Bird Technologies 8833-300 User Manual
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Instruction Book
with
Parts List
January 1, 1996
TERMALINE® LOAD RESISTOR
MODEL 8833-300
Bird Electronic Corporation
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© Copyright 1996 by Bird Electronic Corporation
Instruction Book Part Number TO-nnnn-nn-nnn-nn
Termaline® is a registered trademark of
Bird Electronic Corporation
30303 Aurora Road
Cleveland (Solon), Ohio 44139-2794
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 specified,
from date of shipment and to conform to applicable
specifications, drawings, 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 (transportationcharges 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 manufacturer’s warranty to Seller.
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, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS, AND NO PERSON
IS AUTHORIZED TO ASSUME FOR SELLER ANY
OBLIGATION OR LIABILITY NOT STRICTLY IN ACCORDANCE WITH THE FOREGOING.
RF Load Resistor Model 8833-300
Page 3
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.
Keep Away From Live Circuits
Operating personnel must at all times observe normal
safety regulations. Do not attempt to replace parts or
disconnect an RF transmission or any other high
voltage line while power is applied. When working
with high voltage always have someone present who
is capable of rendering aid if necessary. Personnel
working with or near high voltage should be familiar
with modern methods of resuscitation.
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 will appear in the text of this publication
and are shown here for emphasis.
Warning
Before placing the unit into operation, remove the
shipping plug at the top of radiator, near front, substitute with the specially shielded breather plug. Use
a 3/4 inch flat wrench for this purpose - do not lose
the O-Ring seal. This vent hole must remain open 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. The
use of the vent plug also protects the filler opening
against intrusion of foreign material while allowing
unobstructed venting of the tank. The shipping plug
(with O-Ring seal) should be put back in place
whenever the unit is to be transported. Be sure to
check this plug.
Warning
Never attempt to disconnect RF equipment from a
transmission line while RF power is being applied.
Leaking RF energy is a potential health hazard.
Warning
Provide adequate ventilation and observe normal
precautions when using dry cleaning solvents. Many
dry cleaning agents emit toxic fumes that may be
harmful to your health if inhaled.
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Page 4
Introduction5
1.
Purpose and Function5
Description5
RF Input5
Coolant5
Vent5
Items Supplied5
Specifications5
Component Location6
Installation7
Mounting7
Table Of Contents
Orientation7
Vent7
Installing Vent Plug7
Thermoswitch7
Checking the DC Resistance8
Theory of Operation9
General9
Dielectric Coolant9
Radiator9
Operating Instructions10
Load Resistor Connection10
Load Resistor Operation10
Maintenance11
General11
Checking DC Resistance of the Load Resistor11
Removing the Load Resistor11
Installing the Load Resistor11
Preventing Coolant Leakage12
Checking Coolant Level12
Pressure Vent12
RF Input Connector12
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