In the last video I made a tree lifter with my own hands, and burned a Makita angle grinder.
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Today, I want to show my grandfather I checked the electric motor anchor with a rubber band and a multimeter for 100 percent accuracy. This is a kind of life hack from my grandfather. I'm not afraid of this word, this is the best way to check an electric motor armature with your own hands. How to check the motor armature correctly. To check, you need a multimeter that can measure resistance, and an elastic band for hair or money. I emphasize. This is the easiest and most guaranteed way that is easy to do with your own hands. How to check the motor armature. Resistance should be measured not on adjacent lamellas, but on opposite ones. Grandfather checked the anchor of the electric motor with an elastic band and a multimeter on the opposite slats. I have three anchors. This one burned out when I was making a garden grubber. The grubber turned out cool - I recommend taking a look. The second burned down a couple of years ago. And this one was bought yesterday. Now we will check them, and you can firmly say which one is working. If there is no rubber band, you can hold the probes with your hands, but it is much more convenient to do this with an elastic band. We wound the elastic band, put it on, put the probes horizontally. And while scrolling the anchor, we look at the resistance. Forty-nine, and here 49 and here 49 in general, on all opposite collector lamels the resistance of the whole armature is the same. Now let's check the anchor that I probably burned yesterday. The resistance floats a little. They show the lamellas of the collector, but on three they sag quite strongly. And this means that his anchor has already outlived. For the purity of the experiment, we will also check the third anchor that has already definitely burned out. Resistance floats on all collector lamellas, which of course is bad, but these generally seem to have burned out - they do not ring. Well, do you still doubt the veracity of my words? Let me show the resistance at the new anchor again. There are no miracles on my channel, Lord. The resistance, as before, is the same on all collector lamellas. Now you know how the grandfather checked the anchor of the electric motor with an elastic band and a multimeter. This is a kind of life hack from my grandfather. And how to check the motor armature correctly quickly and guaranteed to be correct. It remains to assemble the grinder and tell the campaign how to avoid such breakdowns? Makita angle grinder is quite tenacious. Anchors burn more often on low-power grinders under load or when the grinder is jammed during operation. Therefore, it is better to buy a grinder with speed control and anti-jamming protection. Yes, they are a little more expensive. But, their capabilities and reliability are higher. Here is such a short and very useful video. In the next video we will make fast internet for a country house with our own hands. The Internet will be where even the mobile network does not catch. And the nearest towers are tens of kilometers away. And on this all dear friends, Thanks for watching.
A video on how to check the anchor of an electric motor was prepared for you by the author of the channel 1000 DIY's and Advice - 1000 DIY AND TIPS See you in new videos!