G1000 NXi System Maintenance Manual
Page 244
King Air 300 Series
Revision 1
190-00716-N1
5. Continue to Section 9 and conduct the return to service checkout.
GEA 71 Backshell Thermocouple Removal & Replacement
The GEA 71 has a K-Type thermocouple (Item 1 shown below) installed in its backshell, in
addition to the configuration module. The thermocouple is used in conjunction with the
configuration module temperature sensor to compensate for temperature probe errors resulting
from the dissimilar metals at the pin contacts.
Figure 6-6, GEA Backshell Thermocouple
Table 6-4, Thermocouple Kit (011-00981-00)
Item #
Description
Qty Needed
Garmin Part Number
1
3” Thermocouple, K type
1
925-L0000-00
2
Pins #22 AWG
2
336-00021-00
3
Screw
1
211-60234-08
Removal:
1. Remove GEA 71 per Section 6.4.
2. Remove GEA connector backplate.
3. Remove connector assembly J711 from the backplate.
4. Remove screws, item 7, and cover, item 6, from the backshell, item 5.
5. Unscrew thermocouple from boss on backshell. Extract the thermocouple pins from the
connector.
Replacement:
1. Crimp pins, item 2, onto each of the thermocouple wires, item 1. Ensure that pre-
stripped wire length is 1/8” prior to crimping.
Summary of Contents for G1000 NXi
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