8-TROUBLESHOOTING
ElectricalSystem
PROBLEMPOSSIBLECAUSECORRECTION
Looseoroxidisedbattery
connections.
Checkthatthebatteryvoltagewith
opencircuitisatleast12.6V.
Cleanandtightentheconnections.
Sulphatedbatteries.
Checktheelectrolyteleveland
density.
Batteryisolatorswitchoff.
Restorethebatteryisolatorswitch.
Theelectricalsystemisinoperative.
Themainconnectionfuseofthe
machineisblown.
Findthereasonofthefailureand
replacetheconnectionfuse.
Looseorcorrodedconnections.
Cleanandtightenlooseconnections.
Lowbatteryoutputvoltage.
Checkthatthebatteryvoltagewith
opencircuitisatleast12.6V.Check
theelectrolytelevelanddensity.
Startermotorspeedtoolow,the
enginecranksslowly.
Incorrectviscosityoftheengineoil.Useanoilwithcorrectviscosityfor
thetemperatureconditions.
Transmissiongearshiftlever
engaged.
Movegearshiftlevertoneutral.
Looseorcorrodedconnections.
Cleanandtightenlooseconnections.
Startermotorinoperative.
Deadbatteries.
Chargeorreplacethebatteries.
Lowengineidlespeed.Increaseidlespeed.
Loosebelt.
Checkbelttension.
Malfunctioningbattery.Checkthatthebatteryvoltagewith
opencircuitisatleast12.6V.Check
theelectrolytelevelanddensity.
Thechargeindicatorlampstayson
withtheenginerunning.
Malfunctioningalternator.Checkthealternatorandrepair,if
necessary.
Looseorcorrodedbattery
connections.
Cleanandtightentheconnections.
Sulphatedbatteries.Checkthatthebatteryvoltagewith
opencircuitisatleast12.6V.Check
theelectrolytelevelanddensity.
Batterieswillnotcharge.
Looseorwornbelt.
Checktheautomaticbelttensioner.If
necessary,replacethebelt.
Thechargeindicatorashes,
indicatingexcessivecharging
voltage.
Malfunctioningalternator.Checkthealternatorandrepair,if
necessary.
8-25