Tait TB9300 Installation And Operation Manual

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Tait TB9300 Installation And Operation Manual Manual pdf 99 page image

TB9300 Installation and Operation Manual Maintenance 99© Tait Limited March 20166 MaintenanceThe base station is designed to be very reliable and should require littlemaintenance. However, performing regular checks will prolong the life ofthe equipment and prevent problems from happening.It is beyond the scope of this manual to list every check that you shouldperform on your base station. The type and frequency of maintenancechecks will depend on the location and type of your system. The checks andprocedures listed below can be used as a starting point for yourmaintenance schedule.PerformanceChecks We suggest you monitor the following operational parameters using theweb interface:■ VSWR■ DC input voltage, especially on transmit■ any temperature alarms.These basic checks will provide an overview of how well your base stationis operating.Reciter We recommend that you calibrate the reciter after three months ofoperation, and then annually for H-band reciters, or every three years forB-band reciters. The calibration procedure is described in the Help(Calibrate > Reciter > Internal reference), and requires a calibratedfrequency generator.PA There are no special maintenance requirements for the PA.PMU There are no special maintenance requirements for the PMU. However, wesuggest that you periodically check that the screws on the DC inputterminals are tightened to the recommended torque of 18–20lbf·in(2–2.25N·m). They may work loose with thermal cycling. Also, if you areusing battery back-up, you should check the batteries regularly inaccordance with the manufacturer’s recommendations.Ventilation The base station has been designed to have a front-to-back cooling airflow.We strongly recommend that you periodically check and maintain theventilation requirements described in “Equipment Ventilation” on page 70to ensure a long life and trouble-free operation for your base station. Alsocheck for a build-up of dust in and around the module heatsink fins, frontpanel air intakes, and fan ducts.