Nautel NV30 Operation And Maintenance Manual

Also see for NV3.5: Troubleshooting manual

Nautel NV30 Operation And Maintenance Manual Manual pdf 142 page image

NV30/NV40 Operations and Maintenance Manual Non-standard maintenancePage 4-6 Issue 3.3 2014-12-10Changing the RF output connectorIf you need to change the size of the RF output connector, replace it as follows:IntervalAs required.Parts and toolsCoaxial cable or hardline that matches new connector size, complete with field flange and inner male(bullet) connector.Connector kit, available from Nautel. As a minimum, the following options are available:– 4-1/16 inch EIA, M10 hardware (kit # 206-5224); standard for NV40/NV30– 3-1/8 inch EIA, M10 hardware (kit # 206-5225-01)ProcedureTake the following steps to change an NV30/NV40 RF output connector (See Figures 4.1 and 4.2 asguides for assembly and disassembly):1. Determine the size of the new RF output connector and order the appropriate kit fromNautel (see “Parts and tools” for options).2. Unpack the new connector kit and inspect the parts for damage.3. Turn off the transmitter and disable or lock out its ac power source.4. Remove the old RF coaxial feed cable from the RF output connector, noting is is securedusing 3/8 or 5/16 hardware.5. Remove the old output plate and spacer plates, noting the plates are secured together as wellas to the output power probe using eight M6 screws. Retain all hardware.Note:Nautel configures the transmitter with the customer’s pre-ordered RF output connector. There arevarious factors that determine the appropriate size of the RF output connector, such as site location(altitude), power level, and available coaxial cable. The coaxial cable must be the same size as theRF output connector to physically fit together.