User manual
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e) Drilling masonry
When drilling holes in tile, practice on a scrap piece to determine the best speed and pressure.
Reverserotationduringimpactdrillingmaydamagethedrillanddrillbit.
• For maximum performance, use high quality carbide-tipped masonry drill bits when drilling holes in brick, tile,
concrete etc.
• Use the drilling setting initially then revert to the hammer action once the holes are established. Apply light pressure
and medium speed for best results in brick.
• Apply additional pressure and high speed for hard materials such as concrete.
9. Troubleshooting
By purchasing this impact drill, you have acquired a product design to the state of the art and operationally reliable.
Nevertheless, problems or errors may occur.
The following contains description for the removal of possible interference.
Always observe all safety information in these operating instructions.
Problem Solution aid
No function
• Is the cable cord insert the socket properly?
• Change a new pair of carbon brush,rotor or stator in the hardware
shop when you use the tool for dozens of hours continuously.
The on/off switch cannot be pushed • Change a new switch in the hardware shop
No drilling progress is evidence when
drilling. The drill bit cannot drill hole.
• Use a new,sharp drill
• Use a drill bit that is suitable for the material (wood/concrete/steel)
The drill chuck turns,but the drill bit (or a
bit for screwing) does not.
• Check if the drill chuck is tightened.
• Check if the drill chuck is locked by your chuck key
• The clamping area of the drill chuck is too small.Push the tool more
deeply into the drill chuck.
The drill chuck turns too slowly or too fast • Adjust the variable dial in the position you want.