System Maintenance Manual

Page 8-14 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision G 190-00682-01
6. Couple FD to PFD2 by pressing the XFR button on the AFCS mode controller. Verify FD is
coupled right as indicate by a right pointing arrow on the AFCS mode controller next to the XFR
button. Repeat step 5 using CRS2 knob while coupled to PFD2.
7. Set CRS1 and CRS2 course pointers to aircraft heading.
8. Simulate a Localizer/Glideslope signal. Tune this signal on NAV 1 and NAV 2 receiver. Set the
PFD1 HSI to LOC1 and PFD2 HSI to LOC2 by pressing CDI soft key until LOC1 and LOC2 is
selected. Use the test equipment to center the deviation bars (localizer and glideslope) on PFD1
and PFD2.
9. Press the APR key on the AFCS mode controller. Verify that the LOC and GS annunciations are
green on PFD1 and PFD2. Apply right/left and up/down localizer/glideslope signals using the
test equipment. Verify that the Flight Director and flight controls respond appropriately.
10. Couple FD to PFD1 by pressing the XFR button on the AFCS mode controller. Verify FD is
coupled to PFD1 as indicate by a left pointing arrow on the AFCS mode controller next to the
XFR button.
11. Repeat step 9 using while coupled to PFD1.
8.3 Maintenance Records
After conducting required return-to-service procedures in accordance with the King Air Model 90 Series
Maintenance Manual, listed in Table 1-2, the aircraft may be returned to service.
1. Record the following information in appropriate aircraft maintenance logs:
a. Part number of the G1000 software loader card used to perform software loading or
software updates.
b. Record part and serial numbers of any LRU which was replaced.
c. Record any database updates which were performed during maintenance.
d. Any other applicable information related to the maintenance work performed on the
aircraft.