438MAINTENANCEANDLUBRICATION
CAUTION
DONOTweldontheengineorengine
components.Weldingontheengine
orcomponentsmountedontheengine
cancauseseriousdamagetotheengine
ECU.
Note:DONOTworkontheelectric
systemwithoutpropertoolsandtraining.
Repairworktotheelectricalsystemmust
bedonebytrainedprofessionals.Y our
authorizedV olvoTruckdealerhasthe
righttoolsandtrainedtechnicians.
ChargingSystem
Analternatorwithanintegratedregulatorisusedtosupplypowertothevehicle
electricalsystem.Thechargingsystemvoltageshouldbecheckedperiodicallyto
preventoverchargingorunderchargingthebatteries.
W3005339
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