Connecting wires
To identify this defect, it is inspected and then, using a tester, it is rung.To fix a cable break, you can either solder it or twist it. But it is best to replace it.
The reason for this defect may be elementary oxidation of the contacts in the button. To check this assumption, it is necessary to dismantle the rear cover of the casing. If there are no visible signs of oxidation, it is advisable to use a tester. To correct this malfunction, you can clean the contacts, but it is better to replace the power button.
Brush erasing
With prolonged and intensive use of the hammer drill, the brushes australia telegram data through which the electric current enters the motor wear out. With significant wear, they begin to spark and a burning smell appears. The brush should be at least 8 mm long.
Once this or a smaller size is reached, they are replaced. The replacement procedure is quite simple and anyone can handle it, even one who is not familiar with the basics of electrical engineering.
Speed controller failure
If this problem is detected, it is advisable to replace the entire unit. But, to be fair, it should be noted that this defect is not common.
Engine failure
This is probably the worst defect that can happen to an electric tool. The user must understand that it is better not to repair the engine on your own. For this purpose, there are specialized workshops equipped with all the necessary repair and diagnostic equipment.
When the engine is running, a certain layer of carbon deposits forms on the collector. You can remove it yourself and then try to turn it on. If this operation does not help, then you need to ring the anchor and stator. There are certain requirements for resistance in the windings.