Dexter 20VRH2-17.1 Mode D'emploi page 329

5. OPERATION
8. Use a metal drill bit for drilling into plastic and metal. Where necessary, use a cooling lubricant
that is available at your specialist dealer.
HAMMER DRILLING
NOTE:
1. In principle, masonry should be drilled in hammer drilling mode with maximum speed.
However, in the first few seconds, the drill bit may deviate from the original desired
position due to the hammer action. To avoid this, use inching mode to the On/off switch
until the drill bit tip is well seated in workpiece.
2. Pay special care when drilling tiles. Hammer drilling can damage the tile! Use special
tile drill bit with drill mode without hammer function to drill through the tile first! Then
switch to hammer drilling mode for the brick/concrete behind the tile.
1. Check the bit and auxiliary handle status regularly before and during work, refit or replace it if
necessary.
2. Turn the mode selector to set the machine to the operation mode "Hammer drilling with
impact" and insert the stone bit into the SDS-PLUS chuck.
3. Always hold the product perpendicular to the point to be drilled. Holding it at an angle may
cause slipping or jamming of the drill bit.
4. Always place the drill tip directly on the point to be drilled first and then switch the product on.
CHISELLING
1. Check the bit and auxiliary handle status regularly before and during work, refit or replace it if
necessary.
2. Turn the mode selector to set the machine to the operation mode "Chiselling" and insert the
chisel into the SDS-PLUS chuck.
3. Choose a suitable SDS-Plus chisel for your application.
4. Use shorter chisel when a big striking power is required.
5. Mark the chiselling route when you plan to chisel slots.
6. Start near the edge and then proceed towards the inside.
CHANGING THE CHISELLING POSITION
1. Switch off the machine by releasing of On/off switch and wait until a complete stop.
2. Turn the mode selector to set the machine to the operation mode "Changing the chisel position".
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