1. Vacuum pump unit in oil exchange, first of all, we should pay attention to the removal of the pump vacuum system.
2. After that, one end of the chassis motor should be padded higher, the oil plug should be opened, the unit rotated, and the exhaust port should be covered, so that all the dirty oil in the chamber can be discharged from the oil outlet, and then the new oil 100-500ML should be added from the intake port to rotate continuously for more than 5-10 revolutions to clean the interior, according to this operation for 3-5 times.
3. After the dirty oil is discharged, the oil stopper is installed, the pump is leveled, and new oil is added from the intake port and the filling hole respectively, and the oil exchange is completed.
4. The vacuum pump unit should not start the motor for a long time when changing oil. At this time, it will make the exhaust valve runout too intense and fatigue.
5. The oil exchange of vacuum pump units should also be strictly prohibited from using kerosene, gasoline and alcohol for non-disassembly cleaning of pumps.
6. If the pump stops for a long time, we should take off the exhaust hood and put the exhaust plug on it, close the intake port and drain the water.
You should know that the effect of lubricating oil on vacuum pump unit is very good. It can not only reduce the wear and tear of the internal parts of the unit, but also make the parts run smoothly and flexibly. But if the lubricating oil is polluted and filled with impurities, these good effects will become bad and aggravate the parts. The degree of wear and tear makes it unable to work properly and so on.
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