Komatsu — 16.4.1 ELECTICAL SYSTEM

OPERATION 16.4 OTHER TROUBLE 16.4.1 ELECTRICAL SYSTEM ( ): Always contact your distributor when dealing with these items. In cases of abnormalities or causes which are not listed below, please contact your distributor for repairs. 2-88 WA420-3MC Problem Main causes Remedy Lamp does not glow brightly even when the engine runs at high speed tension ( Check, repair loose terminals, disconnections) Adjust fan belt tension For details, see “24.7 EVERY 250 HOURS SERVICE” on page 3-47. Lamp flickers while engine is running Even when the engine is running, the charge caution pilot lamp does not go out tension ( Replace) ( Check, repair) Adjust fan belt tension.

See “24.7 EVERY 250 HOURS SERVICE” on page 3-47. Abnormal noise is generated from alternator ( Replace) Starting motor does not turn when starting switch is turned to ON ( Check, repair) Charge ( Replace) Pinion of starting motor keeps going in and out Charge Starting motor turns engine sluggishly Charge ( Replace) Starting motor disengages before engine starts ( Check, repair) Charge Even when engine is stopped, charge CAUTION pilot lamp does not light up (starting switch at ON position) ( Check, repair) ( Replace)