Rudder Boost Operational Check; Figure 4-6, Power Supply Connection - Garmin G1000 Nxi System Maintenance Manual

of power from the power source. Using the external power supply apply 30.0 Vdc (10A
maximum current limited) to J1 connector pins 11 (+) and 7 (-) and charge the unit for 16 hours.
The batteries should reach 80% capacity within 1 hour and full charge at 16 hours.

Rudder Boost Operational Check

1. Place the RUDDER BOOST switch to the OFF position. For Model 300 aircraft, set the
left and right bleed air control switches to the OPEN position.
2. Verify the amber RUD BOOST OFF annunciator on the aircraft's caution and advisory
panel is illuminated.
3. Place the RUDDER BOOST switch to the RUDDER BOOST position. Verify the amber
RUD BOOST OFF annunciator on the aircraft caution and advisory panel is
extinguished.
4. Pull GIA 1 primary and secondary circuit breakers. Verify RUD BOOST OFF annunciator
is extinguished.
5. Pull GIA 2 circuit breaker. Verify RUD BOOST OFF annunciator illuminates.
6. Reset GIA 1 and GIA 2 circuit breakers. Verify RUD BOOST OFF annunciator
extinguishes.
7. Pull the AFCS SERVO circuit breaker. Verify RUD BOOST OFF annunciator
illuminates.
8. Reset AFCS SERVO circuit breaker. Verify RUD BOOST OFF annunciator extinguishes.
9. Press and hold the AP/DISC switch on the pilot's control wheel and verify RUD BOOST
OFF annunciator illuminates.
10. Release the AP/DISC switch and verify the RUD BOOST OFF annunciator extinguishes.
11. Repeat steps 9-10 for the copilot's control wheel.
Steps 12-15 are only applicable to Model 300 aircraft.
12. Place the L BLEED AIR CONTROL SWITCH in the PNEU & ENVIR OFF position. Verify
RUD BOOST OFF annunciator illuminates.
13. Place the L BLEED AIR CONTROL SWITCH in the OPEN position. Verify RUD BOOST
OFF annunciator extinguishes.
14. Place the R BLEED AIR CONTROL SWITCH in the PNEU & ENVIR OFF position. Verify
RUD BOOST OFF annunciator illuminates.
15. Place the R BLEED AIR CONTROL SWITCH in the OPEN position. Verify RUD BOOST
OFF annunciator extinguishes.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1

Figure 4-6, Power Supply Connection

NOTE
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Revision 1