GTX 330/330D Installation Manual 190-00207-02Page 2-6 Rev. U2.8.2 Mechanical InstallationNOTEAvoid installing the unit near heat sources. If this is not possible, insure that additionalcooling is provided. Allow adequate space for installation of cables and connectors. Theinstaller will supply and fabricate all of the cables. All wiring must be in accordance withFAA Advisory Circulars AC 43.13-1B and AC 43.13-2B.1. Assemble the connector/rack kit according to Figure C-2. Install the rack assembly according tothe dimensions given in Figure C-1 and Section 1.7.3, Physical Characteristics. Mountingbrackets are not supplied due to the wide range of mounting configurations available. Suitablemounting brackets may be fabricated from sheet metal or angle stock. To insure a sturdy mount,rear support for the unit must be provided.2. Looking at the bottom of the transponder, make sure the front lobe of the locking mechanism is ina vertical position. This can be accomplished by using a 3/32” hex wrench through the face plate.3. Slide the unit into the rack until the front lobe of the unit touches the rack.4. Turn the hex wrench clockwise until unit is secured in the rack. Continue turning until tight. Donot over-tighten the screw.5. To remove the unit from the rack, turn the 3/32” hex wrench counterclockwise until it disengagesfrom the rack.Figure 2-2 GTX 330 Unit Rack (115-00294-00)
