Is it normal to have oil stains on the pressure switch? Why do they exist?

2018-03-23View Original

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Is it normal to have oil stains on the pressure switch? Why do they exist?

Reply #22018-03-23

Check the areas where oil is seeping out, or where oil vapor is leaking.

Reply #32018-03-23

. . The seal isn’t tight; oil is leaking out~~~ :P .

Reply #42018-04-02

It’s abnormal; under normal conditions, there should be no oil leakage. This indicates a poor seal, which poses safety risks in certain environments and also makes it difficult to maintain the instruments

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