33.Switches ……………………………………………………………………………………………… 674.Control ………………………………………………………………………………………………… 685.Bodywork ……………………………………………………………………………………………… 70Ⅲ、Safety issues…………………………………………………………………………………………… 721Operation place and working environment …………………………………………………………… 722.Safety rules …………………………………………………………………………………………… 723.Truck’ s transportation ………………………………………………………………………………… 824.Howtoavoidoverturning,howtoprotectyourself ……………………………………………………… 835. Safety problem in Maintenance ……………………………………………………………………… 846.Safety problem in battery usage ……………………………………………………………………… 867.Plate …………………………………………………………………………………………………… 87Chapter four Truck’s regular check and maintenance ………………………………………………… 90Ⅰ、The check before operation…………………………………………………………………………… 901.Checkingpointandcheckingcontent …………………………………………………………………… 902. Checking procedure …………………………………………………………………………………… 90Ⅱ、Check after operation………………………………………………………………………………… 95Ⅲ、Truck cleaning…………………………………………………………………………………………… 951. Truck surface cleaning ……………………………………………………………………………… 952. Chains cleaning………………………………………………………………………………………… 953. Electric system cleaning ……………………………………………………………………………… 954. After cleaning ………………………………………………………………………………………… 95Ⅳ、Regular maintenance…………………………………………………………………………………… 961.Regularmaintenanceschedule ………………………………………………………………………… 962.Regular replacement of key safety parts …………………………………………………………… 101Ⅴ、Area lubricated and lubricant recommended………………………………………………………… 1021. Area lubricated ………………………………………………………………………………………… 1022.Lubricant recommended……………………………………………………………………………… 102