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Installation of the drilling depth-limiting device (IV)
If the hammer drill is equipped with a drilling depth-limiting device, it may be installed on the additional handle.
Depending on the installation system the limiting device should be inserted into the hole in the additional handle, and once the
right position has been determined, it should be fastened with a button, handwheel or turning the additional handle.
Replacement of the drill shank
Hammer drill is equipped with a function for changing the position of the drill shank. Instead of a shank to mount the drill of SDS
Plus system, you can mount the shank for mounting the drills with roll drill shank.
To replace the shank you should placed the the ring, which is located on shank back, and pull it toward the front of the shank (IX). This
will allow the removal of the shank. The drill shank must be mounted by guiding it on the drill sleeve (X) and pushing it until the latch
catches. Make sure, the latch caught and there is no possibility of spontaneous disconnection of the drill shunk during operation.
Mounting the drill bits in the self-locking shank (XI)
You should select the drill which is appropriate for your work with roll drill bit shank. Insert the drill bit to the shank, grab the back
part of the drill shank, then, by turning the front part of the shank, mount the drill bit, so it is tightly and fi rmly fi xed in the shank.
Attention! It is not recommended to use the self locking shank for forging. The tensions, which are generated by the hammer
mechanism can lead to the destruction of the self locking shank.
PREPARATION FOR WORK
Before work may commence, it is necessary to make sure the enclosure and the cord with plug are not damaged. In case any
damage is detected, it is prohibited to continue working!
Attention! All actions consisting in replacement of the working tools (drill and cutter with the SDS Plus chuck system), installation
of guards and guides, adjustments etc. must be carried out when the power supply voltage is disconnected: Remove the plug of
the cord of the tool from the mains socket!
Installation of SDS Plus working tools in the tool chuck
Clean the selected tool of dirt and rust and lubricate The SDS Plus chuck with a thin layer of grease.
Tool the tool chuck towards you and maintain it in this position (V).
Insert a clean tool in the opening. If necessary, turn the tool, so that it enters the chuck without resistance.
Release the chuck; the tool should lock automatically in the chuck.
Make sure the tool is securely installed, trying to remove it from the SDS-Plus chuck. If the drill or the cutter can be removed from
the chuck, the installation procedure must be repeated.
Adjustments of rotation
It is possible to realise adjustments of the rotating speed through the pressure on the electric switch. The maximum rotation is
reached when the switch is completely pressed down. A modifi cation of the speed implies a modifi cation to the frequency of the
hammer action and the energy of a single impact. Continuous adjustments are possible within the range indicated in the table.
Setting the direction of the rotation (VII)
Set the rotation switch in accordance with the arrows; right rotation – the arrow pointing to the front of the tool, left rotation – the
arrow pointing to the back of the tool.
Attention! The direction of the rotation of the tool may be changed only if the power supply voltage is off !
Selection of kind of operation (VI)
The hammer action operation facilitates drilling in concrete, walls and hard ceramic materials (hard bricks, stones, marble). The
hammer action selector must be set to hammer action indicated with a symbol of a drill and a hammer.
While drilling in other materials, the hammer action function must be deactivated, setting the selector to the drill symbol.
It is also possible to set the hammering function. In this mode rotation is stopped, but the hammer action is still on.
In order to do so, set the operating mode selector to the hammer symbol.
Preparation
Select adequate tools and install them in the chuck.
Set the operating mode selector to the adequate position: hammer symbol – hammering; hammer and drill symbol – drilling with ham-
mer action; drill symbol – drilling without hammer action; hammer with an arrow – setting the position of the position of the chisel.
Wear hearing and eyes protection, and protective gloves.
Plug the cord to the mains.
Adapt a position that guarantees equilibrium, grab the hammer drill with both hands and start it pressing the electric switch (VIII).
Hold the tool for a couple of minutes, so that the lubricant reaches all the elements of the drive mechanism.
Turn the hammer drill off , releasing the switch.
O R I G I N A L
I N S T R U C T I O N S
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