TY220型推土机具有结构合理、功率适中、机动性强、维修性好等特点,因而受到广大用户的喜爱。推土机在使用过程中经常出现各种各样的故障,在排除故障时,应该严格遵守维修操作规程,否则,原来的故障排除后,又会出现新的故障。下面举三个案例说明。故障一推土刀片无动作早班起动发 TY220-type bulldozer has the characteristics of reasonable structure, moderate power, strong maneuverability, good maintainability and so on, which are favored by the majority of users. Bulldozers often appear in the course of a variety of faults, troubleshooting, you should strictly abide by the maintenance practices, otherwise, the original troubleshooting, there will be a new fault. The following three cases illustrate. Failure a dozer blade no action early start hair