Vacuum pump exhaust oil how to solve?

Vacuum pump after use for a long time, if not for regular maintenance would be a big or small issues, such as exhaust oil, vent oil is only one: the main reasons why exhaust filters.

First, the causes of exhaust filter oil

1, exhaust filter fails, the oil and gas can't completely separate.

2, exhaust filter installation bad mouth o-ring seal.

3, exhaust filter installation does not reach the designated position. Shaft seal leakage, leakage problem is common.

Found that the shaft seal leakage due to abrasion, oil, must want to change the shaft sealing ring. Different pump types, different manufacturers design of shaft seal structure is not the same. According to the original design pattern with similar or identical seal change. Standard parts such as spring rubber ring wear air leakage is not serious, detachable go a few rounds of fastening wire spring loaded again can. Serious wear and tear shall be in accordance with the original diameter changing new sealing ring. O, j type and Jo type sealing ring, all have standard series, location should be paid attention to when assembling trued and pressure. Some of the rubber sealing ring can be homemade. Its inner diameter can be obtained by measuring the shaft and the shaft hole, size should be slightly smaller, there should be room for compaction thickness, easy to mount can lock itself.

Second, the vacuum pump daily maintenance methods

1, 3 to 6 months will be in a special vacuum pump oil, each pump in the factory when will indicate what is oil. You want to change original, don't mix,

2, about six months in a vent filters and in filter and treasure to vacuum pump oil.