In the letter half of 2001, the breakdowns at the gearing box to overstepping clutch ware happened to two sets of ZL50 type shovel loader one after another in Jinan Baode Automobile Conveyance Co.

• 20 0 1年下半年,济南鲍德汽车运输有限公司2台ZL50装载机相继出现了变速箱超越离合器故障,导致了大修液力变速箱,严重影响了装载机运行的可靠性。