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Bird Electronic Econoload 8730 Series, Instruction Book

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Bird Electronic Econoload 8730 Series Instruction Book Download Page 10

viii

Maintenance   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .   13

Troubleshooting .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  13
Maintenance .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  13

Cleaning  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  13
Inspection   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  14
DC Resistance  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  14

Repair  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  15

Flow Switch   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  15
Time Delay Switch .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  15
Safety Light  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  16

Resistor Servicing .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  17

Resistor Removal.  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  18
Inspection   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  18
Resistor Replacement  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  18
Conductor Replacement  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  19

Preparation for Storage or Shipment .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  20
Customer Service  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  20
Specifications  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  21
Replacement Parts   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  22

Bird 8730A, 8732A, and 8738A  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  22
Bird 8731 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  22
Interlock (Optional)  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  23

Summary of Contents for Econoload 8730 Series

Page 1: ...D RESISTOR SERIES 8730 INCLUDING MODELS 8730A 8731 8732A AND 8738A Copyright 2005 by Bird Electronic Corporation Instruction Book P N 920 8730S Rev C Econoload and Termaline are Registered Trademarks...

Page 2: ...This Page Intentionally Left Blank...

Page 3: ...t Alone Under no circumstances should any personnel 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 Safe...

Page 4: ...ion 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 th...

Page 5: ...ION Different control systems are used for 115 Vac and 230 Vac Use the correct interlock control for your voltage CAUTION If installed connect optional interlock before applying RF power CAUTION Do no...

Page 6: ...LISATION DE CET INSTRUMENT QUI N EST PAS EXPLICITEMENT PR VUE PAR LE FABRICANT PEUT ENDOMMAGER LE DISPOSITIF DE PROTECTION DE L INSTRUMENT IMPIEGO QUALORA QUESTO STRUMENTO VENISSE UTILIZZATO IN MODO D...

Page 7: ...NZA TECNICA LE ISTRUZIONI RELATIVE ALL ASSISTENZA SONO PREVISTE ESCLUSIVAMENTE PER IL PERSONALE OPPORTUNAMENTE ADDESTRATO PER EVITARE PERICOLOSE SCOSSE ELETTRICHE NON EFFETTUARRE ALCUNA RIPARAZIONE A...

Page 8: ...nance All personnel should be familiar with preventative maintenance found in Chapter 5 Maintenance If a failure should occur the troubleshooting section will aid in isolating and repairing the failur...

Page 9: ...8732A Only 3 Calorimetry 4 Installation 5 Unpacking and Inspection 5 DC Resistance 5 Placement 5 Coolant 6 Hoses 6 Interlock Optional 7 Thermoswitch 8732A Only Optional 8 Connecting RF Power 9 Operati...

Page 10: ...witch 15 Time Delay Switch 15 Safety Light 16 Resistor Servicing 17 Resistor Removal 18 Inspection 18 Resistor Replacement 18 Conductor Replacement 19 Preparation for Storage or Shipment 20 Customer S...

Page 11: ...t Bird Electronic Corporation for information on using Econoloads with pulsed signals y Make precise calorimetric measurements by using an Econoload with a Bird 6085 Calorimeter y Designed for easy fi...

Page 12: ...Bird 8730 Series Econoload RF Load Resistor 2 Figure 1 8730 Series Econoload Outline Drawing TERMALINE ECONOLOAD 2 5 64 mm 12 305 mm Depends On Connector Depends On Connector Water Output Water Input...

Page 13: ...Coolant on page 6 and to Specifications on page 21 Optional Flow Interlock A minimum coolant flow of four galons per minute is required at all times to dissipate the heat from RF power When the flow r...

Page 14: ...and the difference between the input and output coolant temperatures can be used to calculate the power dissipated in the load with the following formula where P Power in kilowatts k 0 263 for tempera...

Page 15: ...ns of damage Immediately notify the shipping carrier and Bird Electronic Corporation of equipment damage or missing parts DC Resistance Before first using the load get a resistance baseline for future...

Page 16: ...fittings For rigid piping replace the hose adapters with 1 2 male pipe fittings If the optional flow switch is installed it is attached to the water INPUT y The Econoload s water INPUT is located in t...

Page 17: ...inal 2 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...

Page 18: ...rled ring nut A at the lower end of the coupling jack assembly Pull it off the thermoswitch jack B Unscrew the small knurled cover fitting from the base plug D of the connector to release the base 2 T...

Page 19: ...onnect the coaxial input in a straight line and push carefully on the center conductor to close NOTE The swivel flange on the load makes connection independent of the orientation of the fixed flange o...

Page 20: ...ctions below y Insert the center bullet and bottom it on the midpoint nibs y Position the outer sleeve with clamping bands over the input connector y Set the transmission line snugly against the coupl...

Page 21: ...at 60 C 140 F 2 Wait for the coolant flow to stabilize 3 Apply RF power Shutdown 1 Turn off RF power at the source 2 Wait at least five minutes for the Econoload to cool 3 Turn off the water supply A...

Page 22: ...or the flow switch to close it will click when it closes 4 Wait about 12 seconds The time delay switch should close and the red light on the control box should turn ON 5 Apply RF power Shutdown 1 Turn...

Page 23: ...installed periodically remove it from the load and clean off any dirt or scale which might prevent the switch from functioning Problem Possible Cause Correction Transmitter won t turn on or shuts off...

Page 24: ...and should be measured annually Perform the following steps and record the value for future comparison Make sure that you have an ohmmeter with an accuracy of 1 at 50 ohms and that the load temperatu...

Page 25: ...he slotted screw 1 4 turn 3 Loosen the screw at the top of the relay clamp then press the clamp legs in slightly to release the relay 4 Pull the relay cartridge straight out of its socket 5 Insert the...

Page 26: ...lock control box 1 Turn off the RF power and interlock circuitry and disconnect the RF line and ac line 2 Unscrew the lens cover at the top of the control box to expose the bulb 3 Gently push down on...

Page 27: ...rvicing The unit may be energized from multiple sources The potential for electric shock exists Figure 7 Load Exploded View Water Chamber Screws 1 4 20 x 2 1 2 Socket Head Cap Screw 4 Water Chamber As...

Page 28: ...has been successfully removed inspect it carefully to insure that it has not been fractured In most cases even in the event of complete resistor burnout the resistor will remain intact Examine the in...

Page 29: ...uld be about 50 ohms Record this measurement as the new baseline reading 9 Connect the load to the coolant supply and cycle the coolant for five minutes Check for leaks Conductor Replacement 1 Remove...

Page 30: ...o avoid shock damage 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...

Page 31: ...3 1 8 Unflanged Operating Position Any Coolant For operation at 1kHz or lower use only distilled water as the coolant For operation at greater than 1kHz use distilled or potable water Coolant Connecti...

Page 32: ...hillips Head Screw 8 32 x 3 4 5 1118 1211 00 Socket Set Screw 10 32 x 1 4 Cone pt 1 1129 0400 25 Socket Set Screw 1 4 20 x 3 4 6 1121 1208 00 Center Conductor Assembly 8730A 8732A 8738A 1 8730A053 873...

Page 33: ...ontrol Assembly 115 Vac 230 Vac 1 8750 101 1 8750 101 2 Interlock Control Assembly Components Relay Clamp 1 8630 193 Time Delay Relay 115 Vac 230 Vac 1 5 1664 5 1665 Indicator Light 115 Vac 230 Vac 1...

Page 34: ...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...

Page 35: ...product to which this declaration relates is in conformity with the provisions of the following standards 1 European Standard EN 61010 1 1993 Safety Group II This standard is in accordance with Counc...

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