COBHAM RT-7000 PMR User Manual

150-071724 Rev N
This document contains proprietary information,
see proprietary statement on first page.
Page 47 of 138
Use of a backing plate is highly recommended. Mounting screws should be secured
with stainless steel nuts with flat washers and lock washers, or with flat washers and
lock nuts to secure the antenna properly. Sandwich the aircraft skin between the
antenna base plate and the internally mounted backing plate. Before securing the
antenna to the aircraft be sure that all the cables are connected to the unit and fit
through the connector holes, as some connector outside diameters vary in size. Gently
tighten the mounting hardware so that uniform stress is placed on each side of the
antenna. For #8-32 screws DO NOT exceed 20 in-lbs of torque and for #10-32 screws
DO NOT exceed 23 in-lbs of torque. Refer to fastener manufacturer’s torque
guidelines to confirm that these recommended settings do not exceed the chosen
fasteners torque limits. Double check that a reading of .003 ohms between the
antenna base plate and ground has been achieved.
A bead of sealant such as Dow Corning RTV-738 should be applied to the outside
perimeter of the mounting surface.
6.8.6 IMPORTANT ANTENNA WARNINGS
Failure to follow Installation Instructions, and/or supplemental information and
guidance provided by the FAA when installing antennas could result in poor systems
performance, a void in warranty, and/or damage to the aircraft.
6.8.7 ANTENNA DRAWINGS
See Figures Figure 6-6 through Figure 6-13 for appropriate antenna mounting
dimensions.
 AT-560
See the AT-560 envelope drawing, Figure 6-6: AT-560 Antenna Envelope Drawing
(Sheet 1 of 1) (Dwg No. 121-040130.M, Rev. M) for dimensions.
 AT-570
See the AT-570 envelope drawing, Figure 6-7 for dimensions.
Mount antenna with No. 10 screws.
 FC-5000
Note: The FC-5000 Logic Converter is required for the AT-5000 antenna.
See the FC-5000 envelope drawing, Figure 6-14 for dimensions.
 AT-160
See the AT-160 envelope drawings, Figure 6-8, for dimensions.
Mount antenna with No. 10 screws.
 AT-5000
See the AT-5000 envelope drawing, Figure 6-9, for dimensions.
Mount antenna with No. 10 screws.
 AT-462
See the AT-462 envelope drawing, Figure 6-9, for dimensions.
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COBHAM RT-7000 PMR Specifications

General

Brand	COBHAM
Model	RT-7000 PMR
Category	Radio
Language	English