Toro Groundsmaster 4500-D Series - Page 356

BatteryCharging
Tominimizepossibledamagetothebatteryandallowthebatterytobefully
charged,theslowchargingmethodispresentedhere.Thischargingmethod
canbeaccomplishedwithaconstantcurrentbatterychargerwhichisreadily
available.
CAUTION
Followthemanufacturer’sinstructionswhenusingabatterycharger.
Note:Usingspecicgravityofthebatteryelectrolyteisthemostaccurate
methodofdeterminingbatterycondition.
1.Determinethebatterychargelevelfromeitheritsopencircuitvoltageor
electrolytespecicgravity(ifelectrolyteisaccessible).
BatteryChargeLevelOpenCircuitVoltageSpecicGravity
100%
12.61.265
75%
12.41.225
50%
12.21.190
25%
12.01.155
0%
11.81.120
2.Determinethechargingtimeandrateusingthebatterycharger
manufacturer’sinstructionsorthefollowingtable.
BatteryChargeLevel(PercentofFullyCharged)
Battery
Reserve
Capacity
(Minutes)
75%50%25%0%
80orless
3.8hrs@3
Amps
7.5hrs@3
Amps
11.3hrs@3
Amps
15hrs@3Amps
81to125
5.3hrs@4
Amps
10.5hrs@4
Amps
15.8hrs@4
Amps
21hrs@4Amps
126to170
5.5hrs@5
Amps
11hrs@5Amps16.5hrs@5
Amps
22hrs@5Amps
171to250
5.8hrs@6
Amps
11.5hrs@6
Amps
17.3hrs@6
Amps
23hrs@6Amps
above250
6hrs@10Amps12hrs@10
Amps
18hrs@10
Amps
24hrs@10
Amps
CAUTION
Donotchargeafrozenbatterybecauseitcanexplodeandcause
injury.Letthebatterywarmto16ºC(60ºF)beforeconnectingto
acharger.
Chargethebatteryinawell−ventilatedplacetodissipategases
producedfromcharging.Thesegasesareexplosive;keepopen
ameandelectricalsparkawayfromthebattery.Donotsmoke.
Nauseamayresultifthegasesareinhaled.Unplugthechargerfrom
theelectricaloutletbeforeconnectingordisconnectingthecharger
leadsfromthebatteryposts.
ElectricalSystem:ServiceandRepairs
Page6–74
Groundsmaster
®
4500-D/4700-D
19245SLRevA