Garmin GTX 45R Installation Manual

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Garmin GTX 45R Installation Manual Manual pdf 35 page image

190-01499-10 GTX 35R/45R Installation Manual (Non-Certified Aircraft)Rev. 1 Page 4-54.4 Connector and Backshell AssemblyCAUTIONDo not place the concave side of the strain relief clamp (9) across the cable bundle. Thecable bundle can be damaged.NOTEEach tapped hole on the backshell (1) will only take two ring terminals (15). It isrecommended to terminate a maximum of two wires (13) per ring terminal. Thisnecessitates the use of a ring terminal, #8, insulated, 14-16 AWG (MS25036-153). If onlya single wire is left or if only a single wire is necessary for this connector, a ring terminal,#8, insulated, 18-22 AWG (MS25036-149) can be used. If more wires exist for theconnector than two per ring terminal, it is permitted to terminate three wires per ringterminal.Refer to figure 4-2 and for this procedure.1. Insert flathead screws (3) through holes on the shield block (2).2. Attach to the backshell (1).3. Insert the crimped wire harness contacts (14) in the D-sub connector (10). Refer to appendix C forthe chosen contact location.4. Group wires as applicable for the connector.5. Wrap the cable bundle with silicone fusion tape (19) so the backshell strain relief and cast housingtouches the cable bundle.6. Place the backshell around the connector and wire harness so it rests against the front of thebackshell.7. Place the smooth side of the backshell strain relief clamp (7) across the cable bundle.8. Attach with three 4-40 x 0.375" pan head screws (6).9. Attach the cover (8) to the backshell using two screws (9).10. On the pan head screw(16) place in order:• Split washer (17)• Flat washer (18)• First ring terminal (15)• If necessary, second ring terminal11. Insert the assembled pan head screw (16) into the tapped holes on the shield block (2).