Many compatriots still have old refrigerators in reserve. Most of the citizens simply keep them in the "bins of their homeland" somewhere in the country for the sole reason that it is a pity to throw them away, and their hands have not yet reached. However, sooner or later the day of getting rid of the refrigerator comes. The old unit can be disposed of, thrown away or disassembled into components. In the latter case, a person will have the opportunity to make an excellent vacuum pump for himself.
What you need: tee faucet, hose, clamps, cable and plug, vacuum gauge, plywood, chipboard, refrigerator compressor
So, first of all, we fix the compressor on a sheet of plywood or chipboard. Next, a wire and a plug are connected to it, after which a bracket for a vacuum gauge is made. As soon as it is ready, the device itself is fixed. A hose is connected to the pressure gauge and connected to the compressor.
First, a suction tube should be found at the unit; this can be done by starting the device. After fixing the pressure gauge, a hose is supplied to it from the tee. On the remaining free tee fitting, you will need to put another hose 1-2 meters long. A tee crane is also cut into it. It will be needed in order to quickly relieve the vacuum (useful in cases when the pump begins to suck foam from the chamber).
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Why might such a device be needed on the farm? First of all, such a home-made vacuum compressor will be useful in situations where you need to pump out air from plastic bags to prepare any products. Also, by connecting a bottle to the device, you can make a camera for stabilizing wood.
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Continuing the topic, you can read about
how to securely attach a larger garden hose to a small pipe to prevent water from leaking.
A source: https://novate.ru/blogs/230920/56128/