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If water comes out of the drainage hole at the gear neck, stop your work
and have the tool repaired by an authorised service shop.
Engaging and Disengaging of the soft impact
The machine is equipped with mechanical soft impact for drilling in hard
materials, such as concrete and hard sand-lime bricks.
Concrete and reinforced concrete should only be drilled with soft impact.
This can be enabled or disabled as follows.
Diamond drill bits with an 1 ¼" UNC female thread can be screwed
directly onto the working spindle. Always use drill bits which match the
material which has to be drilled. You can prevent the machine from
damage if you only use drill bits which are balanced and not deformed.
Pay attention that diamond segments have enough relief cut towards the
drill bit body.
Drill Bit Changing
Attention!
The machine is heavy and when you use or sharpen it, it might heat
up enormously. You could burn your hands or get cut or ripped by
the segments. Before the beginning of all works on the tool you have
to disconnect the plug from the mains. Always use protective gloves
when changing the drill bit.
The drill spindle has a right-hand thread.
To hold on spindle always use a jaw wrench SW 32.
Never remove the drill bit with impacts because this way the machine will
be damaged. With some waterproof grease, which is put on the drill bit
thread, and a copper ring between spindle and drill bit you can remove
the drill bit easier.
Drill symbol on mark
- drilling without soft impact
Hammer symbol on mark
- drilling with soft impact
Drill Bits
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