190-00734-11
GTX 33X and GTX 3X5 ADS-B Maintenance Manual
Rev. 6
Page B-12
B.5 Bonding Jumper
To replace any bonding strap from vibration-isolated instrument panel grounding to metallic structure, use
the following criteria.
•
The bonding strap length must not exceed six inches in length
•
The bonding strap must not loop back on itself
•
The strap must not bend more than 45 degrees
•
Refer to
Bonding Jumper Installations
in AC 43.13-1B Chapter 11 for guidance on attaching
the bonding strap to structure
Remove the existing jumper. Install the replacement bonding jumper using the following procedure (refer
to figure B-9 and table B-4).
1. Construct a bonding strap by securely attaching 5/16-inch inside diameter terminal lugs to each
end of the overbraid.
2. Ensure all surface preparation material (e.g., primer, paint, etc.) is removed between the large
diameter flat washer (item 6) under the terminal lug and metallic surface on the aircraft
(instrument panel and aircraft metallic structure or aircraft ground).
3. After assembly and bonding check, prime the airframe structure or instrument panel in accordance
with one of the following.
•
The approved aircraft maintenance manual
•
MIL-PRF-85285 Type I, Color to suit (36081 Flat Gray Preferable) Coating: Polyurethane,
Aircraft and Support Equipment
•
MIL-PRF-23377 Type I, Class N, Primer Coatings: Epoxy, High-Solids
4. Install one end of the bonding strap to the instrument panel and the other end to aircraft metallic
