WESTERBEKE GASOLINE GENERATOR

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GENERATOR INFORMATIONUSE OF ELECTRIC MOTORSThe power required to start an electric motor is considerablymore than is required to keep it running after it is started.Some motors require much more current to start than others.Split-phase (AC) motors require more current to start, undersimilar circumstances, than other types. They are commonlyused on easy-starting loads, such as washing machines, orwhere loads are applied after the motor is started, such assmall power tools. Because they require 5 to 7 times as muchcurrent to start as to run, their use should be avoided, wheneverpossible, if the electric motor is to be driven by a smallgenerator. Capacitor and repulsion-induction motors requirefrom 2 to 4 times as much current to start as to run. The CUTrentrequired to start any motor varies with the load connectedto it. An electric motor connected to an aircompressor, for example, will require more current than amotor to which no load is connected.In general, the current required to start 115 volt motorsconnected to medium starting loads will be approximatelyas follows:AMPS FORAMPS FORMOTOR SIZE RUNNING STARTING(HP) (AMPERES) (AMPERES)1/6 3.2 6.4 TO 22.41/4 4.6 9.2 TO 32.21/3 5.2 10.4 TO 72.81/2 7.2 14.4 TO 29.23/4 10.2 20.4 TO 40.81 13 26 TO 52REQUIREO OPERATING SPEEDAlthough individual units may vary slightly, the normalvoltage and frequency of typical 60 (50) hertz engine-drivengenerators described in this manual are approximately as follows:run first with no load applied, then at half the generator'scapacity, and finally loaded to its full capacity as indicated onthe generator's data plate.The output voltage should be checked periodically to ensureproper operation of the generating plant and the appliances itsupplies.GENERATOR FREQUENCY ADJUSTMENT• Frequency is a direct result of engine/generator speed, asindicated by the following:• When the generator is run at 3600 rpm, the AC voltageoutput frequency is 60 hertz.• When the generator is run at 3000 rpm, the AC voltageoutput frequency is 50 hertz.Therefore, to change the generator's frequency, the generator'sdrive engine's speed must be changed. A reconfiguring of theAC output connections at the generator must also be made.GENERATOR MAINTENANCEMaintaining cleanliness is important. Do not allow salt, dust,or carbon from engine exhaust to build up on either the generatoror its engine.NOTE: In the above table the maximum "AMPS FORSTARTING" is more for some small motors than for largerones. The reason for this is that split-phase (the hardest startingtypes) are used in the smaller motors only.Because the heavy surge of current needed for startingmotors is required for only an instant, the generator will notbe damaged if it can bring the motor up to speed in a fewseconds. If difficulty is experienced in starting motors, tumoff all other electrical loads and, if possible, reduce the loadon the electric motor.BAND-FLANGEREARCAPACITORPFRONT COVERGENERATOR COMPONENTSCONTROL BOXEngines & Generators31
GENERATOR WIRING DIAGRAMS;-----------,, ', 'RED+,, 2Allicr:::3,.ll.,Cnm_mi 0JllL,:-t HzWINDING RESISTANCE AT 20° C TEMPERATUREA-A B C-C 0ROTATING BATTERY STATOR EXCPART CHARGER WINDING WINDINGWINDING~-2 50~!3.058 .n.. o.i41 .n.. ('.433 .n.. 4-.334-----.n..'-3 ,o-g4-, 'io-1-0·491 .!1. 4.5.34 .n.'·6 'o-if0·55;t ....n.. 3. ;r.qMODEL 4.5 KW c·-S'-5A .n. 3. 4S"~ .nR[ +.. ..n.,-----------1 ~, '8SOHI,, 2Allicr::;,3.It :__ mmniOjjj,L,:-t HzMODELS 7.2 KW AND 9.6 KWEngines & Generators32Rev. 6/1/98
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Page 7 and 8: •INSTALLATIONWhen installing WEST
Page 9 and 10: INTERNATIONAL MARINE CERTIFICATION
Page 11 and 12: INTRODUCTIONThis WESTERBEKE Generat
Page 13 and 14: CONTROL PANELSGENERATOR PANELThe ON
Page 15 and 16: FUEL, ENGINE OIL AND ENGINE COOLANT
Page 17 and 18: OPERATING INSTRUCTIONSGENERATOR PAN
Page 19 and 20: MAINTENANCE SCHEDULESCHEDULEDMAINTE
Page 21 and 22: ENGINE COOLING CIRCUITDESCRIPTIONTh
Page 23 and 24: ENGINE COOLING CIRCUITRAW WATER PUM
Page 25 and 26: ENGINE LUBRICATING OILDESCRIPTIONUs
Page 27 and 28: DC ELECTRICAL SYSTEM12-VOLT DC CONT
Page 29 and 30: c+:12 VDCr ,~I ~~n2~YSTARTER'-DC EL
Page 31 and 32: ENGINE SPEED (HERTZ) ADJUSTMENTGove
Page 33 and 34: ENGINE ADJUSTMENTSNOTE: WESTERBEKE
Page 39: ENGINE TROUBLESHOOTINGPROBLEM PROBA
Page 43 and 44: LAY-UP & RECOMMISSIONINGGENERALMany
Page 45 and 46: BCGTC GENERATOR SPECIFICATIONSENGIN
Page 47 and 48: STANDARD HARDWARE TORQUESNOTE: Unle
Page 49 and 50: METRIC CONVERSIONSINCHES TO MILLIME

WESTERBEKE GASOLINE GENERATOR

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