The reasons why the nozzle is not fixed in the chuck may be

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Impact striker repair
Another reason for the lack of impact mode on a pistol drill may be a broken impact pin. In this case, you need to repair the raster bushing (barrel), inside which the corresponding components are located. The principle of such repair is to strictly follow the sequence of actions. To have an idea of ​​​​how to repair the impact mechanism of a power tool, we will consider this procedure sequentially.

The raster bushing, inside which the striker is located, is subject to repair.
Through the corresponding holes in the raster sleeve, pry the retaining ring and remove it.
Press the striker out of the bushing
Inspect it and make any necessary repairs
New spare parts for the hammer drill can be purchased at Cylinder
After such repairs, all parts must be reassembled in the reverse order of removal.After the repair, do not forget to add lubricant. Its quantity should be excessive rather than insufficient, otherwise you will australia telegram data soon have to return to the repair again.

The chuck does not rotate
If the hammer drill chuck stops rotating, the following factors may be the cause:

The gearbox is jammed - the reason for this consequence is metal shavings or broken metal parts getting between the gears
Licking gear teeth
Electric motor malfunction
The breakdown can be fixed only if the exact cause of the malfunction is identified. If the gearbox is jammed, then it will not be difficult to identify the malfunction, since the corresponding hum, noise and crackle will occur. It will be necessary to disassemble the corresponding unit or mechanism, identify the breakdown and fix it.

If the drill falls out of the chuck
Often you have to deal with a situation when working attachments fall out of the chuck. Working with such a hammer drill is quite difficult and unsafe.