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Summary of Contents for BIRD TERMALINE 8860 Series
- Page 1 ® TERMALINE LOAD RESISTOR SERIES 8860 COVERING MODELS ©Copyright 2012 by Bird Electronic Corporation Instruction Book Part Number 920-8860S Rev. D ® ® Termaline and Tenuline are Registered Trademarks of Bird Electronic Corporation...
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Page 3: Safety Precautions
Safety Precautions The following are general safety precautions that are not necessarily related to any specific part or procedure, and do not necessarily appear elsewhere in this publication. These precau- tions must be thoroughly understood and apply to all phases of operation and maintenance. WARNING Keep Away From Live Circuits Operating Personnel must at all times observe general safety precautions. -
Page 4: Warning Statements
This symbol indicates that a shock hazard exists if the precautions in the instruction manual are not followed. The caution symbol appears on the equipment indicating there is impor- tant information in the instruction manual regarding that particular area. This symbol indicates that the unit radiates heat and should not be touched while hot. -
Page 5: Caution Statements
Do not contaminate the coolant with pipe sealant. See pages 6. CAUTION If installed, connect optional interlock before applying RF power. See pages 6. CAUTION Use only Bird coolant, P/N 5-1070, to prevent damage to the load. See pages 13. -
Page 6: Safety Statements
Safety Statements USAGE ANY USE OF THIS INSTRUMENT IN A MANNER NOT SPECIFIED BY THE MANUFACTURER MAY IMPAIR THE INSTRUMENT’S SAFETY PROTECTION. EL USO DE ESTE INSTRUMENTO DE MANERA NO ESPECIFICADA POR EL FABRICANTE, PUEDE ANULAR LA PROTECCIÓN DE SEGURIDAD DEL INSTRUMENTO. - Page 7 SERVICE SERVICING INSTRUCTIONS ARE FOR USE BY SERVICE - TRAINED PERSONNEL ONLY. TO AVOID DANGEROUS ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING UNLESS QUALIFIED TO DO SO. SERVICIO LAS INSTRUCCIONES DE SERVICIO SON PARA USO EXCLUSIVO DEL PERSONAL DE SERVICIO CAPACITADO. PARA EVITAR EL PELIGRO DE DESCARGAS ELÉCTRICAS, NO REALICE NINGÚN SERVICIO A MENOS QUE ESTÉ...
- Page 8 CONNECT INTERLOCK TO TRANSMITTER BEFORE OPERATING. BRANCHER LE VERROUILLAGE À L'ÉMETTEUR AVANT EMPLOI. CONECTE EL INTERBLOQUEO AL TRANSMISOR ANTES DE LA OPERACION. VOR INBETRIEBNAHME VERRIEGELUNG AM SENDER ANSCHLIESSEN. PRIMA DI METTERE IN FUNZIONE L'APPARECCHIO, COLLEGARE IL DISPOSITIVO DI BLOCCO AL TRASMETTITORE.
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Page 9: About This Manual
Chapter Layout Introduction - Describes the features of the Bird Termaline, Semiconductor, RF Load Resistor lists equipment supplied and optional equipment, and provides power-up instructions. Theory of Operation - Describes how the Termaline, Semiconductor, RF Load Resistor works and its functions. -
Page 10: Table Of Contents
Table of Contents Safety Precautions ............i Safety Symbols . -
Page 11: Chapter 1 Introduction
Bird 8860 Series Loads are portable 50 ohm coaxial RF transmission line terminations, designed for frequency ranges of dc – 2000 MHz. Bird 8860D Series Loads are identical, except that they are designed for the UHF (470 – 860 MHz) band. -
Page 13: Chapter 2 Theory Of Operation
Theory of Operation Load Resistor Bird 8860 Loads consist of a thin-film-on-ceramic resistor immersed in a dielectric coolant. The resistor, individually selected for its accuracy, is enclosed in a special housing. When surrounded by the coolant, this produces a uniform, practically reflectionless line termination over the specified frequencies. -
Page 15: Chapter 3 Installation
If the shipping container is not damaged, unpack the unit. Save shipping materi- als for repackaging. 3. Inspect unit for visual signs of damage. Note: If there is damage, immediately notify the shipping carrier and Bird Elec- tronic Corporation. Setup Note: Before first using the load, get a resistance baseline for future maintenance. -
Page 16: Installing Thermoswitch
Installing Thermoswitch Bird 8860 series loads can be equipped with an optional interlock thermoswitch, P/N 8890-008. It is normally closed, opening at 236 °C (457 °F), with a rating of 10A @ 120Vac and 5A @ 230Vac. WARNING The vent plug must be used at all times when the unit is operating or cooling. Failure to do so could result in an explosion or severe burns. -
Page 17: Connecting Rf Power
Figure 4 Thermoswitch Assembly Connecting RF Power After installing the load, the RF transmission line can be attached using standard coaxial line coupling kits. WARNING Never attempt to connect or disconnect RF equipment from the transmission line while RF power is being applied. -
Page 18: Unflanged Coupling
Figure 5 Swivel Flanged Coupling RF COAXIAL LINE BOLT BULLET LOAD Unflanged Coupling To couple the unflanged connector with an unflanged RF line, use an appropriate coupling kit. Refer to Figure 6 while following the instructions below: 1. Insert the center bullet. 2. -
Page 19: Chapter 4 Operating Instructions
Chapter 4 Operating Instructions Normal Operation Bird 8860 series Loads have no indicators or operating controls. They require no special operating procedures or sur- veillance when their performance limits are not exceeded. Follow the instructions for the specific transmitter equip- ment. -
Page 21: Chapter 5 Maintenance
Chapter 5 Maintenance This chapter covers cleaning, inspection, trouble-shooting, and specifications for the Bird 8860 series loads. WARNING Never attempt to connect or disconnect RF equipment from the transmission line while RF power is being applied. Leaking RF energy is a potential health hazard. -
Page 22: Maintenance
Maintenance Cleaning The outside surface of the instrument should be wiped free of dust and dirt when necessary. Excessive dust on the cooling fins will interfere with heat dissipation. Clean the RF connector, both metallic and insulating surfaces, with a dry, non-residue forming solvent. -
Page 23: Inspecting The Coolant
Replacing the RF Connector The Model 8860, only, has a special Bird “QC” connector which allows easy changing of the RF connector. This does not disturb the coolant seal or affect the electrical continuity of the load. To change the connector, proceed as fol- lows: 1. -
Page 24: Replacing The Load Resistor
Remove the shipping plug and install the vent plug. Storage and Shipment Storing the Load Resistor • Cover Bird 8890 Loads before storing to keep out dust and dirt. • It is not necessary to install the shipping plug. •... -
Page 25: Customer Service
Any maintenance or service procedure beyond the scope of those in this chapter should be referred to a qualified service center. If you need to return the unit for any reason, request an RMA through the Bird Technologies website (link shown below). All instruments returned must be shipped prepaid and to the attention of the RMA number. -
Page 26: Specifications
Specifications Frequency Range 8862D, 8862D13-30, 470 – 860 MHz 8864D All other models dc – 2000 MHz Power Rating 1500 W continuous duty Impedance, Nominal 50 ohms VSWR 8862D, 8862D13-30, 1.065 8864D All other models dc – 1 GHz: 1.1 1 –... -
Page 27: Replacement Parts
Replacement Parts Description Part Number RF Load Resistor 8860 8890A050 8861 8895-015 8862, 8862D 8892-015 8862D13-30 8862-017 8863 8897-003 8864 8891-050 8864D 8891-071 Resistor O-Ring 5-230 Clamping Band Assembly 2430-055 Plug Vent 2450-094 Shipping 2450-049 Overtemp Thermoswitch 8890-008 Coolant, 1.5 gal (5.7 liter) 5-1070-3 Radiator Assembly 8860-002... -
Page 28: Available "Qc" Type Connectors
Available “QC” Type Connectors Connector Part Number BNC-Female 4240-125 BNC-Male 4240-132 C-Female 4240-100 C-Male 4240-110 HN-Female 4240-268 HN-Male 4240-278 LC-Female 4240-031 LC-Male 4240-025 Open Term. 4240-080 # 10-32 Nut LT-Female 4240-018 LT-Male 4240-012 N-Female 4240-062 N-Male 4240-063 SC-Female 4240-090 SMA-Female 4240-336 SMA-Male 4240-334... -
Page 29: Limited Warranty
Limited Warranty All products manufactured by Seller are warranted to be free from defects in material and workmanship for a period of one year, unless otherwise specified, from date of shipment and to conform to applicable specifications, draw- ings, blueprints and/or samples. Seller’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted;...
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