For many young people who like to decorate their houses by themselves, there must be all kinds of electric tools at home, and the fun they get can be imagined. However, once they encounter decoration problems, the machines just break down, and it is inevitable that they will be at a loss. It is better to improve your maintenance skills than to find a maintenance agency to be slaughtered. Today, Bian Xiao will give you a few tricks. Those who want to save money should look carefully!

According to the types of commonly used electric tools, we divide the maintenance methods into the following categories.

First, the shaft gear of the electric drill is damaged.

I believe the first reaction of many people when they see this picture is that this electric drill is completely "laid off". If you want to change it all, you have to change it. The money you change is enough to buy a brand-new electric drill. Don't worry. At this time, you just need to find a spare gear (it is recommended to put it at home). Before installing the gear, put two pads to let the gear move backwards. If the original semi-circle key is longer at this time, half of it can be removed. Next, remove a few centimeters from the screw hole of the bearing seat, so that after installation, the gear of the rotor will grow just that centimeter, which also represents that the electric drill has become shorter. Finally, remove the worn part of the rotor gear and reinstall it for further use.

Second, the electric hammer electrical failure

Most of the electrical faults of electric hammers are broken glue lines, among which the glue lines are the most common when the handle is completely broken. The method of checking the poor contact of carbon brush machine is simple. First, observe whether the cross section of carbon brush is in good contact and whether the pockmarked surface is in poor contact. Another inspection method is to connect the universal electric pen to the end where the motor appears, and press it on the brush holder and rotor with two screwdrivers at the same time. At this point, if the motor can be energized, it means there is no fault, otherwise the carbon brush is in poor contact or the stator earrings are burnt out.

Third, carbon brush motors consume huge carbon brushes.

Many people often guess that this situation is due to the matching model of carbon brushes. In fact, this situation is often caused by different wear of rotor commutator. It is more likely that the armature shaft is overloaded. At this time, only one rotor needs to be replaced, but remember not to replace the new carbon brush.

Several common problems of power tools are introduced here today, and then we will talk about the most important basic daily maintenance methods. For most people, power tools are not commonly used, so for power tools that have been put on hold for a long time, insulation resistance must be measured before use. Secondly, when replacing parts, qualified products consistent with the original technical parameters must be used, and the added lubricating oil must be qualified.

In a word, the damage of power tools will really bring a lot of trouble to life. For most power tools, routine maintenance is the key. It's better to be diligent and strengthen maintenance.

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