BIRD ECONOLOAD 8730 Series Manuale utente
INSTRUCTION BOOK
ECONOLOAD®LOAD RESISTOR
SERIES 8730
INCLUDING MODELS 8730A, 8731
8732A, 8738A, AND 8738A110
©Copyright 2009 by Bird Electronic Corporation
Instruction Book P/N 920-8730S Rev. D
Econoload and Termaline are Registered
Trademarks of Bird Electronic Corporation
This Page Intentionally Left Blank
i
Safety Precautions
The following are general safety precautions that are not necessarily related to any specific part or pro-
cedure, and do not necessarily appear elsewhere in this publication. These precautions must be thor-
oughly understood and apply to all phases of operation and maintenance.
Safety Symbols
WARNING
Keep Away From Live Circuits
Operating Personnel must at all times observe general safety precautions. Do not
replace components or make adjustments to the inside of the test equipment with
the high voltage supply turned on. To avoid casualties, always remove power.
WARNING
Shock Hazard
Do not attempt to remove the RF transmission line while RF power is present.
WARNING
Do Not Service Or Adjust Alone
Under no circumstances should any person reach into an enclosure for the
purpose of service or adjustment of equipment except in the presence of
someone who is capable of rendering aid.
WARNING
Safety Earth Ground
An uniterruptible earth safety ground must be supplied from the main power
source to test instruments. Grounding one conductor of a two conductor power
cable is not sufficient protection. Serious injury or death can occur if this
grounding is not properly supplied.
WARNING
Resuscitation
Personnel working with or near high voltages should be familiar with modern
methods of resuscitation.
WARNING
Remove Power
Observe general safety precautions. Do not open the instrument with the power on.
WARNING
Warning notes call attention to a procedure, which if not correctly performed,
could result in personal injury.
ii
Calls attention to supplemental information.
Warning Statements
The following safety warnings appear in the text where there is danger to operating and maintenance
personnel, and are repeated here for emphasis.
On pages 6, 13, 14 and 16.
On page 6.
On pages 8 and 14.
On page 17
CAUTION
Caution notes call attention to a procedure, which if not correctly performed,
could result in damage to the instrument.
This symbol indicates that a shock hazard exists if the precau-
tions in the instruction manual are not followed.
The caution symbol appears on the equipment indicating there
is important information in the instruction manual regarding
that particular area.
This symbol indicates that the unit radiates heat and should not
be touched while hot.
WARNING
Disconnect the unit from all power sources before servicing. The unit may be
energized from multiple sources. The potential for electric shock exists.
WARNING
Improper wiring could result in electric shock and death.
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.
WARNING
If the resistor breaks, there may be splinters or sharp pieces inside the load
housing. Be careful when repairing to avoid being cut.
iii
Caution Statements
The following equipment cautions appear in the text and are repeated here for emphasis.
On page 5.
On page 6.
On pages 6, 7 and 11.
On page 7.
On page 11.
On page 17.
CAUTION
Incorrect hose connections will reverse coolant flow and could destroy the load.
CAUTION
Different control systems are used for 115 Vac and 230 Vac. Use the correct
interlock control for the specific voltage.
CAUTION
If installed, connect optional interlock before applying RF power.
CAUTION
Do not contaminate the coolant with pipe sealant.
CAUTION
Do not interrupt coolant supply. Even momentary application of RF power
while coolant is not circulating could cause immediate destruction of the load
CAUTION
Do not remove the resistor plug. Any attempt to do so will cause leakage and
resistor damage.
iv
Safety Statements
USAGE
ANY USE OF THIS INSTRUMENT IN A MANNER NOT SPECIFIED BY THE MANUFACTURER
MAY IMPAIR THE INSTRUMENT’S SAFETY PROTECTION.
USO
EL USO DE ESTE INSTRUMENTO DE MANERA NO ESPECIFICADA POR EL FABRICANTE,
PUEDE ANULAR LA PROTECCIÓN DE SEGURIDAD DEL INSTRUMENTO.
BENUTZUNG
WIRD DAS GERÄT AUF ANDERE WEISE VERWENDET ALS VOM HERSTELLER
BESCHRIEBEN, KANN DIE GERÄTESICHERHEIT BEEINTRÄCHTIGT WERDEN.
UTILISATION
TOUTE UTILISATION DE CET INSTRUMENT QUI N’EST PAS EXPLICITEMENT PRÉVUE PAR
LE FABRICANT PEUT ENDOMMAGER LE DISPOSITIF DE PROTECTION DE L’INSTRUMENT.
IMPIEGO
QUALORA QUESTO STRUMENTO VENISSE UTILIZZATO IN MODO DIVERSO DA COME
SPECIFICATO DAL PRODUTTORE LA PROZIONE DI SICUREZZA POTREBBE VENIRNE
COMPROMESSA.
v
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 CAPACITADO PARA HACERIO.
WARTUNG
ANWEISUNGEN FÜR DIE WARTUNG DES GERÄTES GELTEN NUR FÜR GESCHULTES
FACHPERSONAL.
ZUR VERMEIDUNG GEFÄHRLICHE, ELEKTRISCHE SCHOCKS, SIND WARTUNGSARBEITEN
AUSSCHLIEßLICH VON QUALIFIZIERTEM SERVICEPERSONAL DURCHZUFÜHREN.
ENTRENTIEN
L’EMPLOI DES INSTRUCTIONS D’ENTRETIEN DOIT ÊTRE RÉSERVÉ AU PERSONNEL
FORMÉ AUX OPÉRATIONS D’ENTRETIEN. POUR PRÉVENIR UN CHOC ÉLECTRIQUE
DANGEREUX, NE PAS EFFECTUER D’ENTRETIEN SI L’ON N’A PAS ÉTÉ QUALIFIÉ POUR CE
FAIRE.
ASSISTENZA TECNICA
LE ISTRUZIONI RELATIVE ALL’ASSISTENZA SONO PREVISTE ESCLUSIVAMENTE PER IL
PERSONALE OPPORTUNAMENTE ADDESTRATO. PER EVITARE PERICOLOSE SCOSSE
ELETTRICHE NON EFFETTUARRE ALCUNA RIPARAZIONE A MENO CHE QUALIFICATI A
FARLA.
vi
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.
vii
About This Manual
This manual covers the operating and maintenance instructions for the following models:
Changes to this Manual
We have made every effort to ensure this manual is accurate. If you discover any errors, or if you
have suggestions for improving this manual, please send your comments to our Solon, Ohio factory.
This manual may be periodically updated. When inquiring about updates to this manual refer to the
part number and revision on the title page.
Terminology
The following terms will be used throughout this manual to refer to certain components of the Econo-
load:
Econoload or Load - The entire unit. It contains the RESISTOR.
Resistor - A subcomponent of the LOAD. This is the ceramic resistor which actually absorbs the RF
power.
Literature Contents
Chapter Layout
Introduction —Describes the features of the Econoload RF Load, lists equipment supplied and
optional equipment, and provides power-up instructions.
Theory of Operation —Describes how the load works on a fundamental level.
Installation —Describes how to install the load or Econoload and it’s components.
Operating Instructions - Describes the features of the Econoload RF Load and its process of operation.
Maintenance —Lists routine maintenance tasks as well as troubleshooting for common problems.
Specifications and parts information are also included.
8730A 8731 8738A
8732A 8738A110
viii
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