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The glove box is a precision device
Its composition is very complex
Not only must it be completely sealed
It has to be completely free of water, oxygen and all kinds of inert gases.
Of course, these are made up of countless components.
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Among these countless parts
There are two parts that we can see directly
The glove on the front window and the vacuum pump attached to it.
Today we’ll talk about the maintenance of these two parts.
First of all, let’s talk about the gloves, which are more prone to wear and tear
As a necessary tool for experimental operation
Frequently used gloves may become torn after a period of time.
For the glove box is very dangerous.
Therefore, once found, need to be replaced in a timely manner
The basic procedure is as follows.
Of course, as a quality glove
can still be used for a long time
The other component, the vacuum pump, requires more maintenance.
First, connect the vacuum pump to the box with a bellows.
(Before installing the clamp, make sure the sealing ring and flange surface are clean and undamaged)
Let’s recognize the parts of the vacuum pump:
It should be emphasized here:
Perform an oil filter check every six months to ensure that the oil filter is not clogged.
Vacuum pump oil change, carried out every six months, replace the special vacuum pump oil.
Changing the pump oil is also to have a method:
-Operate the start-up pump, let it run for about ten minutes to let the oil get hot, and then turn off the pump
-Close the glove box;
-Disconnect the power supply to the vacuum pump and disengage the vacuum pump from the glove box vacuum system;
-Remove one of the oil filler nozzle captive caps;
-Place a block under the pump motor so that the pump can be tilted to one side, and place a suitable container (not less than 1L) under the drain cap, open the drain plug and allow the oil to drain into the container;
-Put back the drain cap and remove the gasket;
Inject the new pump oil from the oil filling hole and add it to the two-thirds position of the oil level observation window;
-Complete the oil change, wipe off the oil and reconnect the pump to the glove box;
-If the oil discharged from the pump is contaminated, please put clean oil, please repeat the above steps until the oil in the pump is clean.
After changing the pump oil
The vacuum pump is ready to use again.
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