Toro Spray Master Series - Page 79

TestingtheDCOutputChargingWire
UsethistesttochecktheDCoutputchargingwirecircuit.Ifawiringproblemexists,youcancorrectitbefore
testingregulator/rectier.
Leavestatorwireharnessdisconnectedfromregulator-rectier.IgnitionswitchmustbeinOFFposition.
1.TurntheignitionswitchtotheOFFposition.
2.Disconnectstatorwireharnessfromregulator/rectier.
3.InsertredtestleadintoVΩreceptacleinmeter.
4.InsertblacktestleadintoCOMreceptacle.
5.RotateselectortoV~(ACvolts)position.
6.AttachredtestleadprobetotheredDCoutputterminaloftheconnector(Figure106).
7.Attachblacktestleadprobetonegativebatteryterminal.
8.TurnignitionswitchtotheONposition.
Note:Metershoulddisplaybatteryvoltage.
Note:Regulator-RectierTest
TestingtheRegulator/Rectier
YoumustinstallaDCshuntonthenegative(-)terminalofthebatterytoavoidoverloadingthefuseinthemeter
whentestingthealternatoroutput.Ensurethatallelectricalconnectionsarecleanandtightforaccurate
amperagereadings.
1.Connectstatorwireharnesstoregulator/rectier.
2.InstallaDCshuntontothenegativebatteryterminal.
3.InsertredtestleadintoVΩreceptacleofthemeter.Connecttheotherendoftheredtestleadtothe
postterminaloftheshuntFigure107.
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Figure107
1.Blackprobe(meter)4.DCshunt
2.Redprobe(meter)5.Postterminal(shunt)
3.Blackpostterminal(shunt)
4.InsertblacktestleadinCOMreceptacleofthemeter.Connecttheotherendoftheblacktestleadto
theblackpostterminaloftheshunt.
5.Rotateselectorofthemeterto300mVposition.
6.Withtheenginerunningat3600RPM,thealternatorshouldoutput3-20A.
Note:Dependingonbatteryvoltageand/orcurrentdrawonsystem.
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