Toro Groundsmaster 5900 Series - Fuel Sender

FuelSender
Thefuelsenderisattachedtothetopofthefueltank.Theresistanceofthefuel
senderincreasesasthefuellevelinthefueltankdecreases.Thefuelsender
isaninputtotheT oroElectronicController(TEC)andprovideinformationfor
theInfoCenterfuelgauge.Thefuelsenderisaslidingoatdesignwithasingle
wireharnessconnector.
Testing
1.MakesurekeyswitchisOFF .Removekeyfromkeyswitch.
2.Turnbattery−disconnectswitchtotheOFFposition.
3.Disconnectthefuelsenderfromthemachinewireharnessconnector.
4.Removescrewsandlockwashersthatsecurethefuelsendertothefueltank.
5.Carefullyremovefuelsenderandgasketfromthefueltank.Cleanallfuel
fromthesender.
6.Inspectsendergasketfordamageandreplaceifnecessary.
FULL POSITION
EMPTY POSITION
SLIDING FLOAT
SLIDING
FLOAT
SENDER
RANGE OF
OPERATION
g288594
Figure252
7.Verifyfuelsenderoatisabletomovefreelythroughitsentirerangeof
operation(Figure252).
Note:Beforetakingsmallresistancereadingswithadigitalmultimeter,short
metertestleadstogether.Themeterwilldisplayasmallresistancevalue.
Thisinternalresistanceofthemeterandtestleadsshouldbesubtractedfrom
themeasuredvalueofthecomponent.
Groundsmaster
®
5900&5910
Page6–109
ElectricalSystem:ComponentTesting
16227SLRevB