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一台ZL40型装载机,启动困难且启动后异响,拨动飞轮有卡滞现象。根据故障现象判断可能是配气相位有问题。把凸轮轴与正时齿轮分开后发现,半圆键被切断。更换新键后故障消失。
A ZL40 loader, start difficult and abnormal sound after the start, call the flywheel has stuck phenomenon. According to the phenomenon of failure to determine the gas phase may be a problem. Separation of the camshaft and timing gear revealed that the semicircular key was cut off. After replacing the new key failure disappears.