Toro ProLine H800 - Page 241

TestingtheRelayswith4Terminals(continued)
11.Installandsecuretherelayontothemountingbracket.Connectthewire
harnesselectricalconnectorstotherelay.
12.Connectthepositive(+)cabletothebatteryandthenconnectthenegative
(-)cabletothebattery;refertoServicingtheBattery(page6–51).
13.Ifremoved,installtheoperatorseatontothemachine;refertoInstallingthe
OperatorSeat(page7–17).
14.Ifremoved,installtheleftconsoleontothemachine;refertoAssemblingthe
BodyAssembly(page7–7).
TestingtheRelayswith5Terminals
1.Parkthemachineonalevelsurface,lowerthecuttingdeck,shutoffthe
engine,settheparkingbrake,andremovethekeyfromthekeyswitch.
2.Togetaccesstothestartrelay,removetheoperatorseat;refertoRemoving
theOperatorSeat(page7–17).
3.Toensurethatthemachineoperationdoesnotoccurunexpectedly,
disconnectthenegative(-)cablefromthebatteryandthendisconnectthe
positive(+)cablefromthebattery;refertoServicingtheBattery(page6–51).
4.Locatetherelaythatistobetestedanddisconnectthewireharness
connectorsfromtherelay.Removetherelayfromthemountingbracketfor
testing.
Note:Beforetakingsmallresistancereadingswithadigitalmultimeter,short
themultimetertestleadstogether.Themeterdisplaysasmallresistance
value(usually0.5ohmsorless).Thisresistanceisbecauseoftheinternal
resistanceofthemultimeterandtestleads.Subtractthisvaluefromthe
measuredvalueofthecomponentthatyouaretesting.
g223021
Figure136
1.Coilterminal
3.Normallyopenterm.
2.Normallyclosedterm.
4.Commonterminal
5.Usingamultimeter(ohmssetting),measurecoilresistancebetween
terminals85and86(Figure136).Resistanceshouldbebetween70and
90ohms(Figure136).
6.Connectmultimeter(ohmssetting)leadstorelayterminals30and87.
Groundtheterminal86andapply+12VDCtoterminal85.Therelayshould
makeandbreakcontinuitybetweenterminals30and87as+12VDCis
appliedandremovedfromterminal85.
7.Disconnectvoltagefromterminal85andmultimeterleadfromterminal87.
8.Connectmultimeter(ohmssetting)leadstorelayterminals30and87A.Apply
+12VDCtoterminal85.Therelayshouldmakeandbreakcontinuitybetween
terminals30and87Aas+12VDCisappliedandremovedfromterminal85.
ProLineH800
Page6–41
ElectricalSystem:TestingtheElectricalComponents
19241SLRevB