Toro Groundsmaster 7210 - Page 260

Inspecting,Maintaining,andTestingtheBattery(continued)
H.UsetheMinimumVoltageT able(page5–64),determinetheminimum
voltageforthecentercellelectrolytetemperaturereading.
MinimumVoltageTable
MinimumVoltageBattery-ElectrolyteTemperature
9.6
70°F(andup)21.1°C(andup)
9.5
60°F15.6°C
9.4
50°F10.0°C
9.3
40°F4.4°C
9.1
30°F-1.1°C
8.9
20°F-6.7°C
8.7
10°F-12.2°C
8.5
0°F-17.8°C
I.Ifthetestvoltageisbelowtheminimum,replacethebattery.Ifthetest
voltageisatorabovetheminimum,returnthebatterytoservice.
InstallingtheBattery
IMPORTANT
Topreventpossibleelectricalproblems,installonlyafullycharged
battery.
1.EnsurethatthekeyswitchandallaccessoriesareintheOFFposition.
2.Ensurethatthebatterycompartmentiscleanandpaintitifnecessary.Place
thebatterytrayinposition.
3.Ensurethatallthebatterycables,batteryretainer,andelectricalconnections
areingoodcondition.
4.Placethebatteryinitscompartment.Ensurethatthebatteryislevelandat.
Connectthepositive(+)cableconnectorontothepositive(+)batterypost.
Use2wrenchestoattachthecableboltandlocknut.
5.Attachthebatteryretainerwiththeatwasherandangenut.
Note:Donotovertightenthenuttopreventcrackingordistortingthebattery
case.
6.Connectadigitalmultimeter(settoA)betweenthenegative(-)batterypost
andthenegative(-)cableconnector.Ensurethatthereadingislessthan
0.1A.Areadingofmorethan0.1Ausuallyindicatesadamagedswitch,a
shortedcircuit,orgroundedwire.Identifyandrepairtheelectricalfaults
beforereturningthemachinetoservice.
7.Connectthenegative(-)cableconnectortothenegative(-)batterypost.Use
the2wrenchestoattachthecableboltandlocknut.
8.Afteryoumaketheconnections,applybatteryterminalprotector(ToroPart
No.107-0392)oralightlayerofgreaseonallthebatterypostsandcable
connectorstoreducecorrosion.
ElectricalSystem:ServiceandRepairs
Page5–64
Groundsmaster7210
16222SLRevC