Rotary Vane Vacuum Pump Troubleshooting: Running Hot
Causes
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The ambient temperature or suction temperature is too high
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There is not enough air to ventilate the cooling pump
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Too much oil in the pump
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Insufficient pump oil
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Oil deterioration
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The exhaust filter is polluted
Solution
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Take measures to cool down temperature
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Clean the cooling fins of the motor and pump and supply enough flowing air to cool the pump
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Put off the excess oil
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Refuel to the required oil level
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Change new oil
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Replace the exhaust filter
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