解决办法：检查油压，必要时更换部件。
Solution: check oil pressure and replace parts if necessary.
在前一页可以找到更换部件的全套清单。
A complete list of replacement components can be found on the preceding page.
除了阀体以外，所有部件都是可更换部件。
All components except valve bodies are available as replacement parts.
必要时扭紧或更换部件。
在选择更换部件之前，应该正确辨认阀门的种类。
The valve should be properly identified before selecting replacement parts.
在更换部件时，请确认完全切断电源后进行操作！
Please make sure the power is cut off before changing parts.
在更换部件时，请确认完全切断电源后进行操作！
Please make sure the power is cut off before changing parts.
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