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Elliott Aviation Technical Products Development, Inc.
th
6601 74
Ave Building A
Milan, IL 61264
Instructions for Continued Airworthiness For Garmin ADS-B System Installation
3.2.1 GDL 88 and GTX 3000 rack mounted Line Replaceable Units (LRU):
3.2.1.1
No hand tools are required. The coax and wire harness connectors knurled and are intended to be
removed and tightened by hand. Should assistance in the form of pliers be used, take care to not
distort or over tighten.
3.2.1.2
Observe typical avionics systems precautions including:
3.2.1.3
Each LRU rack uses a lock down mechanism to secure the LRU in the rack.
3.2.1.4
Configuration Modules are located inside the J881 GDL 88 connector and inside each J3302 GTX
3000 connector. Hand tools are required to gain access inside the backshell. Retain hardware
after removal. To install secure retained hardware and Reconnect to applicable unit. Conduct
necessary checkout procedure described elsewhere in this document.
3.2.2 Flight Stream 110 (if installed) Line Replaceable Unit (LRU), AMC, GPS and UAT antennas:
Hand tools are required. These components are secured with screws and nuts. To remove, remove this
hardware and retain. Disconnect the electrical / coax connector. To install, secure with the retained
hardware. Reconnect electrical / coax connector.
3.2.3 ADS-B 1/2 Annunciator:
Hand tools are required. This component is secured with locking paws. To gain access to these locking
paws gently pull the annunciator lens out. Screws located inside loosen the upper and lower screw. Once
locking paw has been loosened pull annunciator body out of the annunciator housing and instrument panel.
To install insert annunciator body back through the instrument panel and annunciator housing. Tighten
locking paws until annunciator body and housing are tight against the instrument panel, then press
annunciator lens firmly into the annunciator body. Conduct necessary checkout procedures described
elsewhere in this document.
Coax connectors. Do not bend or kink the coax, avoid bending the center pin, inspect for
debris prior to reinstallation.
Wire harness connectors. Disengage associated circuit breakers first. Use care when handling
connectors to ensure shield drain integrity, alternate locking screw tightening sequence and
ensure proper alignment during re-installation.
To remove, pull while twisting counter clockwise until the LRU hook is clear. The LRU should
now be free.
To install, align the LRU in the rack. Slide the LRU until the foot is firmly engaged in the rack.
Lift the lockdown mechanism over the LRU hook. Tighten firmly until secure.
Conduct necessary checkout procedures described elsewhere in this document.
LIFTING AND SHORING:
Not applicable this modification.
LEVELING AND WEIGHING:
Not applicable this modification.
Chapter 4
Chapter 5
Report No.: ICA-3832-560
Revision: IR
Dated 01/23/2018
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