8-TROUBLESHOOTING
Electricalsystems-Troubleshooting
Problem
PossibleCauseCorrection
Theelectricalsystemis
inoperative.
Looseoroxidizedbatteryconnections.
Checkthatthebatteryvoltagewithopen
circuitisatleast12.6V.
Cleanandtightentheconnections.Sul-
fatedbatteries.
Checktheelectrolytelevelanddensity.
Batteryisolatorswitchoff.
Restorethebatteryisolatorswitch.
Themainconnectionfuseofthemachine
isblown.
Findthereasonofthefailureandreplace
theconnectionfuse.
Startermotorspeedtoo
low,theenginecranks
slowly.
Looseorcorrodedconnections.
Cleanandtightenlooseconnections.
Lowbatteryoutputvoltage.
Checkthatthebatteryvoltagewithopen
circuitisatleast12.6V.Checktheelec-
trolytelevelanddensity.
Incorrectviscosityoftheengineoil.Useanoilwithcorrectviscosityforthetem-
peratureconditions.
Startermotorinoperative.Transmissiongearshiftleverengaged.Movegearshiftlevertoneutral.
Looseorcorrodedconnections.
Cleanandtightenlooseconnections.
Deadbatteries.
Chargeorreplacethebatteries.
Thechargeindicatorlamp
staysonwiththeengine
running.
Lowengineidlespeed.Increaseidlespeed.
Loosebelt.
Checkbelttension.
Malfunctioningbattery.Checkthatthebatteryvoltagewithopen
circuitisatleast12.6V.Checktheelec-
trolytelevelanddensity.
Malfunctioningalternator.Checkthealternatorandrepair,ifneces-
sary.
Batterieswillnotcharge.Looseorcorrodedbatteryconnections.
Cleanandtightentheconnections.
Sulfatedbatteries.Checkthatthebatteryvoltagewithopen
circuitisatleast12.6V.Checktheelec-
trolytelevelanddensity.
Looseorwornbelt.
Checktheautomaticbelttensioner.Ifnec-
essary,replacethebelt.
Thechargeindicator
ashes,indicating
excessivecharging
voltage.
Malfunctioningalternator.Checkthealternatorandrepair,ifneces-
sary.
8-19