品牌:ABB | 规格: | 产地:瑞士 |
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Vickers威格士KBDG5V733C170NXTM2PE7H110常见原因是因为液压油长时间使用未换,形成污物将换向阀内活芯咬死,这时要拆开换向阀清洗,从新安装后即可。平常使用时应及时换液压油。电磁阀线圈烧毁或控制电器故障也会发生这种现象。问题:油泵工作正常,但顶紧油压过低或没压力油箱内没油,考虑到运输等问题,新机器出厂时油箱内液压油是要排空的,没油怎么可能有压力呢?液压油没有加足,造成吸不上油,应按液位计指示位置加足液压油。电接点压力表上限指针调节位置偏低,将其调到合适位置,同时调节溢流阀使其达到合适压力。