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(Created originally by Foxin Vacuum, please indicate source if reprint.)

Oil Diffusion Pump Fault Treatment
(Created originally by Foxin Vacuum, please indicate source if reprint.)

2018-09-25

Cooling water must be circulating during diffusion pump working. We can only stop cooling water circulation until pump oil is totally cooled

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When pump is not working, we should keep pump body under vacuum state to avoid influence on pump oil

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Pumped air should be dry, no corrosion and no dust

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Keep pump under vacuum state to protect pump oil and pump parts from corrosion when pump is free. And clean all water from cooling water jacket. Keeping place room temperature should be 10-40℃

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We should check heaters first if pump gets bad suddenly

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Inspect pump regularly

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a.Pump oil is reduced or oxidized and add oil or change oil accordingly.

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b.Pump parts and pump body should be used aviation gasoline to clean, then use silk cloth to dip aether or acetone to wipe, finally put under 80-100℃ temperature or use blow drier to dry.

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c.Install all parts step by step, keep pump core and pump base vertically and the same core as pump cavity. Each grade nozzle gap should be adjusted as original requirement

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