Toro Groundsmaster 4300-D Service Manual

ElectricalSystemQuickChecks
TestingtheBattery(OpenCircuitTest)
Useamultimetertomeasurethevoltagebetweenthebatteryterminals;referto
BatteryTestT able(page5–39).
SetthemultimetertotheDCvoltssettings.Thebatterymustbeatatemperature
of16°Cto38°C(60°Fto100°F).EnsurethatthekeyswitchisintheOFFposition
andalltheaccessoriesareturnedoff.
Connectthepositive(+)multimeterleadtothepositivebatterypostandnegative
(-)multimeterleadtothenegativebatterypost.
Measureandrecordthebatteryvoltage.UsetheBatteryT estT able(page5–39)
todeterminechargelevelofthebattery.
Note:Thistestprovidesarelativeconditionofthebattery.Theloadtestingof
thebatteryprovidesadditionalandmoreaccurateinformation;refertoServicing
theBattery(page5–94).
BatteryTestTable
VoltageMeasured
BatteryChargeLevel
12.68V(orhigher)Fullycharged(100%)
12.45V
75%charged
12.24V
50%charged
12.06V
25%charged
11.89V
0%charged
TestingtheChargingSystem
Thisisasimpletestthatdeterminesifachargingsystemisfunctioning.Ittells
youifthechargingsystemhasanoutput,butnotitscapacity.
Note:TheInfoCenterdisplaycanbeusedtoidentifybatteryvoltageduring
theoperationofthemachine.
Toolrequired:DigitalmultimetersettoDCvolts.
Testinstructions:Connectthepositive(+)multimeterleadtothepositivebattery
postandnegative(-)multimeterleadtothenegativebatterypost.Keepthetest
leadsconnectedtothebatterypostsandrecordthebatteryvoltage.
Note:Whenstartingtheengine,thebatteryvoltagedropsandthenmust
increaseoncetheengineisrunning.
Note:Dependingupontheconditionofthebatterychargeandbattery
temperature,thebatteryvoltageincreasesatdifferentratesasthebattery
charges.
Starttheengineandrunitathigh-idlespeed(3,005to3,055rpm).Allowthe
batterytochargeforaminimumtimeof3minutes.Recordthebatteryvoltage.
Note:Afterrunningtheengineforaminimumtimeof3minutes,thebattery
voltagemustbeminimum0.50Vhigherthanthatoftheinitialbatteryvoltage.
RefertotheBatteryVoltageT able(page5–40)foranexampleofacharging
systemthatisfunctioning.
Groundsmaster
®
4300-D
Page5–39
ElectricalSystem:ElectricalSystemQuickChecks
16226SLRevC

Toro Groundsmaster 4300-D Specifications

General

Brand	Toro
Model	Groundsmaster 4300-D
Category	Lawn Mower
Language	English