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LMM for the Kodiak 100 Page 4-23
190-02102-00 Rev.4
Contact Garmin Aviation support before disassembly or removal of roll servo cable(s).
4.6.1.12 GMU 44/44B
Visually inspect the GMU 44/44B and rack. Inspect the mounting hardware and GMU 44/
44B for corrosion or other damage. Inspect the mounting hardware and GMU 44/44B for
corrosion or other damage.
4.6.1.13 GTP 59
Inspect the GTP 59 for dirt accumulation, corrosion, and other damage. Clean or replace
as required.
4.6.1.14 GA 58 Traffic System Antenna
Conduct a visual inspect on the GA 58 antenna(s) for proper sealing and attachment. In
the event attachment is not secure, re-attach antenna and complete the Electrical
Bonding Test and investigate any cause of bonding test failure. Correct any
discrepancies and re-seal the antenna.
In the event antenna seal shows signs of damage or decomposition, complete the
Electrical Bonding Test and re-seal the antenna.
In the event of a suspected or actual lightning strike to the aircraft, the GA 58 Antenna(s)
and its associated installation shall be inspected. If the GA 58 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 attached.
At the antenna end ensure there is no damage to the connectors on the antenna and on
the coaxial cable. Ensure the coaxial cable connectors are securely attached to the
antenna connectors. An electrical bonding test must be performed on the GA 58
Antenna.
For a top-mounted GA 58 Antenna, disconnect all four coaxial cable antenna connectors
(GA 58 antenna, connectors (P1-P4). Measure the resistance between the body of the
connector on the antenna base and a nearby exposed portion of aircraft structure
(example: exposed rivet on fuselage stringer). Verify the resistance is equal to or less
than 10 milliohms.
Reconnect all four antenna connectors ensuring each connector is secured. Repeat for
optional bottom-mounted GA 58 Antenna. In the event of bonding test failure, remove
antenna, clean and re-attach using unit replacement procedures in the section of this
manual that covers GA 58 replacement. The fresh attachment should yield resistance
less than or equal to 2.5 milliohms.
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