Calibrations Required
Procedure A1:
GSU 75
or GRS 77
Pitch/Roll
Offset
Procedure B:
GSU/GRS/GMU
Magnetic
Calibration
Procedure D:
Engine Run-up
Vibration
Test
GMU 44 was removed and reinstalled. (no
change in serial number) None Required.
Continue to GSU/GRS/GMU Test Section.
GMU 44 was replaced with new unit.
(New serial number)
X
GRS AHRS or GSU ADAHRS was removed
and/or replaced. The mounting tray was
NOT removed and the mounting tray bolts
were NOT loosened.
None Required.
Continue to GSU/GRS/GMU Test Section.
GRS AHRS or GSU ADAHRS was removed
and/or replaced. The mounting tray WAS
removed and/or mounting tray bolts WERE
loosened.
X X X
GRS AHRS or GSU ADAHRS Configuration
Module was replaced.
X X X
Procedure A1: GSU 75 or 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. (Follow instructions in the
appropriate Cessna Nav III Series Maintenance Manual, listed in Table 1-1, for leveling)
2. Start the PFD 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:
•
9
•
10
•
11
•
12 (Far Right softkey)