Instruction Manual

Page 6-20 G1000 / GFC 700 System Maintenance Manual - 200/B200 Series King Air
Revision 9 190-00915-01
6.29 GDU Cooling Fans
Removal:
1. Remove the display associated with the cooling fan, per Section
6.1.
2. Disconnect the electrical connector of the cooling fan.
3. Use a Phillips screwdriver to remove the attachment screws from the cooling fan.
4. Remove the cooling fan.
Reinstallation:
1. Reinstallation of the Sandia GDU cooling fan is the reverse of the removal. Reference the Main
Instrument Panel Installation drawing, listed in Table 1-2, for more details.
2. If further maintenance is not required, proceed to Section 8.
6.30 GTS 820/850 Traffic Unit
CAUTION:
After any maintenance or modification is made to the GTS 820/850
TAS/TCAS cables such as replacing a connector or entire cable, be
sure to adhere to all of the specifications and limitations such as
minimum and maximum cable attenuation, attenuation balance
between cables, phase matching etc.
Removal:
1. Gain access to the left forward avionics compartment in the nose of the aircraft.
2. Disconnect the eight coax “quick-lock” connectors.
3. Disconnect the three electrical connectors.
4. Unlock the unit from the rack by loosening the ratcheting latch mechanism.
5. Remove the unit from the rack.
Reinstallation:
1. Visually inspect the connectors to ensure there are no bent or damaged pins. Repair any damage.
2. Insert the unit into the installation rack.
3. Lock the unit into the rack by using the ratcheting latch mechanism.
4. Reconnect the eight coax “quick-lock” connectors and the three electrical connectors.
5. Close access to the left forward avionics compartment.
6. Configure the GTS 820/850 per Section 3.12 and test per Section 7.27.
6.31 GPA 65 PA/LNA Unit
Removal:
1. Remove cabin interior to access FS 158 at WL 119 on the left side of the fuselage. Reference the
Antenna Install drawing listed in Table 1-2 for more details.
2. Disconnect the eight coax “quick-lock” connectors.
3. Disconnect the electrical connector.
4. Remove the four mounting screws that hold the unit to the installation brackets.
Reinstallation:
1. Visually inspect the connectors to ensure there are no bent or damaged pins. Repair any damage.
2. Reattach the unit to the mounting brackets reusing existing hardware.