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The fan capacity should match the pump fan capacity at a pressure head equal to the pressure drop caused by
cooling air ducts.
Maximum allowable pressure drop in ducting before or after the vacuum pump = 10 Pa.
Air intake filter (In case of over-pressure pump)
If the air intake filter (1) is delivered loose, mount it in a leak-tight manner according to the following instructions:
When replacing the air intake filter element, the dust may fall into the pump inlet and resulting damage to the pump.
The air intake filter (1) should be installed in a horizontal position to prevent filtered dust falling into the pump inlet
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