Transcription of AC ELECTRICAL TESTING AND TROUBLESHOOTING GUIDE
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AC ELECTRICAL TESTING AND TROUBLESHOOTING GUIDE BC GEN TORS WESTERBEKE CORPORATION MYLES STANDISH INDUSTRIAL PARK !50 JOHN HANCOCK ROAD, TAUNTON, MA 02780-7319 TEL: (508)823-7677 FAX: (508}884-9688 WEBSITE: WWW: ~?PM mlur Nalicmal Marine Manufacturers Association 4th ED/T/ON MARCH 2016 TABLE OF CONTENTS BC Generator ELECTRICAL TESTING ..2 Battery Charging Circuit/Bridge Rectifier .. 10 Generator TROUBLESHOOTING Chart .. 2 TESTING Bridge Rectifier.. 10 Internal Wiring Schematic ..3 Integral Controller/Ballast Resistor .. 11 AC Terminal Board .. : .. 3 Integral Controller ( ) .. 11 Low Voltage-Rotating Field Windings ..4 TESTING the Diodes ..4 TESTING the Rotor Field Windings .. 5 Residual Voltage Exciter Circuit Tests .. 6 TESTING the Exciter Windings .. 6 Exciter Circuit Capacitor(s) Tests .. 7 Measuring Resistance .. 7 Checking Continuity .. 7 TESTING the Capacitor(s) .. 7 Exciting the Generator .. 8 Ballast Resistor .. 11 Measuring Resistance .. 11 Integral Controller/No-Load Voltage Adj.)
to position the diode(s) on the generator's shaft at 12 o'clock. To make a quick check of these windings, presume the ... ing leads and the generator shaft. If continuity is found, there is a short in the windings. Repeat above tests on the second set of windings on
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