DWT SBH08-26 BMC [11/56] Page 11
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DWT SBH08-26 BMC [11/56] Page 11

DWT SBH08-26 BMC [11/56] Page 11
The manufacturer reserves the possibility to introduce changes.
English
In order to make switching between the • Always use additional handle 4 when working, it will
operation modes smoother, rotate
ensure a better control of your electric tool and reduce
slightly chuck 1 (DWT PLUS) by hand.
recoil.
• At impact drilling the result does not depend on the
Stepless speed adjustment
pressing force you apply to your electric tool, which is
due to the impact mechanism design. This is why do not
Speed is controlled from 0 to maximum by
exert excessive pressure on your electric tool, as it may
pressing force of on / off switch 12. Weak
result in borer seizing and motor overload.
pressing results in low revolutions, which
• In order to decrease dust production when drilling
enable a smooth power tool switch-on.
holes in walls and ceilings, take actions indicated in
figure 11.
Speed selector thumbwheel
Use speed selector thumbwheel to set required
wood and metals
11
Caution: drill in the
revolutions and impact frequency. Turn speed selector
impactless drilling operation mode only.
thumbwheel 11 (with power tool on or off) to set the
desired speed and the impact frequency.
• Grease the drill bit regularly when drilling holes in
The required speed is dependent on the material and
metals (except drilling non-ferrous metals and their
can be determined with practical trials.
alloys).
When operating your power tool at a low speed for a
• When drilling hard metals, apply more force to the
long time, it has to be cooled down for 3 minutes. To do
power tool and lower the rotation speed.
it, set a maximum speed and leave your power tool to
• When drilling large diameter holes in metal, first drill a
run idle.
hole with a smaller diameter and ream it till the
necessary diameter (see. fig. 12).
Changing the rotational directions
• In order to avoid splitting of the surface at an exit point
Change the direction of rotation only after
of a drill bit when drilling holes in wood, follow the
a full stop of the motor, acting otherwise
instructions shown in figure 12.
may cause damage to the power tool.
• When drilling holes in glazed ceramic tiles, in order
to improve the drill centering accuracy and to save the
Rotation to the right (drilling, screwing in) - move the
glaze from damage, apply adhesive tape to the
rotational direction switch 10 to the right.
presumed hole center and drill after that (see fig. 13).
Caution: drill tiles in the impactless drilling
Rotation to the left (unscrewing) - move the rotational
operation mode only.
direction switch 10 to the left.
Power tool maintenance /
Safety clutch
preventive measures
The safety clutch protects the power tool against
Before carrying out any works on the power tool it
overload and damage in case of accessory sticking
must be disconnected from the mains.
during drilling.
Cleaning of the power tool
Recommendations
on the power tool operation
An indispensable condition for a safe long-term
exploitation of the power tool is to keep it clean.
Wear thick soft gloves when working to
Regularly flush the power tool with compressed air
reduce vibration impact on your body.
thought the ventilation slots 9.
11

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