Gdu Cooling Fans; Gts 8Xx Traffic Unit - Garmin G1000 System Maintenance Manual

Removal:
1. Gain access into the nose avionics equipment bay.
2. Disconnect the cooling fan hoses from the cooling fan. Take necessary precautions to prevent
any foreign debris from entering the fan hoses during maintenance.
3. Disconnect the electrical connector of the cooling fan.
4. Use a Phillips screwdriver to remove the attachment screws from the cooling fan.
Remove the cooling fan
5.
Reinstallation:
1. Reinstallation of the avionics cooling fan is the reverse of the removal. Reference the Electrical
Equipment Install, Nose Bay drawing, listed in Table 1-2, for more details.
2. If further maintenance is not required, proceed to Section 8.
6.30

GDU Cooling Fans

Removal:
1. Remove the display associated with the cooling fan, per Section
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.
6.31

GTS 8XX Traffic Unit

After any maintenance or modification is made to the GTS 8XX
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.
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CAUTION:
G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
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