Toro Groundsmaster 4500-D Series - Page 354

BatteryRemovalandInstallation(Figure229)(continued)
6.Makesurethatrubberbootisproperlyplacedoverpositivecableendand
positivebatterypost.
7.Lowerandsecureoperator’sconsolepanel.
BatteryInspectionandMaintenance
1.Replacebatteryifcaseiscrackedorleaking.
2.Checkbatteryterminalpostsforcorrosion.Usewirebrushtocleancorrosion
fromposts.
IMPORTANT
Beforecleaningthebattery,tapeorblockventholestothellercaps
andmakesurethecapsareontightly.
3.Checkforsignsofwetnessorleakageonthetopofthebatterywhichmight
indicatealooseormissingllercap,overcharging,looseterminalpostor
overlling.Also,checkbatterycasefordirtandoil.Cleanthebatterywitha
solutionofbakingsodaandwater,thenrinseitwithcleanwater.
4.Checkthatthecoversealisnotbrokenaway.Replacethebatteryiftheseal
isbrokenorleaking.
5.Checktheelectrolytelevelineachcell,ifpossible.Ifthelevelisbelowthe
topsoftheplatesinanycell,llallcellswithdistilledwaterbetweenthe
minimumandmaximumlllines.Chargeat15to25ampsforfteen(15)
minutestoallowsufcientmixingoftheelectrolyte.
BatteryTesting
1.Performahigh−dischargetestwithanadjustableloadtester.Thisisoneof
themostreliablemeansoftestingabatteryasitsimulatesthecold−cranking
test.Acommercialbatteryloadtesterisrequiredtoperformthistest.
CAUTION
Followthemanufacturer’sinstructionswhenusingabatteryload
tester.
A.Checkthevoltageacrossthebatteryterminalspriortotestingthebattery.
Ifthevoltageislessthan12.4VDC,chargethebatterybeforeperforming
aloadtest.
B.Ifthebatteryhasrecentlybeencharged,useabatteryloadtester
followingthemanufacturer’sinstructionstoapplya150Amploadfor
fteen(15)seconds.Thisstepwillremovethesurfacecharge.
C.Makesurebatteryterminalsarefreeofcorrosion.
D.Estimatetheinternaltemperatureofthebatterytothenearest10ºF .
E.Connectabatteryloadtestertothebatteryterminalsfollowingthe
manufacturer’sinstructions.Connectadigitalmultimetertothebattery
terminals.
F.Applyatestloadof345Amps(onehalfthecrankingperformancerating
ofthebattery)tothebatteryforfteen(15)seconds.
G.T akeabatteryvoltagereadingatfteen(15)seconds,thenremovethe
load.
ElectricalSystem:ServiceandRepairs
Page6–72
Groundsmaster
®
4500-D/4700-D
19245SLRevA