OPERATOR MANUAL
SERIES 8320
TENULINE® ATTENUATOR
Electronic Corporation
Cleveland (Solon) Ohio USA
©Copyright 1996 by Bird Electronic Corporation
Instruction Book Part Number 920-8320s Rev. A
Tenuline® is a Registered Trademark
of Bird Electronic Corporation
Limited Warranty
All products manufactured by Seller are warranted to be free from defects in
material and workmanship for a period of one (1) year, unless otherwise spec
ified, 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; no allowance shall be made for
any labor charges of Buyer for replacement of parts, adjustment or repairs, or
any other work, unless such charges are authorized in advance by Seller.
If Seller’s products are claimed to be defective in material or workmanship or
not to conform to specifications, drawings, blueprints and/or samples, Seller
shall, upon prompt notice thereof, either examine the products where they are
located or issue shipping instructions for return to Seller (transporta
tion-charges prepaid by Buyer). In the event any of our products are proved to
be other than as warranted, transportation costs (cheapest way) to and from
Seller’s plant, will be borne by Seller and reimbursement or credit will be
made for amounts so expended by Buyer. Every such claim for breach of these
warranties shall be deemed to be waived by Buyer unless made in writing
within ten (10) days from the date of discovery of the defect.
The above warranties shall not extend to any products or parts thereof which
have been subjected to any misuse or neglect, damaged by accident, rendered
defective by reason of improper installation or by the performance of repairs
or alterations outside of our plant, and shall not apply to any goods or parts
thereof furnished by Buyer or acquired from others at Buyer’s request and/or
to Buyer’s specifications. In addition, Seller’s warranties do not extend to the
failure of tubes, transistors, fuses and batteries, or to other equipment and
parts manufactured by others except to the extent of the original manufac
turer’s warranty to Seller.
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The obligations under the foregoing warranties are limited to the precise
terms thereof. These warranties provide exclusive remedies, expressly in lieu
of all other remedies including claims for special or consequential damages.
SELLER NEITHER MAKES NOR ASSUMES ANY OTHER WARRANTY
WHATSOEVER, WHETHER EXPRESS, STATUTORY, OR IMPLIED, IN
CLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS, AND
NO PERSON IS AUTHORIZED TO ASSUME FOR SELLER ANY OBLIGA
TION OR LIABILITY NOT STRICTLY IN ACCORDANCE WITH THE
FOREGOING.
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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 apply
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 inside test equipment with the
high voltage supply turned on. To avoid casualties, always remove power.
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.
Safety Earth Ground
An earth uninterruptible 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.
Shock Hazard
Do not attempt to remove RF transmission line while RF power is present.
Chemical Hazard
Dry cleaning solvents used to clean parts may be potentially dangerous.
Avoid inhalation of fumes and also prolonged contact with skin.
Resuscitation
Personnel working with or near high voltages should be familiar with modern
methods of resuscitation.
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Bird Model 8320S Tenuline Attenuator
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.
The following safety warnings appear in the text where there is danger to op
erating and maintenance personnel and are repeated here for emphasis.
WARNING
Never attempt to connect or disconnect RF cables while RF power is
on. Radiated RF is a potential health hazard.
WARNING
HIGH VOLTAGE
Electrical shock hazard. Be careful when working near high voltage
cables. Always have someone near capable of rendering aid.
WARNING
Use dry cleaning solvents only in a well ventilated area away from
open flames or sparks. Do not breathe the fumes.Avoid direct skin
contact with solvent.
WARNING
Do not place compressed air near or directly against skin. Do not used
compressed air in excess of 30 psig (207 kPA) when cleaning or drying
parts. Improper use of compressed air can cause serious injury or
death.
WARNING
Coolant contains ethylene glycol a potential health hazard. Avoid
ingestion, inhaling of vapors and eye and skin contact.
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The following equipment cautions appear in the text whenever the equipment
is in danger of damage and are shown here for emphasis.
CAUTION
The Calorimeter can overheat if operated without sufficient coolant.
Failure to keep coolant reservoir adequately filled can result in serious
damage to the equipment.
CAUTION
Use only premixed coolant, Bird part number 6091-120. Use of other
solutions will damage the instrument and void all warranties.
CAUTION
Do not tighten the jack screws with a screwdriver. The screwdriver
slots in the screws are provided for removal purposes only.
CAUTION
During remote operation, periodically monitor the bus service request
line. Failure to detect the service request can result in major equipment
damage.
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About This Manual
This instruction book covers the Tenuline Attenuator Models 8321, 8322,
8323 & 8325, which collectively are refered to as the 8320 Series.
This instruction book is arranged so that essential information on safety ap
pears 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 devided into Chapters and Sec
tions. At the beginning of each chapter, a general overview describes the con
tents of that chapter.
Operation
First time users should read Chapter 1 - Introduction, and Chapter 2 - Installation, to get an overview of equipment capabilities and installation. An experienced operator can refer to Chapter 3 - Operating Instructions. All
instructions necessary to operate equipment appears in this chapter.
Maintenance
All personnel should be familiar with preventative maintenance found in
Chapter 4 - Maintenance. If a failure should occur, the troubleshooting section will aid in isolating and repairing the failure.
Parts
For location of major assemblies or parts, refer to the parts lists Chapter 4.
Changes to this Manual
We have made every effort to ensure this manual is accurate. If you should
discover any errors or if you have suggestions for improving this manual,
please send your comment to our factory. This manual may be periodically
updated. When inquiring about updates to this manual refer to the part num
ber and revision level on the title page.
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Table Of Contents
Safety Precautions..................i
Safety Precautions .....................i
Warning Statements ....................ii
Caution Statements ....................iii
About This Manual ....................iv
Introduction ....................1
Purpose and Function ...................1
Performance Characteristics and Capabilities .........1
Dimensions and Weight ..................1
Power and Utility Requirements ...............1
Environmental Requirements ................1
Items Furnished ......................1
Items Required ......................1
Tools and Test Equipment .................2
Installation .....................5
Location .........................5
Mounting .........................5
Theory of Operation .................7
General .........................7
Operating Instructions ................9
Use And Function Of Controls................9
Initial Adjustments ....................9
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Bird Model 8320S Tenuline Attenuator
Start-up .........................9
Normal Operation .....................9
Operation Under Abnormal Conditions............10
Shutdown ........................10
Emergency Shutdown ...................10
Maintenance....................11
Troublshooting ......................11
Cleaning ...........................11
Outside Surfaces .....................11
Inspection ...........................11
Preventive Maintenance .....................12
RF Assembly Tests .......................12
Disassembly ..........................12
RF Connector ......................12
Coolant and Seals ....................13
Coolant Level .........................14
Models 8321, 8322 and 8323 ................14
Add Coolant .......................14
Replace Coolant .....................14
Model 8325 .......................15
Add Coolant .......................15
Replace Coolant .....................15
Assembly ...........................15
RF Load Resistor Assembly (All Models) ...........15
RF Connector ......................16
Coolant and Seal .....................16
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Reassembly .......................16
Repairs .........................16
Shipment ........................16
Storage .........................17
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