Garmin GTN 6 series Instructions Manual - Page 19

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Garmin GTN 6 series Instructions Manual

2.9 Diagrams

Aircraft specific LRU locations and wire routing diagram forms are contained in Appendix A of this
document. Completed forms are to be retained with the aircraft permanent records.
Point-to-point wiring diagrams for the GTN, GMA 35, and interfaced equipment included with the aircraft
permanent records.
GTN and GMA 35 locations are described in Section 2.8 of this document.

2.10 Special Inspection Requirements

If an antenna is replaced under this STC, an antenna visual inspection must be performed if there is a
suspected lighting strike on the aircraft. In the event of a suspected or actual lightning strike to the
aircraft, the GPS antenna(s) and its associated installation shall be inspected.
If the antenna was struck by lightning then the antenna and the surrounding installation shall be
inspected to ensure that there is no structural damage around the areas where lightning may have
struck. See Table 2 for inspection criteria.
Execute the system checkout procedure for the GPS/WAAS and/or XM system using the antenna, to
ensure the system(s) are operating correctly.
No action is required for hard landing inspections.

2.11 Application of Protective Treatments

None. N/A.

2.12 Data Relative to Structural Fasteners

Refer to Garmin P/N 190-01007-B1,
for fastener information.

2.13 Special Tools

A milliohm meter with an accuracy of +/- 0.1 milliohms ohms (or better) is required to measure the
electrical bonding between the GTN/GMA system components and aircraft ground.

2.14 Additional Instructions

None. N/A

2.15 Overhaul Period

The system does not require overhaul at a specific time period. Power on self-test and continuous BIT
will monitor the health of the GTN system. If any LRU indicates an internal failure, the unit may be
removed and replaced (Refer to Section 5 of the GTN 6XX/7XX PART 27 AML STC MAINTENANCE
MANUAL for Removal and Reinstallation instructions). See GTN 6XX/7XX PART 27 AML STC
MAINTENANCE MANUAL, Section 4 for Troubleshooting information.
190-01007-KB Rev. 3
Instructions for Continued Airworthiness GTN 6XX/7XX - MD369E/F/FF
GTN 6XX/7XX PART 27 AML STC MAINTENANCE MANUAL
Section 5
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