INSTRUCTION BOOK
A
OPERATING INSTRUCTIONS
TENULINE®ATTENUATOR
MODEL 8327-300
Electronic Corporation
Cleveland (Solon) Ohio US
©Copyright 1998 by Bird Electronic Corporation
Instruction Book Part Number 920-8327-300 Revision A
Tenuline
®
is a Registered Trademark of
Bird Electronic Corporation
Bird Model 8327-300 Attenuator
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 precautions must be thoroughly
understood and applied to all phases of operation and maintenance.
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 turned on. To avoid casualties,
always remove power.
Shock Hazard
Do not attempt to remove the RF transmission line while RF power is present. Radiated RF power is a
potential health hazard.
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 or rendering aid.
Resuscitation
Personnel working with or near high voltages should be familiar with modern methods of resuscitation.
Safety Symbols
WARNING
Warning notes call attention to a procedure, which if not correctly performed, could result in personal injury.
CAUTION
Caution notes call attention to a procedure, which if not correctly performed, could result in damage to the instrument.
This symbol appears on the equipment indicating there is important information in
the instruction manual regarding that particular area.
+ Note: Calls attention to supplemental information.
Model 8327-300 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.
WARNING
The vent plug must be used at all times when the unit is in operation or cooling. Failure to do this could result in
damage to the equipment and endanger the operator’s safety. Be sure to check this plug.
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Bird Model 8327-300 Attenuator
WARNING
Using this load in the upper end of its power dissipation range will cause the housing to become hot! Care should be
exercised in touching it.
WARNING
Never attempt to disconnect the equipment from the transmission line while RF power is being applied. Leaking RF
energy is a potential health hazard.
Model 8327-300 Caution Statements
The following caution appears in the text whenever a procedure, if not properly followed, could put the
equipment in danger of damage and is repeated here for emphasis.
CAUTION
This equipment is designed for operation in a horizontal position only, with mounting brackets down. Do not operate
in any other manner.
Model 8327-300 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.
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.
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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.
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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Bird Model 8327-300 Attenuator
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About This Manual
This instruction manual covers the Model 8327-300 Tenuline Attenuator. This instruction book is arranged
so essential information on safety is contained in the front of the book. Reading the Safety Precautions
section before operating the equipment is strongly advised.
The remainder of this instruction book is divided into chapters and sections.
Operation
First time operators should read Chapter 1 - Introduction, Chapter 2 - Theory of Operation, and Chapter
3 - Installation to get an overview of equipment capabilities and how to install it. An experienced operator
can refer to Chapter 4 - Operating Instructions. All instructions necessary to operate the equipment are
contained in this chapter.
Maintenance
All personnel should be familiar with preventive maintenance found in Chapter 5 - Maintenance. If a failure
should occur, the troubleshooting section will aid in isolating and repairing the failure.
Parts
For the location of major assemblies or parts, refer to the parts lists and associated drawings in Chapter
5 - Maintenance.
Changes To This Manual
We have made every effort to ensure this manual is accurate at the time of publication. If you should
discover any errors, or if you have suggestions for improving this manual, please send your comments to
our factory. This manual may be periodically updated, when inquiring about updates to this manual refer
to the part number and revision level on the title page.
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Bird Model 8327-300 Attenuator
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Table Of Contents
Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . i
Warning Statements. ..................................i
Caution Statements. ..................................ii
Safety Statements. ...................................ii
About This Manual. ................................. v
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Purpose and Function. ................................ 1
Description. ...................................... 1
Items Supplied. .................................... 1
Items Required. ................................... 1
Optional Items. .................................... 1
Specifications. ...................................... 2
Theory Of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Site and Shelter Requirements. ........................... 5
Unpacking and Inspection. .............................. 5
Tools Required. ................................... 5
Mounting. ....................................... 5
Vent Plug. ...................................... 6
Thermoswitch. .................................... 6
Operating Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . 9
Initial Adjustments. .................................. 9
Connection. ...................................... 9
Normal Operation. .................................. 9
Operation Under Abnormal Conditions. .......................10
Shutdown. ......................................10
Emergency Shutdown. ................................10
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