The following defects most often appear in electrical equipment:

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the device does not perform its main functions – drilling and boring;
the drill bit is stuck in the chuck;
the nozzle is not installed in the chuck;
extraneous noises during operation of the device.
Hammer diagram


the engine is not working;
excessive sparking of brushes;
the appearance of burning or the smell of burnt insulation.
The repair begins with cleaning the device body. This is necessary, at least to prevent dirt from getting into the disassembled hammer drill.

Mechanical failures
When repairing an electric hammer drill, there is often a need oman telegram data to disassemble it. But before you start, you need to make sure once again that the problems have arisen in the mechanical part of the device. Let's take a detailed look at what problems occur and how to fix them

Gearbox malfunctions
Untimely maintenance, poorly performed repairs, operation of the hammer drill in extreme modes can lead to the failure of any part of this mechanism. To identify defects in the gearbox, it is necessary to disassemble it, wash the parts and then perform a thorough inspection.

Gearbox replacement

The detected damaged parts must be replaced with new ones. Then assemble the gearbox, of course, it is necessary to put grease in it. By the way, the grease brand must be specified in the operating manual.

Cartridge malfunction
If the attachment does not enter the working position, then most likely the reason lies in the chuck. There is no need to disassemble the tool to eliminate this defect. As a rule, interference with the installation of the attachment lies in the fact that some debris has gotten inside the chuck.

The mode switch is faulty
To detect faults in the mode switching device, the hammer drill will still have to be disassembled. In principle, the defect can be detected by carefully inspecting the switching mechanism.