Summary - vacuum pump of the common malfunction

1. Limit of vacuum pump is not high and eliminate

( 1) The oil level is too low, there is a larger exhaust noise, can be in clean vacuum water pump oil.

( 2) Vacuum water pump oil pollution by setting can be steam, KaiQi town purification or replace new oil.

( 3) used to connect piping, vessel, pipeline, such as joint leakage test appearance. Large leakage, there are large exhaust noise, vent discharge him, should find a flat place, to eliminate.

( 4) Inlet nozzle or gas ballast valve rubber seal assembly wrong, damaged or aging, should be adjusted or replaced.

( 5) Feed nozzle oil hole blockage, can pull out the oil nozzle, dredge oil hole.

( 6) Vacuum pump system, severe pollution include container, piping, etc. , shall be clean.

( 7) Spiral spring break, should be interchangeable.

( 8) Rotary vane, vacuum pump body and cover wear, gap is too big, should view, trimmed or swaps.

( 9) temperature is exorbitant, should be to improve ventilation and cooling. Such as the smoke gas temperature is too high, should be first after cooling again into the pump.

2。 Injection

( 1) Oil level is too high, can in the amount of remaining oil.

( 2) With pump oil or sundries in mist reduction device, should be removed.

3。 Vacuum pump oil

oil drain plug, tank gasket damage or improper assembly, screw;

oil mark is not tight, organic glass overheating deformation;

pump body parts and bearing the cohesion of zhi gaskets pad has a better;

oil seal assembly or wear; Should be adjusted or replaced.

4。 Vacuum pump noise

( 1) Spiral spring break, interchangeable spring.

( 2) Have burrs, dirt or deformation, interfere with work attack, check the grinding to clean.

( 3) Bearing wear, wear parts. Should repair or replace.

( 4) Motor fault, should look at it.

5。 Vacuum pump oil return

( 1) After check valve does not close, stop the pump, oil level drop quickly, can stop to open again, observe changes or open view.

( 2) Within two pump cover seal assembly or wear and can be interchangeable.

( 3) Vacuum pump cover or the pump body surface uneven, can adjust.

( 4) Exhaust valve damage, should be interchangeable.

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